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Guest Blog: When Patients Demand Treatments That Won't Work
Carolyn Thomas | November 4, 2011
Carolyn Thomas is a heart attack survivor and a 2008 graduate of the annual WomenHeart Science and Leadership Symposium at Mayo Clinic in Rochester, Minnesota ' the first Canadian invited to attend this prestigious training event.' She was also named by 'Our Bodies Ourselves' of Boston in 2009 as one of 20 inductees from seven countries acknowledged as 'Women's Health Heroes' for community activism in promoting women's health.' You can read more from Carolyn on her two blogs: Heart Sisters and the Ethical Nag.
From The Ethical Nag: Marketing Ethics for the Easily Swayed:
When my son Ben came down with another killer sore throat this past summer, he went to his doctor for an antibiotics prescription. He'd suffered this condition in the past, and he knew just what would help ease his painful symptoms. Both he and the doctor agreed this sure sounded like strep, so without even having to wait for the throat swab test results for the group A Streptococcus bacteria that cause strep throat, Ben left the doctor's office with a prescription for antibiotics in hand.
But were antibiotics the appropriate treatment for Ben's painful problem?
The virtually universal recommendation for antibiotic drugs to treat strep throat ' or increasingly, sore throats of any cause ' is not actually founded on scientific evidence, but rather on a small population of employees at Wyoming's Warren Air Force Base during the 1940s.
For more than a decade, virulent strains of group A Streptococcus caused unprecedented rates of throat infections among the base trainees, and history's worst epidemic of rheumatic fever.
Dr. David Newman, in his article called Antibiotics for Strep Do More Harm than Good, picks up on this story:
'Military researchers at the base seized the moment, executing a provocative series of trials that tested the potential of antibiotics to prevent post-streptococcal rheumatic fever. Roughly 2% of the trainees given placebo in their studies developed rheumatic fever, while under 1% of trainees given antibiotics experienced the disease. For every 50-60 trainees treated with antibiotics, the researchers had successfully prevented one case of rheumatic fever. It was a small, but decisive victory. Identifying and treating 'strep throat' quickly became a staple of medical education, and little has changed since then.'
Trouble is, since the isolated Warren Air Force Base experience, in large recent studies tracking tens of thousands of strep throats in the general population (many of whom received placebos or no treatment at all) there hasn't been a case of rheumatic fever reported in a study for nearly 50 years. And when the incidence dropped to less than one per million in 1994, the Centers for Disease Control and Prevention stopped even tracking rheumatic fever entirely.
Dr. George Lundberg, MedPage Today's Editor-at-Large, also wonders why antibiotics for strep throat became and remain the 'standard of practice' to prevent rheumatic fever. Indeed, most major hospital-based medical websites still recommend antibiotic therapy for strep throat infections in order to prevent rheumatic fever.
Dr. Lundberg observes that the length of time a person with sore throat is symptomatic prior to recovery is four to seven days, whether or not strep is found and regardless of whether antibiotics are used. Dr. Lundberg warns:
'One million prescriptions for antibiotics for sore throat may prevent one case of rheumatic fever. But they may cause 2,400 cases of significant allergic reactions up to and including anaphylaxis, 50,000 to 100,000 cases of diarrhea, and some 100,000 cases of skin rash.'
Dr. Ed Pullen of Puyallup, Washington supports this caution when prescribing antibiotics' with the example of another common bacterial infection: acute sinusitis.' He writes:
'There is a lot of evidence suggesting that acute sinusitis of less than 10 days duration usually resolves without antibiotic therapy in about the same number of days and with about the same severity of symptoms as with antibiotic therapy.' The outcome of an episode of acute sinusitis that has not been present long is therefore about the same with or without antibiotic therapy.
'But antibiotic therapy itself can lead to significant morbidity, both the individual treated and to the larger community.' Complications like' antibiotic resistance and C. difficile-related pseudomembranous colitis is becoming more common. With essentially every antibiotic from amoxicillin to Levaquin, side effects are very common.
'So physicians face the challenge of convincing patients who have been treated for their sinusitis with antibiotics for years and usually get well within days of treatment (as they would usually without treatment) that they are better treated with saline nasal rinse, analgesics and tincture-of-time.'
Rampant antibiotic use is very good news for pharmaceutical companies who manufacture and distribute these prescription drugs. Annual sales of antibiotic medications in North America in all settings last year exceeded $11 billion. But we do know that U.S. states with active appropriate antibiotic use campaigns (e.g. Get Smart: Know When Antibiotics Work) do have lower prescribing rates. And here in British Columbia, our Do Bugs Need Drugs? Campaign resulted in a reported drop of 18% in the overall number of antibiotics prescribed to children under the age of 14 since the program started in 2005. (See more in this 2010 Do Bugs Need Drugs?' Evaluation Summary).
In a New York Times piece called Believing in Treatments That Don't Work, Tara Parker-Pope listed other examples of ailments for which we patients often expect and demand medical interventions that are not actually evidence-based:
- Recent press reports detailing the dangers of cough syrup for children have noted that cough syrup doesn't work. True: no cough remedies have ever been proven better than a placebo, either for adults or children. Yet their use is common.
- Patients with ear infections are more likely to be harmed by antibiotics than helped. While the pills may cause a small decrease in symptoms (for which ear drops work better), the infections typically recede within days regardless of treatment. Unnecessary antibiotics are still given to more than one in seven North Americans each year for these conditions alone, at a cost of more than $2 billion and tens of thousands of serious adverse medication effects requiring treatment.
- Back surgeries to relieve pain are, in the majority of cases, no better than non-surgical treatment. Yet doctors perform 600,000 of these surgeries each year, at a cost of over $20 billion.
- More than a half million North Americans per year undergo arthroscopic surgery to correct osteoarthritis of the knee, at a cost of $3 billion. Despite this, studies show the surgery to be no better than sham knee surgery, in which surgeons 'pretend' to do surgery while the patient is under light anesthesia. It is also no better than much cheaper, and much less invasive, physical therapy.
And The Times recently ran this observation from Florida sports medicine orthopedist Dr. James Andrews, who is taking a stand against what he sees as the vast overuse of magnetic resonance imaging (MRI) in his surgical specialty:
'When a healthy runner goes for a jog, she'll have evidence of 'abnormal' fluid noted in her knee capsule on an MRI scan immediately afterward. But there is no injury. And if you want an excuse to operate on a pitcher's throwing shoulder, just get an MRI.'
Historically, we know that in the mid-nineteenth century, medical treatment by doctors actually fell out of fashion, explains Dr. Melvin Konner in his book, Becoming a Doctor: A Journey of Initiation in Medical School. The great illumination from this medical revolution was the news that there were many diseases that were essentially self-limited. Dr. Konner writes:
'They would run their predictable course, if left to run that course without meddling, and, once run, they would come to an end and certain patients would recover by themselves.
'Typhoid fever, for example, although an extremely dangerous and potentially fatal illness, would last for five or six weeks of fever and debilitation, but at the end about 70% of the patients would get well again.
'Lobar pneumonia would run for 10-14 days and then, in previously healthy patients, the famous 'crisis' would take place and the patients would recover overnight.
'Patients with the frightening manifestations of delirium tremens only needed to be confined to a dark room for a few days, and then were ready to come out into the world and drink again. Some were doomed at the outset, of course, but not all. The new lesson was that treating them made the outcome worse rather than better.'
In modern times, the current fashion is trending towards what's known as evidence-based medicine, what British Columbia physician and author Dr. Kevin Patterson describes as asserting the supremacy of data over authority and tradition:
'You can't kick over a bedpan without hearing the phrase 'evidence-based medicine'' rattle out.
'But the problem is that if it makes sense that a treatment will work ' or if one stands to make money if a treatment works ' then a doctor will, with alarming and disheartening reliability, perceive that it does in fact work."
But in our current chicken-or-egg dilemma, which comes first?
Is it the medical profession's unquestioning embrace of a particular (and often profitable) treatment option, or is it the consumer's demand (fueled by consumer education like those 'Ask Your Doctor' direct-to-consumer ads sponsored by those who stand to gain financially by these treatment choices?) that also drive these questionable yet widely accepted practices?
What's your experience been like?' Do all bugs need drugs?
- Antibiotic Resistance, Evidence-Based Medicine and the End of the World as We Know It ' Jessie Gruman
- Inside Health Care: Show Me the Evidence
- 'That's Not What I Wanted to Hear!': Evidence-Based Medicine and Our Hard Choices ' Jessie Gruman
More Blog Posts by Carolyn Thomas
Carolyn Thomas is a heart attack survivor and a 2008 graduate of the annual WomenHeart Science and Leadership Symposium at Mayo Clinic in Rochester, Minnesota. She was also named by “Our Bodies Ourselves” of Boston in 2009 as one of 20 inductees from seven countries acknowledged as “Women’s Health Heroes” for community activism in promoting women’s health. This post originally appeared on her Heart Sisters blog. She also writes at The Ethical Nag: Marketing Ethics for the Easily Swayed and you can follow her on twitter at @HeartSisters or @TheEthicalNag.
Comments on this post
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|Carolyn Thomas says|
November 6, 2011 at 1:36 PM
Hello Jessie, Goldie and friends
Thanks for picking up this post from my blog, The Ethical Nag. Interesting round of reactions over there to the original essay, including one from a doctor in India who describes his country (in a similar article on his own site) as "set to emerge as the antibiotic resistance capital of the world".
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