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This is a healthcare, not a healthcure, website. It's
about all the things you can do to keep yourself and your community healthy. We will
try to combine common sense with current authoritative data.
This is how you stay healthy, not how you get healthy.
Some of it is about what you do (get thin, stop smoking, consume vegetables, run for
20 minutes). But a lot is what we must do to our politicians (beef up disease
prevention centers, cut water and air pollution, use airwaves for a host of public health
information to enable our citizenry, target dollars at bigest disease conditions, expand
charters of lower-rank and lower-paid health professionals).
219. -new- Hospital Towns
“What happens when a clinic takes over a metropolis?” (Economist, February 23, 2008, p.44). “A select few cities have entered the era of the mega-hospital. The most dramatic are Rochester, a medium-sized city where Mayo has long been a star business, and Cleveland, Ohio, a rustbelt city that has seen its hospitals boom and one, the Cleveland Clinic, become a new economic force. Each hospital is a behemoth: Mayo’s revenues in 2006 totalled $6.3 billion, Cleveland’s $4.4 billion.” “The Cleveland Clinic is America’s best heart hospital; Mayo tops the rankings for neurology, digestive disorders and endocrinology.” Their systems are huge, and their main campuses are larger than the Pentagon. “Cleveland’s 37,350 employees make it Ohio’s second-largest private employer in 2006, after Wal-Mart. Mayo is Minnesota’s biggest private employer.” Both have become big destinations for health tourists. Both have branched out in various ways to other locales, expanding their revenues. However, this article really does not evaluate what happens to the community when it is host to a health colossus. We do not even know if it has a positive, neutral, or negative effect on the city’s health. (7/30/08)
218. Cortisol and Chronic Fatigue Syndrome
“The researchers, writing online in The Journal of Clinical Endocrinology and Metabolism, said the low levels of the hormone, cortisol, might play a role in the severe fatigue found in many patients with the syndrome” (New York Times, January 29, 2008, p. D6). “We were surprised that the effect was limited to women,” Dr. Reeves said in an email message, “and this may help to explain the higher prevalence of C.F.S. in women.” We suspect the cortisol variation is a symptom of the disease condition, rather than a causative factor. Nonetheless, it is still heartening to get any faint hint as to what goes on with this elusive disease. See “Attenuated Morning Salivary Cortisol Concentrations in a Population-based Study of Persons with Chronic Fatigue Syndrome and Well Controls” (JCEM, December 26, 2007). (4/16/08)
217. Garlic's Magic Gas
Garlic, it seems, stimulates the body’s generation of hydrogen sulfide—and that turns out to be a good thing. See “Unlocking the Benefits of Garlic, “ New York Times, October 15, 2007. “In the latest study, performed at the University of Alabama at Birmingham, researchers extracted juice from supermarket garlic and added small amounts to human red blood cells. The cells immediately began emitting hydrogen sulfide, the scientists found. The power to boost hydrogen sulfide production may help explain why a garlic-rich diet appears to protect against various cancers, including breast, prostate and colon cancer, say the study authors. Higher hydrogen sulfide might also protect the heart, according to other experts.” As it turns out, one needs to eat 5 to 8 cloves a day to get a bang. Further, one should let the garlic sit 15 minutes after crushing, before using it in cooking. (4/2/08)
216. Blood Pressure: Containing the Gorge
Another instance where we don’t know which is the chicken and which is the egg. People with lower blood pressure are happier, and visa versa, but who knows what causes what. “Researchers at the University of Warwick have found a direct connection between a nation’s overall happiness and its citizens’ blood pressure problems. Sweden, Denmark and the UK come top of this blood pressure based happiness league while Germany, Portugal and Finland come bottom.” “Happy countries have fewer blood-pressure problems. Mental health in each country, they show, is also inversely correlated with its rate of hypertension. The study ranks countries in this order: Sweden, Denmark, UK, Netherlands, Ireland, France, Luxembourg, Spain, Greece, Italy, Belgium, Austria, Finland, Germany, Portugal” (Press Release, University of Warwick, 18 Feb. 2007). (1/30/08)
215. Dutch Health Insurance
The Dutch have come up with a scheme where everybody gets health insurance, but private health insurance carriers provide the coverage. See “In Holland, Some See New Model for U.S. Health-Care System,” Wall Street Journal, September 6, 2007, pp. A1 and A14. “Since a new system took effect here last year, cost growth is projected to fall this year to abot 3% after inflation from 4.5% in 2006. Waiting lists are shrinking, and private health insurers are coming up with innovative ways to care for the sick.” Everybody gets health insurance; insurers must accept everybody who applied; the government provides aid to those who cannot afford premiums through a tax on the rich. Menzi’s has opened primary care centers of its own to lower costs; UVIT gives discount vouchers to those using low cholesterol dairy products and offers other incentives for consumers leading healthy lives. This is along the lines of Alain Enthoven’s managed competition. The government also provides ‘risk equalization’ payments to companies for taking on the elderly and chronic patients with certain conditions. The changeover has apparently gone rather smoothly with premiums lower than predicted. Generic drug prices have also come down due to negotiations by the government. The insurers, however, have had some profit difficulties, and it remains to be seen whether they can get hospitals to cut costs to help shrink their burden.
As in many things, healthcare innovation appears to be taking place outside the main developed nations (U.S., Germany, Japan, etc.). We have previously pointed to Finland as the country that has shown the most dramatic gains from activist public health measures. (11/28/07)
214. Super Testing
Akonni Biosystems in Maryland is working on a gadget that will test for everything on the cheap. It will look for every kind of infection, and it won’t cost an arm and a leg as does the present battery of tests for diseases. “Daitch calls his tool TruDiagnosis. It combines advances in microfluidics (miniaturized pumps and channels), microarrays (micron-sized sensors affixed to a chip), and engineering into what could be the ultimate medical gadget: a handheld device that, using a small sample of blood or spit, reveals in mere minutes every pathogen inside the body. It would work in hospitals, in labs, in the field, perhaps even in homes. TruDiagnosis is Akonni’s twist on so-called molecular diagnostics, the promising discipline that detects the presence of a bacteria or virus when only a few molecules of DNA, protein, or other biomarkers are present.” “Akonni … is going low-cost, high-volume. The TruDiagnosis system has two parts: the credit card sized array, which can be tailored to detect combinations of diseases or strains of a particular disease, and the device that processes and reads the array.”
“Right now, Akonni’s reader is about the size of a Nintendo Wii console. Daitch is producing a prototype for a handheld device that looks very much like an iPod. But making it work is a challenge more worthy of the iPhone—cramming three functions onto one tidy package” (Wired, July 24, 2007). (11/14/07)
213. Mainstream Botanical Drugs?
The FDA, for the first time, is looking at botanical drugs in a serious way. “Some 250 botanical drugs have … been cleared to proceed to clinical trials. See “Dueling Therapies: Is a shotgun better than a silver bullet?” Wall Street Journal, March 2, 2007, p. B1. On the Global Province we include an essay from one noted researcher—“A Third Arm for the First World”—suggesting to the FDA that botanical alternatives be included in all drug trials, since the vast majority of manufactured drugs show such an array of side effects. At least the FDA has opened the door to useful botanical trials.
By and large, the results with botanicals have been spotty. “One company that is aiming to beat the odds is Phynova, a small British drug-research concern that has the green light from the FDA to test a hepatitis botanical drug. The drug is a combination of four different plants: the roots of the astragalus and the Chinese salvia plants, the fruit of the schisandra plant, and milk thistle. The hope is that they will all work synergistically to combat the symptoms of chronic hepatitis.” We had a doctor in the Far East look over the ingredients; he replies: “Good combo, probably with the latter two ingredients best.” (10/31/07)
212. Counter
“Sicko”
“Average lifespan has increased 30 years over the past century—mostly due to
commercially developed vaccines,” says Paul Offit, chief of infectious
diseases at Children’s Hospital in Philadelphia (“Sick Propaganda,” Wall
Street Journal, July 13, 2007, p. A13). Nine vaccines—“which save about
eight million lives a year”—were made by
Maurice Hilleman of Merck. Offit is right about vaccines, of course,
which he uses to put down Michael Moore’s Sicko, which castigates the
pharmaceuticals. Unfortunately it’s a false argument. The pharmaceuticals
and the healthcare system are peddling treatments galore that are useless or
worse, with responsible estimates suggesting that 1/3 of healthcare
procedures simply should not be done. As Moore makes clear, this is wasteful
and horribly expensive. Vaccines and preventive care, which the hopeless
Moore does not dwell on, must become the order of the day. (9/19/07)
211.
Training Rural Doctors
“Now, a company called Haoyisheng.com Inc. … has set up outlets in remote
villages and small cities like Mile (pronounced Meel-eh), where local
doctors attend video classes in essential matters of diagnosis and care. So
far, Haoyisheng.com has outfitted 6,000 classrooms in eight provinces, with
the blessing of the Chinese government, which has brought in more than
120,000 doctors to educate” (Wall Street Journal, July 10, 2007, p.
B1). Local doctors see videos that deal with the kind of clinical
situations that are expected to crop up regularly. Distance learning
courses such as these are cheap and practical, but the trainees do suffer
from lack of one-on-one contact with a medical professional.
“In Mile, the
fee for three years of classes is 3,400 yuan (about $448), plus 400 yuan for
books. Haoyisheng receives about 1,200 yuan per student from the
government. The company, which has training programs in urban areas as well
as short-term courses on topics such as emergency medicine, says it had a
profit of $1 million last year on revenue of $9 million.” (9/12/07)
210.
Blood Pressure Vaccine? Brain Pressure?
There are reports of a new blood-pressure vaccine “based on a protein found
in the sea creature the limpet. The new vaccine consists of a course of
three injections followed by a booster every six months; the vaccine attacks
a hormone called angiotensin which is produced by the liver and is the main
culprit in raising blood pressure.” (Pharmaceutical News, 15 May
2007). Developed by a firm called Protherics,
there are already many questions about its efficacy. A Swiss firm,
Cytos
Biotechnology,
is also reported to be developing a similar product.
Interestingly, variant theories are now appearing as to
what causes high blood pressure. Some UK scientists trace it to the brain,
instead of the heart or blood vessels. We suspect this will produce
entirely new treatments that will affect other parts of the causal chain.
The University of Bristol,
which is spawning much innovative research reports:
Professor Julian Paton and his
colleagues Hidefumi Waki and Sergey Kasparov, have discovered a new protein,
JAM-1 (junctional adhesion molecule-1), which is located in the walls of
blood vessels in the brain.
JAM-1 traps white blood cells
called leukocytes which, once trapped, can cause inflammation and may
obstruct blood flow, resulting in poor oxygen supply to the brain. This has
led to the novel idea that high blood pressure—hypertension—is an
inflammatory vascular disease of the brain.
An article
about this hypothesis appears in the June 2007 issue of
Hypertension.
(8/22/07)
209.
Try a Little Tenderness
The doctors have all sorts of wretched, leech sucking ways to make you think
you are getting better. If it does not hurt, it must not be doing you any
good. One of the mouthwash companies once improved the flavor of its brand,
and sales went into the tank. People figured that if it tasted good, it
must not be going you any good. So the brand managers made sure, once
again, that it tasted awful. Now imagine our substitute for
antibiotics—honey. How, some will ask, could honey be good for what ails
you?
Honey was commonly used in
medicine before antibiotics became widespread. It is still used in the
Antipodes; an Australian company makes a product called Medihoney for
medicinal use. This formulation is a certified medicine in Europe, but has
not been much used there because doctors developed a taste for prescribing
conventional antibiotics.
Research in Australia and New
Zealand suggests that honey heals because it attacks bacteria in several
different ways at once. Because honey is composed of saturated sugars, it
sucks up water, depriving bacteria of the liquid they need to survive and
multiply. As bees make honey they secrete glucoseoxidase, an enzyme that
releases the bleach hydrogen peroxide when it comes into contact with wound
liquids. The low-level but frequent release of this chemical ensures regular
anti-bacterial washes of the wound. (Economist, 26 April 1007)
Importantly,
honey seems to work against some of the deadly germs that are resistant to
antibiotics and that one finds in hospitals. (8/8/07)
Update: Honey for Coughs
Every time we turn around we discover new uncanny applications for honey that touches on a variety of complaints. The Penn State College of Medicine has discovered that it is a good thing to stem children’s uncontrollable coughing, better in fact than many standard cough medicines. “The study found that a small dose of buckwheat honey given before bedtime provided better relief of nighttime cough and sleep difficulty in children than no treatment or dextromethorphan (DM), a cough suppressant found in many over-the-counter cold medications.” See “Effect of Honey, Dextromethorphan, and No Treatment on Nocturnal Cough and Sleep Quality for Coughing Children and Their Parents,” Archives of Pediatric and Adolescent Medicine, December 2007. (4/30/08)
208.
Britain
Health Productivity Reforms
The Labor government is trying to get its arms around National Healthcare
Costs and Quality. First off, it is paying its hospitals in a different
way. Before they got block grants based on previous budgets. Now they get
paid by transaction, and the hope is that they will do more for their
money. But, too, there is a counterbalance to make sure they are not doing
lots of unnecessary procedures. That is, the status of General
Practitioners has risen, and they will be gatekeepers with a budget who pass
on whether patients really need this or that treatment. See the
Economist, March 3, 2007, p.58. It’s the latter problem that
particularly affects America, where it is estimated that perhaps 1/3 of the
medical procedures that are rendered are rather unnecessary. We’re doing a
whole mess of medicine that does not help the patient, and often hurts.
(8/1/07)
207.
Looking into Eyeglasses
Eyeglasses—and optometry—add up to one of the greatest scams in the
healthcare systems with gullible consumers paying $200 or more for a pair of
spectacles. Simple glasses should cost you $5, or $10 at the worst. Sam’s,
Wal-Mart’s warehouse discount unit, once charged you $20 or so for 12 pairs,
back before it got so heavily in the jewelry and eyeglass business—and they
had good frames to boot. Now the average drugstore sells off-the-rack
glasses with shoddy frames for $15 a pair. The New York Times, May
5, 2007, has done a credible job of looking at the problem in
“Do-It-Yourself Eyeglass Shopping on the Internet.” What it comes down to
is that you can find some wares on the Internet at better, if not fair,
prices, though it is still a fragmented, over-priced mess. “But a frame
that costs less than $25 to make in Italy can retail for at least $150 at an
optical shop in the United States.” Zenni
Optical does seem to offer good bargains using China frames. Glassy
Eyes reviews various vendors—and tries to cut through the eyeglass scam.
“Although the frames carry fat profit margins, the real money for the
retailer is in the lenses. There the markup can be three to seven times the
wholesale price. Most single-vision lenses—those that are not bifocals or
the ‘progressive lenses,’ which are bifocals without the line—are precast in
large quantities and can cost about $1 to make. The eyeglass dispenser just
picks them out of a tray.”
The Times
does bring out of the closet one vital piece of information your optometrist
may not share with you. “The one crucial piece of data most consumers are
probably missing is the pupillary distance, which is how close the eyes are
to each other. That remains fairly constant in adulthood, but it varies
from one person to the next.” “Any eye doctor or optician can provide the
number. It is against the law for an eye doctor to refuse to give you a
copy of your prescription. In most states, they are under no obligation to
provide the “P.D.” Some doctors, especially those selling the eyeglasses,
may refuse because they know that with that number you can shop elsewhere.
Just insist on it.” Insist on it. (7/25/07)
206.
Stroke
Watch
“As of today, the Society for Vascular Surgery … is for the first time
recommending these three tests to screen for artery disease in many people
55 years old and over” (Wall Street Journal, April 17, 2007, p. D2).
They are: a carotid ultrasound to find fatty plaque in neck arteries;
ankle-brachial test to get at plaque in the legs and throughout the body;
and abdominal ultrasounds to see if the aorta has a bulge or aneurysm. Some
free offerings can be found at
www.vascularweb.org. A high percentage of the nation’s strokes are
attributed to carotid blockages. (7/18/06)
205.
Coenzyme
Q10
“Companies that sell Coenzyme Q10 say daily doses improve heart function and
increase energy levels. Scientific evidence on Coenzyme Q10 is mixed, and
physicians urge patients not to stop taking conventional drugs” (Wall
Street Journal, March 27, 2007, p. D2). Scientists are clearly mixed
about it, though they generally seem to agree that it offers no harmful side
effects. There has been an issue as to quality—with samples sometimes not
including intense enough quantities of the supplement. Then too, one must
test to find products with high enough absorption rates. “For effective
therapy in patients with heart failure,” one is apparently striving “for 2.5
to 3.5 micrograms of the coenzyme for every milliliter of blood,” compared
with the normal .8 customarily found before treatment. Advocates think it
adds energy to parts of the body where high energy is required. A
wider range of applications is suggested in some articles. While the
WSJ urges readers not to discontinue other heart medications when using
it, some researchers suspect that statins, beta blockers, and blood pressure
drugs may cut its efficacy. (7/11/07)
204.
Happiness
Is Very Low Key
“Mental health and blood pressure are a better guide to happiness in Europe
than economic performance.” A study of 16 countries found that people who
regarded themselves as happy had lower blood pressure. “People in Sweden,
the Netherlands, Denmark, the UK and Ireland had the fewest blood pressure
problems, while those in Portugal, Germany, Italy and Finland were among
those with the most” (Financial Times, March 3-4, 2007, p. 2). “It
is now well established that people in richer countries tend to be happier,”
but high economic growth rates do not necessarily correlate with happiness.
Economists studying happiness have had mixed success uncovering what kinds
of things produce people with a high sense of wellbeing. (5/30/07)
203.
Doctors Who
Write
Abigal Zuger, a doctor herself, has written a very thin article about
“Doctors Who Wield the Pen to Heal the Profession,” New York Times,
May 15, 2007, p. D6. First off, we find that doctors who write are mainly
healing themselves, sensitive individuals who actually have some guilt and
remorse for the fact that they are made of mortal clay and have committed
some grievous errors along the way as they have plied their trade. It is
not altogether certain that their writing, inspired as it is, really does
much to change the profession, which has structural flaws that are so deep
that they will not submit to the limited analysis of medical practitioners.
She particularly mentions two New Yorker writers, Atul Gawande and
Jerome Groopman, both best-selling stars of the moment, who are part of the
Harvard Medical/Mass General orbit. Gawande has written convincingly about
the venalities of the trade where habit and avarice affect performance. Groopman
has touched on many of the habits and mental shortcuts that lead to poor
diagnosis, something that even led to poor treatment for him. One wishes
that Zuger had dealt with the raft of other fine medical writers such as
Lewis Thomas of Memorial Sloane Kettering,
Richard Selzer of Yale, and the incomparable
Oliver Sacks—each of whom is endowed with a special esthetic sense that
takes their writing to a higher plane. Consistently, incidentally, the best
writing in the New Yorker is about a health, probably indicating that
both its editors and readers are a bunch of hypochondriacs. Henry Finder,
its editorial director, is a card-carrying health writer. (5/23/07)
202.
Anti-mottainai
Mottanai means ‘what a waste,’ and, more than ever, the Japanese are eager
to waste not. “Fruits and vegetables that are rejected for sale because
they are irregularly shaped or bruised are often thrown away. Now, however,
these otherwise perfectly good foods are being used in purée form under the
brand name Nepurée.” See Trends in Japan, February 5, 2007.
“Nepurée products are made from fruit or vegetables that have been subjected
to intense heat for a short time and then made into puree form using
centripetal force. The application of heat brings out the sweetness that
fruits and vegetables naturally contain, and because no cutting instruments
are used, the nutritional elements are undamaged at the cellular level. The
manufacturer Vegetech Co. and its partner Kanto Orto Co. released products
last year bearing the message ‘the new shape of vegetables.’” (4/4/07)
201.
Tips Before You Go to the Hospital
“If your ailment doesn’t kill you, the hospital will.” As we said in
“Hyper-Germs and the Power of Soap,” hospital infections have gotten
much more deadly and claim a considerable number of lives. The
AARP gives some good suggestions on things you personally can do to
guard against infection:
-
Wash your hands frequently. And don’t be shy about
reminding doctors, nurses and aides to wash theirs.
-
People who smoke or are overweight are more
susceptible to infection, so try to quit and lose before surgery.
-
Wash with 4 percent chlorhexidine antibiotic soap
for several days before surgery.
-
Ask your doctor for a nasal swab test for MRSA.
-
Be sure the doctor prescribes an antibiotic for you
before surgery.
-
Don’t allow the doctor to shave the surgical
site—tiny cuts from the razor can get infected. Use hair clippers.
-
Ask friends and family to stay away if they’re ill,
and ask the doctor to limit the number of aides and medical students in
your room.
-
Call a
nurse promptly if IVs or catheters become loose or damaged; the sites
should be kept clean and dry. (3/21/07)
200. China—Drugs, Hospitals, Tests, Fancy Procedures
The broken healthcare system in China—a great worry for the political
leadership—exposes even more dramatically the conflict between the
incentives built into the healthcare system and cost effective, health
effective healthcare. This is the same tension we discussed previously in
respect to Virgina Mason Hospital in Seattle. See “In China, Prevention
Pits Doctor Against System,” Wall Street Journal, January 16, 2007,
pp.A1 and A18. The Chinese have lost the safety net offered in more
doctrinaire times of public services and healthcare: now citizens must pay
stiff fees without the aid of healthcare insurance. Doctors and hospitals
are rewarded for procedures and prescriptions, so large chunks of
unaffordable, expensive healthcare are inflicted on patients without
particular regard to outcome or cost effectiveness. The WSJ
discusses Dr.Hu Weimin of Loudi, who offers sensible preventive care
measures and low-cost prescriptions to a burgeoning population of patients.
He has been ostracized and even beaten by doctors and barred from the wards
of Loudi General Hospital because he has cut into their revenues. “Academic
studies show that 50% of all Chinese health-care spending is for drugs.”
Some 63.8% of medical expenditures in China are paid privately, 87.6% coming
out of the pockets of individuals—higher even than the U.S. “With his Web
site, he manages some 7,000 patients and runs a high-blood-pressure support
group with 50,000 members…” (3/14/07)
199.
Getting Hospitals off Drugs
One of
the impediments to health care reform is that the system incentivizes
doctors and hospitals to spend money on the unnecessary—and does not reward
them for frugality. In “A Novel Plan Helps Hospital Wean Itself Off Pricey
Tests,” Wall Street Journal, January 12, 2007, p. A1, we learn how
Virginia Mason Medical Center in Seattle has taken some halting steps to get
off the tests, procedures, drugs bandwagon. “A novel solution, crafted with
the help of the big employers, ultimately let Virginia Mason share in some
of the savings it created—by paying the medical center more for some cheaper
treatments. It offers a lesson in dealing with one of the most confounding
elements in America’s health-care crisis: a perverse system of payments that
rewards doctors and hospitals not for how well they treat patients, but for
how much they treat them.” “Virginia Mason's move is a gamble. Only
Aetna, which accounts for 10% of the medical center’s business, has adjusted
fees to reward its more efficient care. Seattle’s two biggest health
insurers, Regence Blue Shield and Premera Blue Cross, haven’t matched the
move so far. Medicare, despite its own experiments, doesn’t have the
flexibility to change its payments for one hospital—and it accounts for a
third of Virginia Mason’s business. Virginia Mason, a not-for-profit that
is satisfied with an annual 1% to 3% operating margin, still hasn’t replaced
all its lost revenue.” “The medical center has pursued efficiency by
adopting some assembly-line methods of Toyota Motor Corp. and Hitachi Ltd.,
which hospital officials and doctors observed on a visit to Japan in 2002.
For instance, Virginia Mason rerouted patient traffic in its cancer center,
cutting the time patients had to wait for chemotherapy from four hours to 90
minutes.” (2/28/07)
198.
Cholesterol and Diet? Maybe
When
one does comparative analyses of heart disease incidence in various nations,
one can often find comparable disease rates in nations with quite disparate
fat intake rates. Namely, there are all sorts of anomalies that suggest
that the simplistic cholesterol studies by which American doctors set their
compass and which drives the vast dispensation and usage of Lipitor and its
statin cousins may not hold water. Also more data on the danger of statins
is coming to light which we will share in a future entry. While looking
harder at the science, we would still say cut your fats; in fact, cut most
everything except vegetables and fruits. But don’t look askance at others
who don’t share your bias. For an very amusing look at some of the ‘fat’
anomalies, take a peek at the very amusing
“The Case of the Missing Data,” which suggests that our understanding of
heart disease is still pretty primitive, in spite of all the half baked
theories that are foisted upon us. (2/14/07)
197.
Trust for America's Health
The
Trust for America’s Health is trying to put preventive health at the top
of our healthcare agenda and hopes to restore the public health system in
the United States. Its
annual study just said that we are rather unprepared for any major
emergency, be it a pandemic or a terrorist threat. Buried in its website
are rankings of all the states according to a variety of health yardsticks.
In troubled states, one will detect considerable weakness on child mortality
and on other child issues. (1/31/07)
196.
Hibernation for Humans?
Cell
biologist Mark Roth has done research on “induced metabolic hibernation, in
which he has shown that it is possible to reversibly reduce the core
temperature of mice to 10 degrees Celsius without loss of life or
neurological problems,” which, in theory, could lead to breakthroughs in the
treatment of trauma and cancer. See
“Buying Time Through Hibernation on Demand,” Fred Hutchinson Cancer
Research Center Release, April 21, 2005. For an abstract, see
“H2S induces a suspended animation-like state in mice.” It is thought
that such treatment could, for instance, save accident victims by putting
them on ice, as it were, until they can be treated at a full-scale emergency
facility. (1/24/07)
195.
Preventive Health Websites
“Web
Site Tallies Your Risk of Disease and Tells you What You Can Do About It,”
Wall Street Journal, October 31, 2006, p. D1. The site
www.yourdiseaserisk.com, created by the Harvard Center for Cancer
Prevention, provides custom, rather than generic information, to help
patients understand their health situation and the odds that they will get a
severe disease. “More important, it also spits out a tailored action plan
on ways to lower risk for health problems.” “Other Web sites offer
calculators to help users assess their risk for various health problems.”
The American Heart Association offers one at
www.americanheart.org, but it does not take into account enough
variables. The National Cancer Institute’s
www.cancer.gov/bcrisktool suffers from the same sort of problem: it does
not take enough individual variables into account. The Harvard site lets
users calculate their risk for “12 different cancers … heart disease,
stroke, diabetes and osteoporosis.” (12/27/06)
194.
Hyper-Germs and the Power of Soap
We cannot over-emphasize the importance of the rise of superbugs
immune to traditional antibiotics—a topic on everybody’s lips that is much
remarked upon in the media. The New York Times, for instance, opined
that “Concern Mounts as Bacteria Resistant to Antibiotics Disperse Widely”
(August 22, 2006). We have previously commented on
“New Classes of Antibiotics,” talking about some scientists who
are trying to develop radically different antibiotics that can do battle
with a range of pill-resistant diseases that have sprouted up. Oddly
enough, Big Pharma, puzzled by the difficulty of uncovering effective new
antibiotics, has dropped out of the fight. The infection problems are
accentuated by widespread and unnecessary use of antibiotics which leads to
the development of resistant bacterial strains but which often kills off
beneficial bacteria, especially in the human gut. Promiscuous use of
antibiotics in very young children is credited with creating higher asthma
rates, especially when used in the first year of an infant’s life. Hospital
infections, especially in America, run rampant: it is such a problem that,
by default, rural populations often live longer simply because they don’t
have access to hospitals where they would otherwise stand a good chance of
getting a life-threatening infection.
Forbes (June 19, 2006, pp.60-74) does a fine job
with the subject in an article entitled “Germ Warfare,” discussing “six
strains of killer bacteria, built for destruction and rapid reproduction and
bred in hospitals nationwide, [that] are among those that worry doctors
most.” They are: Methicillin-resistant staphylococcus (MRSA), which causes
100,000 hospital infections a year; Clostridium difficile, which causes
400,000 cases of diarrhea annually; Klebsiella pneumoniae, of which cases
are up almost 50% in five years and, when untreated, kills two-thirds of
patients; Acinetobacter baumannii, which is soil borne and heavily afflicts
soldiers in Iraq and Afghanistan; Vancomycin-resistant Enterococcus Faecium
(VRE), which is hard on those with weak immune systems and accounts for 10%
of hospital infections; and Pseudomonas aeruginosa, which accounts for 18%
of hospital-acquired pneumonia.
“100,000 Americans die of hospital -bred infections”
each year; “2 million patients get hospital infections…. This crisis costs
$30 billion a year.”
Sundry smaller companies are doing the pathfinding work
now on new antibiotics and other drugs. Stuart Levy, a Tufts infectious
disease expert, co-founded Paratek Pharmaceuticals, which is testing a
souped-up tetracycline. He is author of
The Antibiotic Paradox,
which deals with the over-use of antibiotics and the subsequent outbreak of
antibiotic-thwarting killer bugs. Roy Vagelos, retired chairman of Merck,
now heads Theravance, which crushes fragments of old drugs to make powerful
new versions. He is aiming for a new and improved vancomycin.
Old-fashioned treatments, such as silver, have shown
considerable ability to reduce infections, as we mentioned in
“Silver Standard.” As well strict observance of protocols in intensive
care units, with discipline reinforced at the highest level of a hospital,
can result in a
“95% Success Rate” in reducing infections.
The more things change, the more things stay the same:
cleanliness is still next to godliness. Simple hand-washing and other
old-fashioned hygienic measures among hospital personnel, and particularly
doctors, can cut hospital infections dramatically. “Strict
infection-control measures and prudent antibiotic use have let hospitals in
the Netherlands avoid the resistant staph strains that plague most U.S.
hospitals. Hospitals test patients to identify carriers of staph, which
‘colonizes’ the nose when it is not causing infection. In the Netherlands
at-risk patients go into isolation, and doctors who are carriers are sent
home and can’t return until they are cleared, says Margaret Vos, who heads
infection control at Erasmus University Medical Center.” Testing has
reduced infections 90% at the University of Pittsburgh Medical Center, and
other tests are at various stages. Prophylactic measures that prevent
infection are more effective, and more cost efficient, than drugs
administered after the fact.
But we cannot under estimate the difficulty of getting
professional health personnel to take hygiene seriously. Doctors are the
worst of the bunch. Not to be missed in this respect is “Selling Soap,”
New York Times Magazine, September 24, 2006, pp. 22-23. “In its 2000
report ‘To Err Is Human,’ the
Institute of Medicine estimated that anywhere from 44,000 to 98,000
Americans die each year because of hospital errors—more deaths than from
either motor-vehicle crashes or breast cancer—and that one of the leading
errors was the spread of bacterial infections.”
Cedars-Sinai in Los Angeles “needed to devise some kind
of incentive scheme that would increase compliance without alienating its
doctors. In the beginning, the administrators gently cajoled the doctors
with e-mail, faxes and posters. But none of that seemed to work. (The
hospital had enlisted a crew of nurses to surreptitiously report on the
staff’s hand-washing.) ‘Then we started a campaign that really took
the word to the physicians where they live, which is on the wards,’ Silka
recalls. ‘And, most importantly, in the physicians’ parking lot, which in
L.A. is a big deal.’”
“When the
nurse spies reported back the latest data, it was clear that the hospital’s
efforts were working—but not nearly enough. Compliance had risen to about
80 percent from 65 percent, but the Joint Commission required 90 percent
compliance.” “They pressed their palms into the plates, and Murthy sent
them to the lab to be cultured and photographed. The resulting images,
Silka says, ‘were disgusting and striking, with gobs of colonies of
bacteria.’ The administration then decided to harness the power of such
disgusting images. One photograph was made into a screen saver that
haunted every computer in Cedars-Sinai. Whatever reasons the doctors may
have had for not complying in the past, they vanished in the face of such
vivid evidence.” (11/15/06)
Update: Pre-Screening and Discipline
Handwashing can do a lot. But more complex strategies seem to be indicated in countries where super-infections are well entrenched. Apparently scorched-earth policies in the Netherlands and Scandanavia have kept in-hospital infections rates low. In England, University of Bath researcher Mark Enright notes, the rates are higher. Something different is required where microorganisms have gotten well entrenched inside hospitals.
All that said, prescreening of patients can make a big difference. “One strategy, long popular in some Northern European countries and gaining traction here, is to screen every patient admitted to the hospital, and isolate those who are infected. This morning’s New York Times describes a Pittsburgh VA Hospital that’s adopted mandatory testing of patients and some simple measures to cut the number of MRSA infections from about 60 per year to 17 last year.” (11/7/07)
193.
Competitive Disadvantage
In “Risk Pool,” New Yorker, August 8, 2006, Malcolm Gladwell
discovers that the dividing line between the Asian Tigers (i.e, the high
growth economies and companies of Asia) and the American and European
sluggards is dependency costs. In other words, Westerners, and particularly
Americans, are laying out huge expenditures on a company by company basis
for pensioners both for health and retirement. Too high a dependency burden
puts an unsupportable overhead cost burden on all companies, particularly
those with overcapacity—such as the car companies:
The difference is that in most countries the
government, or large groups of companies, provides pensions and health
insurance. The United States, by contrast, has over the past fifty
years followed the lead of Charlie Wilson and the bosses of Toledo and
made individual companies responsible for the care of their retirees.
It is this fact, as much as any other, that explains the current
crisis. In 1950, Charlie Wilson was wrong, and Walter Reuther was
right.
Charlie Wilson was Engine Charlie Wilson, of course,
the famed leader of GM who railed against pooled pension schemes, preferring
to things on a company by company basis. Walter Reuther was the auto union
leader who understood that both workers, companies, and the countries would
enjoy more stable growth if the burden was spread over a range of companies.
“Demographers
estimate that declines in dependency ratios are responsible for about a
third of the East Asian economic miracle of the postwar era; this is a part
of the world that, in the course of twenty-five years, saw its dependency
ratio decline thirty-five per cent. Dependency ratios may also help
answer the much-debated question of whether India or China has a brighter
economic future. Right now, China is in the midst of what Joseph Chamie,
the former director of the United Nations’ population division, calls the
‘sweet spot.’ In the nineteen-sixties, China brought down its birth rate
dramatically; those children are now grown up and in the workforce, and
there is no similarly sized class of dependents behind them. India, on the
other hand, reduced its birth rate much more slowly and has yet to hit the
sweet spot. Its best years are ahead.” (11/1/06)192.
Chilies
Fight Cancer
“Capsaicin, the chemical that makes chile peppers hot, may have the power to
destroy cancer cells” (The Week, April 7, 2006, p. 20). Cedar-Sinai
in California has discovered that it shrinks prostate tumors in mice 80%,
and, in lab tests, the spice killed 75 percent of human cancer cells. See
“Capsaicin, a component of red peppers, inhibits the growth of
androgen-independent, p. 53 mutant prostate cancer cells.” See
PubMed. (10/11/06)
191.
Microbial Fat
“It’s clear that diet and genes contribute to how fat you are. But a new
wave of scientific research suggests that for some people, there might be a
third factor—microorganisms” (“Fat Factors,” New York Times Magazine,
August 13, 2006, pp. 28-33, 52-57). “One year ago, the idea that microbes
might cause obesity gained a foothold when the Pennington Biomedical
Research Center in Louisiana created the nation’s first department of
viruses and obesithy … headed by Nikhil Dhurandhar.” Jeffrey Gordon at
Washington University in St. Louis believes obesity is related to intestinal
microorganisms. (10/4/06)
190.
Cleanliness and Antibiotics Equal Allergies
A Duke
study tentatively confirms that the too-hygenic environment children
encounter in advanced developed countries plays a significant part in the
development of allergies. The study suggests that an overly hygienic
environment could simultaneously increase the tendency to have allergic
reactions and the tendency to acquire autoimmune disease, despite the fact
that these two reactions represent two different types of immune responses.
See
“Increased IL-4 production and attenuated proliferative and pro-inflammatory
responses of splenocytes from wild-caught rats (Rattus norvegicus),”
Scandanavian Journal of Immunology and other articles. Meanwhile,
British Columbia researchers believe that asthma rates among children
continue to rise because of excessive use of antibiotics. Infants who
intake antibiotics during their first year of life are twice as likely as
other children to develop asthma. Earlier studies within the United States
have led to much the same conclusion. (9/27/06)
189.
The Genes Will Out
For the
first time, really, gene therapy seems to be getting at tumors. See the
Wall Street Journal, September 1, 2006, pp. All & A13. Such therapy had
only worked in a very small cohort—2 out of 17 patients with advanced
melanoma. Genes had previously worked for other kinds of disease
conditions, but this is the first time they have bitten into cancer. The
work was done by Dr. Steven Rosenberg of the National Cancer Institute. He
took T-Cells and a receptor from one patient, and a couple of patients then
showed “dramatic and durable regression in their tumors.” They’re still
clear a year and one half later, and none of the patients are showing side
effects from the treatment. Rosenberg and others wondered why the treatment
did not work in more patients, speculating that a weak receptor or other
technical difficulties could have limited the results. See the
National Cancer Institute. (9/20/06)
188.
Heart Tricks While You’re Waiting
A
string of recent technological developments in Japan are holding out hope
for patients awaiting heart transplants, particularly children. The goal of
the researchers involved in these developments is to improve ventricular
assist devices (VADs) by making them smaller and more functional, so that
they can be implanted into young children and others with serious heart
problems. VADs help the heart to pump blood around the body. For patients
awaiting transplants, they play a critical role, helping them to survive
until transplant surgery can be performed.
VADs come in
two basic designs, with the pump outside the patient’s body or implanted
inside the body. Current models are large, which restricts their range of
use. Patients must be confined to their beds while using them, and the VADs’
large size prevents them from being used on children and others with small
bodies.
But all that may change in the years ahead, thanks to the development of a
prototype of the world’s smallest general-use VAD. The breakthrough is the
result of joint research between Tokyo Medical and Dental University and the
Tokyo Institute of Technology.
The device’s pump, a critical component, is circular in
shape and small enough to fit into the palm of an adult’s hand. It measures
a mere 6.5 centimeters in diameter and is just 3.25 cm thick. Due to its
small size, researchers believe there is a high likelihood that the new VAD
can be used in children as young as 5 years of age for short periods of
time. Clinical testing on the new generation of VAD is planned for around
2009.
The device is
implanted into the body of a patient whose heart is extremely weak from
illness. It is then connected to their heart and sends blood around the
body through the turning of the pump’s impellers. The researchers working
on the project hope one day to develop a device that can operate even when
the user goes outdoors.
Another recently developed VAD is the result of joint research in Japan by
Sun Medical Technology Research Corp. and several universities. This device
is already in use in one patient. The patient had it implanted in an
operation in May 2005 and was released from the hospital the following
February, after recovering to the point of being able to stand up and move
around. The developers hope to have this VAD in widespread use in a few
years’ time.
Terumo Corp., Japan, a major medical equipment maker,
has completed clinical trials of its own VAD, expected to be sold in Europe
by the end of fiscal 2006 (April 2006 to March 2007).
Such promising
developments are good news for transplant patients, many of whom spend
prolonged periods waiting for their operations. This makes the VADs’ role
of supporting hearts all the more critical. (From Trends in Japan.)
(8/30/06)
187.
Online Brokers for Lab Tests
A host
of firms including MedLabUSA.com, MyMedLab.com, HealthCheckUSA,
DirectLabs.com, etc. are acting as brokers over the Internet to directly
secure consumers lab tests prescribed by doctors or simply desired by the
consumer. They have tie-ins with local labs in the area of each customer.
The savings can add up to 75% or more. Quest Diagnostics and Laboratory
Corp of America Holdings, the biggies in the lab game, have held back from
this market, since they are so tied in to physicians and hospitals. It is
anticipated that this market will grow as consumers control more and more of
their outlays in the future. See the Wall Street Journal, June 20,
2006, p. D4. (8/2/06)
186.
Checking out Prescriptions and Treatments
Consumer Reports
long has provided an online database on prescription drugs as part of a
partnership with the American Society of Health-System Pharmacists. Now it
has added in for a $9 annual fee herbs and natural medicines from the
Natural Medicines Comprehensive database of the Therapeutic Research Center
in Stockton, California, as well as its guide to medical treatments.
Conceptually this is a terribly good idea, but we must add that the quality
of these databases varies immensely, and we cannot avow that CR has
tied itself to the right partners. (7/5/06)
185.
Anthrax
Killers
Not all biological weapons are created equal. They are separated
into categories A through C, category A biological agents being the
scariest: they are easy to spread, kill effectively and call for special
actions by the pubic health system. One of these worrisome organisms is
anthrax, which has already received its fair share of media attention. But
work in Vince Fischetti’s laboratory at Rockefeller University suggests that
a newly discovered protein could be used to fight anthrax infections and
even decontaminate areas in which anthrax spores have been released.
“Anthrax
is the most efficient biowarfare agent. Its spores are stable and easy to
produce, and once someone inhales them, there is only a 48-hour window when
antibiotics can be used,” says Fischetti. “We’ve found a new protein that
could both potentially expand that treatment window and be used as a
large-scale decontaminant of anthrax spores.” Because anthrax spores are
resistant to most of the chemicals that emergency workers rely on to
sterilize contaminated areas, a solution based on the protein would be a
powerful tool for cleaning up after an anthrax attack.
All bacteria, anthrax included, have natural predators
called bacteriophage. Just as viruses infect people, bacteriophage infect
bacteria, reproduce, and then kill their host cell by bursting out to find
their next target. The bacteriophage use special proteins, called lysins,
to bore holes in the bacteria, causing them to literally explode. Fischetti
and colleagues identified one of these lysins, called PlyG, in 2004, and
showed that it could be used to help treat animals and humans infected by
anthrax. Now, they have identified a second lysin, which they have named
PlyPH, with special properties that make it not only a good therapeutic
agent, but also useful for large-scale decontamination of areas like
buildings and military equipment (News Release, Rockefeller University,
April 21, 2006).
Fischetti
hopes to combine PlyPH with a non-toxic aqueous substance developed by a
group in California that will germinate any anthrax spores it comes in
contact with. As the spores germinate, the PlyPH protein will kill them,
usually in a matter of minutes. The combined solution could be used in
buildings, on transportation equipment, on clothing, even on skin, providing
a safe, easy way to fight the spread of anthrax in the event of a mass
release. See the Journal of Bacteriology 188(7): 2711-2714 (April
2006). (6/28/06)
184.
Cholesterol Two
The first act in the drugmakers march against cholesterol was a whole
line of statin-class drugs, today led by Pfizer’s Lipitor, which that
company snapped up through an unfriendly acquisition of Warner-Lambert. Lipitor
is now ladled out at the rate of $11 billion a year, the heart doctors blind
to the possible side effects of the statin drugs. Cholesterol has been
viewed as the prime culprit in heart disease since the vaunted Framingham
study, and one only meets an occasional physician who looks at heart disease
in a more complex way.
Now we’re
talking about “A Second Bullet for Cholesterol,” Business Week,
December 5, 2005, pp.77-78. What’s up is the addition of pills to raise HDL,
or good cholesterol. Sundry products are either now being sold or about to
be marketed, such as Niaspan from Kos Pharmaceuticals (with about $400
million in sales), Acomplia from Sanofi-Aventis, a weight loss drug with HDL
cholesterol possibilities, Torcetrapib from Pfizer which is mixed with
Lipitor to provided a one-two punch cocktail, and Avant’s vaccine. (6/7/06)
183.
Close at Hand
The fine medical writer and physician Jerome Groopman raises more
than one interesting question in “Being There,” The New Yorker, April
3, 2006, pp. 34-39:
In 2003, emergency rooms in
the United States treated nearly a hundred and fourteen million people;
about one in every hundred received CPR or underwent another kind of
resuscitation procedure. Resuscitations are gruesome … and just fifteen
percent, at most, are successful.
It’s a surprise to many that the revival rate is so
low, but it only emphasizes that CPR and other procedures are best begun
well before a patient can reach a hospital. In
“Distributed Defibrillators,” we underline the great success Las Vegas
has had, simply by putting defibrillators in casinos for quick and easy
access.
Groopman goes
on to talk about a movement in medicine to close family relatives into the
emergency room to witness such crisis procedures. While this practice is
still not widespread, Groopman expects it to grow, since openness plus
patient and family involvement are becoming more and more characteristic of
modern medicine. (5/31/06)
182.
Chiles and
Cancer
A
research team at Cedars-Sinai Medical Center in California, in conjunction
with UCLA, has found that capsaicin (one of chile’s firey ingredients)
shrinks tumors some 75% in mice with prostate cancer. Phillip Koefler, the
study’s senior author, notes, in effect, that the capsaicin abets “cell
death,” a process cancer cells seek to avoid. Additionally it tends inhibit
cancer cell growth. See
Cedars-Sinai Release, March 15, 2006. See also
“Cancer Research.” And for anti-microbial aspects of spices, see
“Spice and Life.” (5/24/06
181. Smelling out Malaria
The female mosquito, carrier of malaria, “locates her human prey with
her exquisite sense of smell. She can discern human scent from 50 meters
away.” Laurence J. Zwiebel of Vanderbilt, John Carlson of Yale, and three
other research groups in Europe and Africa have joined together to see if
these blood-sucking killers can be brought low by their noses. They are
developing odor blends to lure mosquitoes into traps. See “Serial Killer,”
Yale Alumni Magazine, March-April 2006, pp.53-58. In 1986, Carlson
“established what was probably the only fruit fly olfaction lab in the
country and only the third he knows in the world.” Twenty years later,
there are more than 50. Attending a London conference on mosquito olfaction
in 1995, he learned that “10 percent of the world’s population gets” malaria
every year.
Carlson has
used fruit flies as proxies for mosquitoes in his lab experiments.
“Carlson’s daunting task was to identify the genes governing insect
olfaction.” It took him and colleagues until 1999 to identify “the first
odor receptor genes in the fruit fly.” The thought is that repellants and
attractants and other devices can be developed that play on the olfactory
genes of the mosquitoes. (5/17/06)
180. Metals Again
More
and more, we are discovering the part that metals and sundry minerals play
in inhibiting illness, and—in some instances—in provoking it. We have
discussed both arsenic and silver elsewhere. Brian DeDecker, a cell
biologist at Harvard Medical School, just has written abut the role of gold
and platinum in Nature Chemical Biology. “Noble Metals Strip
Peptides from Class II MHC Proteins,” disabling the auto-immune system and
possibly providing relief for lupus, child diabetes, and rheumatoid
arthritis. See The Economist, March 6, 2006, p. 74. “Dr. Dedecker
and his team have screened some 30,000 chemical compounds … that might
adversely affect the proteins in question … without much success.” Just
recently they tried out drugs approved for other purposes: “two … worked,
and they had a surprising element in common: platinum.” In general, not
just platinum, but the whole class of noble metals (such as palladium and
gold) worked well. Some gold-based drugs had long worked slowly against
arthritis. Now that it is understood that they curb MHC Protein, it is
thought that faster acting drugs can be devised. (4/19/06)
179. Distributed Defibrillators
“Las Vegas casino security officers have restored the heartbeats of
about 1,800 gamblers and employees in the past nine years, according to the
Clark County Fire Department.” See the Wall Street Journal, January
28-29, 2006, pp. Al & A10. Bryan Hindsoe, a George Washington University
emergency-medicine doctor and co-author of paramedic textbooks, alleges that
it’s now safer to suffer cardiac arrest in a casino than at a hospital.
“Casino security officers have become so adept” with
defibrillators “that they usually decline offers of aid from physician
bystanders.” Authoritative bodies such as the American Heart Association
are now calling for wide distribution of the devices and broader use by lay
persons.
Richard Hardman, a paramedic in the Fire Department,
pushed the idea of casino personnel having and operating defibrillators for
the stricken. He got Stan Smith, vice president of risk management at Boyd
Gaming (Stardust Casino) to cooperate.
“The state’s ‘good Samaritan law,’ giving legal
protection to bystanders who help in a medical emergency, was extended to
explicitly cover users of defibrillators, after lobbying by casinos and Mr.
Hardman.”
“The study’s survival rate astonished specialists in
emergency medicine. ‘This was groundbreaking—it showed what can be
accomplished with quick response,’ say Leonard Cobb, professor emeritus of
medicine at the University of Washington and the father of Seattle’s
paramedic program, widely hailed at the fastest- reacting big-city operation
in the country.” Now corporations, such as Proctor & Gamble, and other
institutions are laying in the defibrillators which keep falling in price.
We would
further suggest that lay people should be both allowed and trained to
implement a number of doable medical practices which can conceivably lead to
broader, faster implementation of sound medical practices at an affordable
cost. We ourselves have seen that experienced nursing personnel in
hospitals and elsewhere can often both suggest and render sensible medical
procedures that would not occur to physicians of rather narrow experience.
(3/22/06)178.
Bird Flu
Bird Flu is on the fly, and it is becoming a real worry. A case
here and a case there is cropping up—particularly in bird populations,
brought on by wild birds on the wing.
Scientists of merit are taking its moves quite
seriously, and are worried about a global pandemic. This rise in concern,
from a yellow to a red level if you will, has been brought to our attention
by Max Wallace, a healthcare and biotech entrepreneur in the Research
Triangle. We intend to give it a lot of attention—right here.
The implications are many. It’s not only a threat to
people across the globe, but it already is having business and economic
implications. Some businesses are already beginning their crisis planning,
trying to imagine how they can carry on with decimated labor forces.
“Avian-Flu Concerns Overseas” are dampening U.S. chicken exports, according
to the Wall Street Journal, March 11-12, 2006, p. A5. Several
importers, especially in Europe, are consuming less chicken, even though
proper killing knocks out the virus. “According to the World Health
Organization, the H5N1 virus has killed 97 people since 2003 in the
developing world, where people … live in much closer contact with poultry
than they do in the West.” “The wholesale price of so-called dark meat has
plunged to about 14 cents a pound in recent weeks, compared with about 41
cents a pound last summer.” Brazil plans to cut production about 15%, but
currently the U.S. production schedules calls for a marginal increase.
Mainland China, which already has rather serious, unmet
healthcare problems, is once again a source for this latest flu, and some
feel it is under-reporting its flu cases. One wonders whether world public
health bodies can do enough back channel communication with China to begin
to get at some of the sources of its ongoing virus problems—or whether
officialdom will try to stonewall this growing problem.
There are outbreaks everywhere. See “Sinister
Droppings,” The Economist, February 18, 2006, p. 51. Italy, Greece,
Austria, Germany. Official assurances notwithstanding, chicken consumption
has dropped 70%. Nigeria, a heavy poultry country, has had an outbreak,
though there are few signs so far elsewhere in Africa. Both Azerbaijan and
Iraq are worrisome spots.
Controlling bird flu is a complex problem and raises
some of the very same issues that we encounter with other kinds of
viruses—computer outbreaks, terrorism, etc. It requires intense
collaboration that is not altogether easy, since the world’s public health
system is rather broken. Clearly there is fertile ground here for the
application of network theory—a growing body of knowledge not well
understood by governments anywhere.
It is perfectly clear that national jealousies and
scientific ambitions are an impediment to dealing with the disease.
Increasingly we are discovering that the only means of rapidly dealing with
emerging threats is efficient knowledge markets. That means widely
distributed nodes (researchers) bound together by an open network as well as
the will to work together.
“WHO … runs a
database limited to a select group of scientists and containing a massive
trove of data—some 2,000 genetic sequences of the virus, around a third of
the world’s known sequences.” See the Wall Street Journal, March 13,
2006, pp. B1-B2. Ilaria Capua an Italian veterinarian working on avian
influenza just received a sample of virus from outbreak in Nigeria. Instead
of supplying her genetic data to the secretive WHO cache, she posted her
findings on the Internet in a public database. WHO, perhaps justifiably,
says the closed database is a compromise necessary to get some governments
to share the data: scientists agree not to publish results based on the data
without prior consultation. Officials and scientists from the U.S.,
Switzerland, Croatia, Slovenia, United Kingdom, Iran, and Niger have backed
her stand, and often have given her permission to make public sequences they
have supplied. Her data is stored at
GenBank, run by the National Center for Biotechnology, part of the
National Institutes of Health. (3/15/06)
Update: Tracking Avian Flu.
Airports. “The nation’s major airports aren’t prepared to quarantine a
planeload of international passengers, if someone is suspected of carrying
bird flu…” (USA Today, March 10, 2006, p.2A). Honolulu is better
prepared than airports on the mainland to spot and handle flu suspects. The
CDC is watching Hawaii to gain insight as to how to control ports and
airports in general.
Quantity Not Quality. More generally, everyone
involved with avian flu is having a hard time tracking it—including the
science, public health controls, outbreaks, dispersal of the virus, etc.
There are a host of sites—from WHO to national authorities to self-invented
experts: our team has not been able to work its way through all of them.
But we find that many have an axe to grind, from furthering national or
scientific jealousies, to expanding on particular political biases. The UN
is trying to do a good job, but as might be expected with this and other
institutions, it falls behind the information curve, as events race ahead of
its statistics. We have yet to find a group that is doing a comprehensive
job of covering avian events, much less a site where the information is
presented in an accessible form.
The media is clear that it should be watching, but does
not know how to do it. The New York Times’s Science Times (March 28,
2006, pp. D1-D8) devoted a special section to the topic. It calls Avian Flu
“The Uncertain Threat.” The title article, which is in itself indecisive
and wandering, is entitled “How Serious Is the Risk?” Dr. David Nabarro at
the UN is a worrier; Dr. Jeremy Farrar at the Hospital for Tropical Diseases
in Ho Chi Minh City, thinks a human pandemic is unlikely, having watched the
slow progress of the disease over some 3 years.
Roeder. In the absence of an authoritative and
decisive news source, we suggest that researchers track what we will call
here science entrepreneurs who are trying to manage, understand, and perhaps
offer solutions to the disease. In general the Wall Street Journal
has been better at turning up these people than other publications. See,
for instance, “After Fighting a Cattle Disease, Vet Turns to Birds,” Wall
Street Journal, March 16, 2006, which focuses on Dr. Peter Roeder, “a
60-year-old British veterinarian … who has spent decades fighting”
rinderpest in Africa and Asia, a devastating disease that has long decimated
cattle herds. “Dr. Roeder … has recently been in Indonesia, helping lead
the charge against another—the avian influenza know as H5N1, or bird flu.”
Roder knows that “mass vaccinations don’t always work as well as narrowly
targeted attacks on the disease.” “The key to rinderpest’s defeat, he says,
lay in being selective.” Bird-flu experts are beginning to flock to his
thinking: at first they had been thinking about vaccinating billions. Now
they are talking about focusing on Guangdong province which is a
particularly feisty breeding ground. At a macro level, Roder also makes a
lot of sense: the general problem in health is to learn how to leverage
scarce resources for maximum effect, so much of healthcare being stridently
wasteful.
Niman. Dr. Henry L. Niman enjoys a mixed reception in
the scientific community, but, nonetheless, he has been a successful
communicator about bird flu, leading a voluntary band of bloggists, who
collect and spread information about. See “A Bird Flu Watched Developes a
Following Through the Internet,” Wall Street Journal, March 24, 2006,
pp. B1 and B4. In his Pittsburgh home, “the 57-year-old biochemist keeps
vigil over a blog and explosion of offshoot internet discussion groups
tracking the avian flu virus….” “They believe mainstream scientists are
missing important clues about the virus’s evolution…” He now has his own
business called Recombinomics where he hopes to develop vaccines. In
general mainstream researches are skeptical about his research and flu
theories. He does think that we have moved decidedly closer to a flu
pandemic, obviously scaring his tribe of adherents. Oddly, the WSJ
did not appear to publish a link to
his website. It is helpful to peek at
WSJ’s Avian Flu Tracker, which is anecdotal but gives you a decent sense
of the evolving news.
George Mason. Curiously enough, not many comment on
the avian flu site that has been hatched by
Tyler Cowen and Silviu Dochia at George Mason University. The Masonites
are doing more than basketball.
“Avian Flu—What we need to know.” It’s literate and wanders to some
topics we do not see elsewhere. Mr. Cowen has even authored a paper on the
subject: “Avian Flu: What Should be Done,” November 2005, which is hardly
definitive, but is creative and worth quite a look (Read the full article,
not the
summary.) Mr. Cowen and Mr. Dochia are economists, and we are yet to
determine how their avian flu chronicle connects up with their specific
economic interests, which we may learn about when we read Mr. Cowen’s other
blog
“The Marginal Revolution,” which is on economics and the efforts at the
margin that can improve economies. We are pleased, incidentally, to see
that George Mason has a
flu information page available for students that touches on the
rudiments of flu and avian flu. It is not very good, but at least it
exists. (4/5/06)Update:
Indonesia Worsening
Indonesia is
soon to overtake Vietnam as the site of worst human outbreaks of Avian flu.
Forty-two people have died over the last year (New York Times, July
21, 2006, p. A10). Thailand got control of the flu by killing millions of
chickens and by Vietnam instituted mandatory vaccinations. Indonesia has
tried limited vaccinations and flock culling with limited success. (8/9/06)
Update: Bird Flu Vaccine
GlaxoSmithKline reports that it now has produced effective human
bird-flu vaccine (Wall Street Journal, July 27, 2006, p.A2). “In a
clinical trial of 400 people, two doses of Glaxo’s vaccine produced a strong
immune response against the H5N1 virus in more than 80% of the people who
received it.” These results are much better than those achieved with
vaccines of other drug companies.
Meanwhile,
slowly but surely, the bird flu threat continues to intensify (“Thailand
Alert for Bird Flue Is Expanded,” New York Times, August 6, 2006, p.
6). Officials have “put eight more provinces, including the Bangkok area,
on a bird flu watch list.” “The outbreaks in Thailand and neighboring Laos,
where bird flu was found on a farm last month, renewed fears that the
disease is flaring up again in Asia.” “Indonesia and Vietnam have each had
42 deaths, the highest number of confirmed human deaths anywhere in the
world.” (8/23/06)
Update: Microchip Flu Test
“Scientists have developed a microchip-based test that could allow more
laboratories to quickly diagnose and pinpoint the origin of flu viruses,
including the H5N1 avian-flu strain” (Wall Street Journal, August 29,
2006, p. D4). The FluChip represents a research collaboration between the
Centers for Disease Control and the University of Colorado at Boulder. It
will ostensibly be two years before “the test is commercialized” and becomes
inexpensive enough for wide laboratory use. Results were included in the
August 2006 issue of the
Journal of Clinical Microbiology. (11/29/06)
177. Arsenic for Brain Cancer
We keep traveling around in circles. Silver, an old cure for pesky
infections, is now being revived to stave off hospital infections. Once
upon a time, arsenic (in the form of salvarsan) was the only cure for
syphilis. Now it’s the hope for some intractable brain cancers. (2/22/06)
176. Silver Standard
We have always preferred silver to gold—now we can rationalize our
aesthetic choice. Silver, it turns out, has curative powers. Its use
against bacteria dates back to the ancients. “In 1884, a German doctor
named C.S.F. Crede demonstrated that putting a few drops of silver nitrate
into the eyes of babies born to women with venereal disease virtually
eliminated the high rates of blindness amongst such infants” (New York
Times, December 20, 2005, p. D5). Silver is staging a comeback, because
of bacterial resistance to many antibiotics and because scientists,
manipulating silver ions, can put together more powerful potions.
One critical
application is to deal with runaway hospital infections. There “bacterial
infections” affect 2 million a year, killing some 90,000 patients. It is
the worst problem in the hospital environment, more fatal even than mistakes
made in treatments and the like. “The latest advance for silver therapy
comes from
AcryMed … that has invented a process to deposit silver particles
averaging 10 nanometers … on medical devices” Its first customer,
I-Flow, makes a silver-coasted catheter….” (1/25/06)
175. Just
Medical Blogs
Thomas P. Stossel, American Cancer Society Professor at Harvard Business
School, has correctly urged us to take medical journals with a grain of
salt. In “Mere Magazines,” Wall Street Journal, December 30, 2005,
p. A16, he finds that they are regarded with too much reverence, in that the
research they include (a) is not subject to the rigorous detailed
examination processes that are required, for instance, in FDA reviews and
(b) is normally herd-driven—the articles that get accepted tend to tow the
party line, tracking current conventional theories in the medical field.
“Anonymous peer review by jealous competitors has its merits, but it has a
tendency to select for fashionable if relatively unoriginal and inoffensive
papers.” For this reason we should not get so exercised when editors at the
journals raise a storm about researcher ties to corporate sponsors. Plenty
of bad research creeps in with the good under present editorial guidelines,
and there is no clear indication that corporate sponsorship of researchers,
in whatever form, has created tainted research we should suspect.
However, and
Stossel does not get into this, articles in these journals are now much,
much reported on in the everyday press, even though the research and results
only add up to very tentative hypotheses. Journalists and readers should be
cautioned to take all this research with many grains of salt. We are all
too easily seduced by press reports on journal articles: research has a way
of flipflopping every few years. (1/18/06)
174. 95% Success Rate
One really has to perk up when you come across a 95% success rate. It’s
a dirty secret of hospitaldom that infections run rampant in our best
institutions and there’s a good chance you will die from them rather than
from a high-risk operation on your next visit to the operating room. But
John Hopkins has found a way around this, as we learn from Peter Kindlmann
of Yale and Lee Schulman, president of the Carnegie Foundation for the
Advancement of Teaching:
This makes thought-provoking
reading. It is about quality control in teaching, overtly here in a
hospital setting, but by implication also in an engineering program or a
company. It proposes an aggressive attitude, such as in the Johns Hopkins
program (described below) which is an aggressive drive to lower to zero the
infection rate in intensive care units. The protocols are stringent and are
working.
Early on in this new routine,
every nurse was handed two phone numbers—the home phones of the medical
school dean and the university president—and told that if a physician didn’t
follow protocol and refused to abort the procedure, they were to phone one
of these numbers, even at 3 a.m. That only happened once. The infection
rate at Johns Hopkins for that procedure is now approaching zero.
The piece concludes by asking how much engineering
education and student success in courses could be improved by similar
methods.
Faculty and teaching
institutions face many impediments, just like physicians; the conditions and
capabilities of our students are often unknown. But what if at some
universities the president was called every time a student failed? This
proposal sounds crazy, I know, but that’s just the point. We’re too
comfortable with our failures; we take them for granted. The good news is
that we can do much better. We know a great deal today about how to organize
our institutions and classrooms so that students not only stay but achieve
at high levels, and research in the cognitive sciences and other fields
provides grist for further improvements. I know we lack the resources. I
know we lack the administrative and policy support. I know that some
students we inherit are already deeply wounded. Nevertheless, we need to
ask much more of ourselves. Education is no place for modest ambitions.
Kindlmann is
abstracting the quotes from Lee Schulman’s “Immodest Proposal” which can be
found on the
Carnegie website. (12/28/05)173. Strokes—Before and After
A Simple Test. If you think a friend has had a stroke, give him or her
this simple test: Ask him to smile; ask him to raise both arms; ask him to
speak a simple sentence. If he can’t do one of the three, call 911 for
emergency help. For more on the success of this procedure, look at the
American Heart Association’s
“Just a Minute.” Or, if you prefer, look up the more complicated
list of warning signs on the American Stroke Association website, which
is a division of AHA.
Life after
Stroke. Again, the American Stroke Association provides some
boilerplate hope on how to deal with life once you have had a stroke.
But, in our opinion, you are best served to look at the sites of thinking patients who
have been through the whole experience. You will find that the sites put up
by patients and their families vary widely in quality, but will often find
the practical hints that there that answer your particular needs. Example’s
are
Joe and Jackie’s and
Stroke Survivors International. The
Stroke Information Directory provides links to a number of survivor
groups. (12/21/05)172. Blood Readers
“Researchers at Royal Philips Electronics are developing pinprick blood
sensors that can detect certain diseases within minutes. Today’s blood
screens can’t spot malaria at an early stage, when the infection is still
treatable, because the tests don’t pick up trace particles of the malaria
parasite.” The Philips tests can, and the thought is that it would have
high relevance to early detection of heart problems. It is trying to bring
this approach to market as early as 2009. See Business Week, October
24, 2005. Even more exciting, we think, is the prospect of biometric
sensing systems which would not even prick the skin to read the blood. The
speculation is that they, too, could do very sensitive readings. (12/7/05)
171. Surgery
and Cancer
Years
ago, when we could offer cancer patients little hope in many instances, we
noticed that surgery seemed to exacerbate an existing cancer and hasten the
death of patients upon whom operations had been performed. Recent studies
suggest that “removing a tumor can trigger a process that leads to new
growth” (Wall Street Journal, September 13, 2005, pp. D1 and D3).
“In a database of 1,173 breast-cancer patients treated with surgery from
1964-1980 … 520 relapsed.” “In a 2002 paper published in the journal
Lancet, colon-cancer patients who had traditional surgery had a
significantly higher rate of relapse than patients who had a minimally
invasive laparoscopic procedure.” See
http://breast-cancer-research.com/content/6/4/R372.
170. Teeth
without Pain
“Swedish
dental implant maker Nobel Biocare … received Food and Drug Administration
approval last May for Teeth in an Hour, a quick, minimally invasive
procedure for replacing several to all of a patient’s teeth.” Using Nobel
software, dentists do a CT scan of patient’s mouth to perform an analysis.
“Nobel’s Swiss factory uses these plans to make a stencil-like mouthpiece,
predrilled with tiny holes to guide the dentist through surgery. Once the
patient is in the chair, the doctor can affix a set of new chompers in about
an hour.” There are 75 dentists doing the procedure now, but Nobel expects
to quickly train more. The treatment is pricey, $2,000 to $3,000 per
implant, or some $60,000 for the whole mouth. See Forbes, September
5, 2005, p. 103 and
www.nobelbiocare.com/global/en/default.htm?langdetect=en. (10/19/05)
169. Low Cost Medical Care in India
“Mr.
Beeney’s story is becoming increasingly common as Europeans and Americans,
looking for worldclass treatments at prices a fourth or fifth of what they
would be at home, are traveling to India” (New York Times, April 7,
2005, p. C6). Also x-ray scan interpretations and lab testing is being done
at low cost in India. (9/28/05)
168. Growth
of Wound-Care Market
Kinetic
Concepts is expected to hit $1.2 billion this year, particularly because of
double digit sales of its line of vacuum-assisted wound healing devices.
Most of its wound healing technology was acquired from Wake Forest
University in 1994. Its vacuum canisters keep wounds moist as well as
sealing them to prevent infection. “Other recent products include Smith &
Nephew’s Acticoat dressings, which incorporate microscopic silver
nanoparticles from NuCryst Pharmaceutical to enhance antimicrobial
activity. Another newcomer is a device from Celleration that uses
ultrasonic energy to spray a saline mist on wounds.” Johnson and Johnson’s
Regranex is a wound care gel incorporates blood cell proteins helpful in
early stages of healing. Oculus Innovative Sciences produces a “superwater,”
chlorinated water with charged oxygen ions that it claims will rapidly kill
bacteria, spores, etc. The resultant liquid it calls Microcyn and it has
had good results in Mexico, India, and Italy. See the New York Times,
August 5, 2005, p. C3. (9/21/05)
167. Cutting Down on
Cut Ups
Business
Week
(July 18, 2005, pp. 32-35) headlined a very provocative article called “Is
Heart Surgery Worth It?” To a host of medical experts, it is not at all
clear that heart surgery isn’t vastly overdone, and many would contend it
should be done away with except in instances where the patient is clearly in
dire trouble. Norton Hadler, medical professor at UNC-Chapel Hill and author
of
Last Well Person, thinks bypass surgery in particular should have
been relegated to the junk heap a decade ago. On the other hand, Dr.
Timothy Gardner, a cardiac surgeon in Delaware and co-editor of Operative
Cardiac Surgery thinks bypasses have worked very well indeed. Heart
surgery is $100 billion industry, and so there are not only health but vast
economic questions at stake. Further, the amount of surgery done may be a
proxy for a more general problem—runaway, costly, and ineffective treatment
throughout the healthcare establishment. Both Fisher and Wennberg at
Dartmouth have long claimed that a sizable portion of healthcare is not
driven by either need or results, but rather by available supply. (9/7/05)
166. Ex-pounded
Governor
We remember
that Governor Bill, later Pres Bill, had a terrible fondness for all sorts
of junk food, constantly battled his waistline, and finally had to give
himself over to major heart surgery. Now we learn that current Governor
Mike Huckabee is battling weight in one and all. He shed 100 pounds by the
end of 2004, all recounted in his book
Quit Digging Your Grave with a Knife and Fork. See “The Governor
Who Put his State on a Diet,” New York Times, August 10, 2005, p. D2.
“His transformation led him to begin the Health Arkansas initiative … the
goal of which has been to persuade” his fellow citizens “to join him….”
Under the program, state employees “are given 30 minutes a day for
exercise.” They also get days off as a reward for healthy living. If all
this is not satisfying, one can buy Liza Ashley’s
Thirty Years at the Mansion, full of recipes she used to fatten up 7
Arkansas governors. Read about the fatty years at
www.augusthouse.com/catalog/detail.asp?bookID
=530&catID=52. (8/31/05)
165. Piecework
Boston surgeon Atul Gawande in “Piecework,” New Yorker, April 4,
2005, pp. 44-53, wrote sensitively and provocatively about doctors’
compensation and skyrocketing health costs. As he points out, physician
incomes are a fairly small part of the out-of-control health care pie, but
“we’re responsible for most of the spending.” Nonetheless, some physician
incomes are inordinately high. In surgery, where one effectively gets paid
by the operation, this leads, among other things, to an excessive numbers of
procedures. Recent articles have speculated that perhaps 90% of all heart
surgery should not be done. Responsible studies, basically using Medicare
data, out of Dartmouth show tremendous treatment variability from one
section of the country to another, with no improvement in care or mortality
in regions with higher expenditures. Researchers, as a result, believe that
as much as 1/3 of our medical expenditures are unwarranted, driven by an
excess supply of physicians and medical facilities. Perhaps a great deal of
this waste results from trade rules that allow a physician to get paid for
procedures done or hours expended—instead of for health results.
(8/31/05)
164. Prostate Bible
A prostate specialist and surgeon for 25 years,
Dr. Peter Scardino has authored a book—Dr.
Peter Scardino’s Prostate Book—that looks at cancer, prostatitis,
BPH, and everything else that can go wrong with the prostate. As The
Economist points out, the book is sorely needed. Prostate cancer, if
caught early, is curable, and yet more men die of it than any other cancer
except lung. See The Economist, April 9, 2005, p. 70. Scardino is
prostate cancer chair at Memorial Sloan-Kettering. Interestingly, Scardino
got his first degree from Yale—in religious studies.
Even with Scardino, prostate
sufferers will want to read further. One site with a great deal of
digestible information is
Phoenix5.org to include links to articles such as the famous Andrew Grove
account in Fortune (www.phoenix5.org/articles/menuarticles.html).
We cannot emphasize enough that the Phoenix site is terrific and it should
be consulted by anybody with even the vaguest interest in prostate cancer.
And here is yet another reading list:
www.seattleprostateinst.com/readinglist.htm. The sources on prostate
problems are wide and deep.
(8/31/05)
163. Arsenic
Aplenty
In our
“Ninety Degrees of Uncertainty,” we touched upon the widespread arsenic
contamination of water supplied in both the United States and abroad.
Environmental Health Perspectives, June 2005, looks broadly at the
extent of this problem and at new tools for remediation, commenting also on
the range of illnesses—cancers as well as cardiovascular and neurological
complaints—that can result from this pollution. See
Environmental
Health Perspectives. We have come such a long
ways from 1910 when Paul Ehrlich introduced salvarsan (arsenic based) for
syphilis in those days before antibiotics, a time when venereal disease
sufferers had no effective remedy for their complaints. Now arsenic itself
is the hidden scourge.
(8/3/05)
Update: Dealing with Arsenic
We have
previously talked about a world pervasive problem: drinking water that is
polluted by toxic quantities of arsenic. Wells dug some 30 years ago to
give villagers in developing countries clean water have turned out to have
goodly quantities of arsenic. The wells were a response to bacterially
afflicted surface water that led to a host of diseases (www.csmo
nitor.com/2005/0217/p14s01-sten.html). Finally in 2004 “Tommy Ngai, an
MIT graduate student, bought a round plastic bin at a street market in
Kathmandu, Nepal. He and the team filled it with layers of sand, brick
chips, gravel, and the magic ingredient—a layer of locally bought iron
nails, which chemically bind arsenic to them. The filter may just be the
MIT team's silver bullet, a combination arsenic and biological filter.
Cost: less than $16.” Of course, this solution may work out in Bangladesh,
one of the hardest hit nations, but probably won’t apply to millions of
others with somewhat different water conditions in many other nations.
There’s a million-dollar prize out for a more comprehensive solution to the
arsenic, and teams at both Harvard and Columbia are working on the problem.
(9/14/05)
162. The Ultimate
Sunscreen
“Mexoryl
SX, made by the Paris-based skin-care giant L’Oreal, is an illegal sunscreen
in this country, one that is thought to be particularly useful in preventing
wrinkles.” It is sold on the side, in any event, by some druggists on the
Upper East Side of Manhattan. “The Canadian website
feelbest.com “sells a three-ounce tube
for a little over $20,” well under what U.S. druggists peddle it for. In
particular, mexoryl blocks the full range of sun rays effectively, not only
the UVB rays to which we attribute sunburn, but the equally harmful UVA
rays. So far the FDA has approved only zinc oxide, titanium oxide, and
avobenzone (Parsol) for UVA protection. UVA rays (320 to 400 nanometers vs.
290 to 320 for UVB) have a longer wavelength. Here, we are reminded of the
problem we have had in the microwave area, where, traditionally, American
devices only offered protection for a narrow part of the spectrum, and waves
that were actually more dangerous long term were allowed free range. See
the New York Times, June 9, 2005, p. E3. (7/27/05)
161. Anti-Scar
Drug
Mark
Ferguson and Sharon O’Kane of Manchester University have formed a
well-funded, venture-backed company called Renovo to develop, test, and
market a drug they have developed called Juvista, a synthetic version of
TGFbeta3, a protein that acts to both prevent and remedy scarring. In the
1980s, Ferguson discovered “that wounds an alligator suffered as an embryo
would not result in any scarring,” due, as it turned out, to presence of
“transforming growth factor beta 3.” Now in final stage clinicals, the drug
should go to market in a few years. “Scarring of the skin affects an
estimated 42 million patients in the U.S. … Renovo has three other
anti-scarring drugs in advanced clinical trials and an additional 13 in the
pipeline.” The thought, too, is deal with internal scarring as well. See
Business Week (May 30, 2005, p. 89) and
www.renovo.com. (7/13/05)
160. Gene Tests and Coumadin Safety
Scientists
at the University of Washington in Seattle and Washington University in St.
Louis report that an understanding of the genetic makeup of patients who
require coumadin as an anti-clotting agent will eventually provide guidance
to physicians trying to establish a proper dosage for this very tricky
drug. Our conversations with conservative physicians indicate that this
would not be their drug of choice, because it is difficult to |