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Chiropractic Medicine: Its History And Pseudoscientific Practices

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When patients ask me if a chiropractor can help them with their problem, I often think to myself, “OK, do I give them the short answer or the long answer?” The difficulty is often in the fact that chiropractic is a diverse profession and it is difficult to even characterize what a “typical” chiropractor is likely to do. As a chiropractor once admitted to me – there are a great many things that happen under the umbrella of “chiropractic.”

In this article I will summarize some of the history and practice of chiropractic, highlighting what I consider to be many of the enduring problems with this profession.

History

Chiropractic was founded in 1895 by Daniel David Palmer, a grocer with an intense interest in metaphysics. Prior to his “discovery” of chiropractic, D.D. Palmer was a magnetic healer. He also had interests in phrenology (diagnosing disease based on the bumps of the skull) and spiritualism. Palmer reported to have discovered the principle of chiropractic when he allegedly cured a janitor of his deafness by manipulating his neck. The fact that the nerve which conveys sound information from the ears to the brain does not pass through the neck did not seem to bother Palmer, if he was even aware of this fact.

Palmer created the term “chiropractic,” which literally means “done by hand,” to refer to his new therapy. He argued that all disease is caused by subluxated bones, which 95% of the time are spinal bones, and which disrupt the flow of innate intelligence. He did not subject his ideas to any form of research, but rather went directly to treating patients and to teaching his principles to the first generation of chiropractors.

Subluxation Theory

Palmer believed in the pre-scientific vitalistic notion that health stems from the flow of a spiritual life force. Although vitalism was rapidly declining within scientific thought by the end of the 19th century, it was the centerpiece of early philosophies of health in most cultures. Palmer borrowed this ancient belief and renamed it “innate intelligence” which he claimed flowed from the brain to the rest of the body through the spinal cord and peripheral nerves. All disease, he argued, results from disruption in the flow of innate intelligence. Disruption in flow is caused by spinal subluxations, which are small misalignments in the spine that compress the spinal nerves.

Therefore, liver disease is caused by a subluxation which compresses the spinal nerve which supplies the liver with life force, depriving it of its vital innate intelligence. Palmer therefore believed he could cure by fixing these misalignments with manipulation.

This idea has remained the cornerstone of chiropractic despite advances in neurobiology and anatomy which have failed to show any evidence for innate intelligence or chiropractic subluxations. Many continue to ascribe all disease to the blockage of innate intelligence despite scientific advances in medicine which have discovered infectious, genetic, autoimmune, degenerative, nutritional, and other causes for many of the diseases which plague mankind.

Chiropractic was also not the only tradition based upon manipulating the bones. Of note, osteopathic doctors also developed an art of bone manipulation in order to heal, but they believed they were unblocking blood flow through arteries. Osteopathy and chiropractic had similar roots, but took very different paths, as we will see.

D.D. Palmer’s son, B.J. Palmer, became involved in the chiropractic movement early on, during the formative years. B.J shared his father’s metaphysical bent (prior to chiropractic, he worked with a mesmerist and worked in the circus), his tendency to make sweeping statements about health without justification, and his ignorance of contemporary scientific knowledge. He was reported to state, for example, “When I saw there was no use for a sympathetic nervous system, I threw it out, and then just had to put something better in its place, so I discovered Direct Mental Impulse.” B.J. also “discovered” a non-existent “Duct of Palmer” connecting the spleen to the stomach. In 1907 B.J. engineered a hostile take over of his father’s school of chiropractic.

B.J. Palmer set the tone that would later dominate the field of chiropractic. He emphasized salesmanship, advertising, and practice building. He was highly critical of medicine, stating that M.D. stands for “more death.” He continuously sought new methods for increasing revenues, such as his neurocalometer, which would pinpoint subluxations by measuring skin temperature and he decreed must be rented from him by other practitioners at exorbitant fees.

From the beginning chiropractors were also politically aggressive. They sought licensure as a protection from the growing scientific medicine with which they were completely at odds. Many legislators were reluctant to license chiropractors for this reason, but as more and more states voted in licensure, it became increasingly difficult to fight. Additionally, many legislators looked upon licensure as way of controlling the scope of chiropractic. By 1925, 32 states had instituted licenses for chiropractors. The struggle ended in 1974 when Louisiana instituted licensing.

Many states then began to pass basic science board requirements for licensure, making chiropractors pass the same tests of basic science knowledge as medical and osteopathic students. This was justified by the fact that chiropractors were presenting themselves as primary practitioners. However, where roughly 86 percent of medical students passed their basic science boards between 1927 and 1953, only 23 percent of chiropractors did. Chiropractors who could not pass the boards either moved to another state without the requirement, or practiced without a license. Between 1967 and 1979 all of the basic science laws for chiropractors were repealed.

Over the years chiropractic has never ceased its tireless struggle for growth and acceptance. Despite the fact that scientific medicine has continued to progress and chiropractic has never shed its pseudoscientific origins, they have been quite successful. After licensure, they gained coverage under Medicare. They have also successfully sued the AMA to stop their antichiropractic campaign. Today they continue to lobby hard for increased coverage and access under health insurance and HMO policies.

Straights, Mixers, and Reformers

Almost since the beginning, chiropractic has been fraught with many internal schisms. Today there is a wide range of differences between individual chiropractors, but most can be placed within one of three basic types.

Straight chiropractors consider themselves the only true or pure chiropractors because they limit their practice to the identification and treatment of spinal subluxations. They adhere strictly to Palmer’s concept of disease and believe that all ailments can be treated through manipulation to restore the flow of innate intelligence. Once freely flowing, they believe innate intelligence has unlimited power to naturally heal the body.

Straight chiropractors are the most extreme in their anti-scientific views. They openly advocate a philosophical rather than a scientific basis for health care, calling mainstream medicine “mechanistic” and “allopathic.” They call physicians “drug pushers” and disparage the use of surgery. They are careful not to give diseases names, but none-the-less they claim to cure disease with their adjustments. They oppose vaccinations. They also openly advocate the replacement of scientific medicine with chiropractic as primary health care. The statements of Dr. Wilson A. Morgan (who just passed away earlier this month), previous Executive Officer of Life College School of Chiropractic, are typical:

“Chiropractic: The health care system whose time as the official guardian of the public’s health is fast approaching!”
“On the other hand, it is equally appropriate for chiropractors to be viewed as generalists in that the far-reaching effects of their highly specific spinal adjustments usually are followed by the decrease and often disappearance of a very broad array of symptoms, disabilities and pathological conditions.”
“Unlike the medical profession, chiropractic has a very strong philosophical basis, which no doubt has contributed to its having been labeled ‘unscientific’ by the more mechanistically-oriented scientific community.”
“It appears that education will prove to be the best strategy in the ‘war on drugs,’ including education about the dangers of drugs available on the street and also those available from the physician as prescriptions.”

Mixers, comprising the largest segment of chiropractors, may at first seem more rational. They accept that some disease is caused by infection or other causes and they do not limit their practice to fixing subluxations. Most chiropractors in this group, however, do not supplement subluxation theory with scientific medicine, but rather with an eclectic array of pseudoscientific alternative practices. Mixers commonly prescribe homeopathic and herbal remedies, practice acupuncture and therapeutic touch, diagnose with iridology, contour analysis, and applied kinesiology, and adhere to the philosophy of naturopathy. This broad use of unproven, unscientific, and fanciful so-called “alternative” practices clearly indicates an antiscience attitude, as well as a lack of scientific knowledge, on the part of those chiropractors who employ them.

The rhetoric of Mixers indicates that they are attempting to become accepted into the scientific mainstream, rather than replace scientifically based medicine with a philosophy based approach. They no longer openly oppose immunization, like straights do, but they do advocate the freedom to choose whether or not to be immunized. Their appeal to freedom is emotionally effective, especially in the United States, but it fails to recognize that immunization is far less effective in eliminating or containing infectious diseases when it is not given to everyone. They also advocate a role for chiropractors as a primary care portal of entry system within HealthCare, despite the fact that they lack adequate training as generalists skilled in medical diagnosis.

A small minority of chiropractors, numbering only about 1,000, or 2% of all chiropractors (these are rough estimates because accurate figures are lacking), have been openly critical of their own field. They have called for absolute rejection of the subluxation theory of illness, disposing of pseudoscientific and unethical practices by chiropractors, and the restriction of chiropractic to treating acute musculoskeletal symptoms. They are attempting to bring their field into the scientific mainstream.

Occasionally chiropractic reformers have attempted to forge a new profession, entirely shedding the pseudoscience attached to the chiropractic brand. About ten years ago one group in Canada renamed themselves “Orthopractors,” and considered the new discipline of orthopractic as distinct from chiropractic. Orthopractic is the use of manipulation to provide symptomatic relief from uncomplicated acute back strain. They do not believe in maintenance therapy, treating medical ailments, or the use of pseudoscientific alternative practices.

Unfortunately, this reform effort died because “orthopractic” did not exist as a legal entity. This also partly explains why the “chiropractic” label persists and covers such a wide range of philosophy and practice – because it exists as a recognized licensed profession. It has a regulatory inertia that is hard to combat.

To further complicate things, spinal manipulation exists outside of the chiropractic profession, and not all manipulation is chiropractic manipulation. Some physiatrists, sports medicine doctors, and osteopaths legitimately employ manipulative therapy to relieve muscle strain, mobilize joints, and improve function. Chiropractors do this as well. But some chiropractors also do chiropractic manipulation designed to realign the spine and reduce imaginary chiropractic subluxations.

The Evidence – Subluxations

In the past 100 years, there has been very little research conducted into the basic principles of straight chiropractic. There is no research that indicates the existence of innate intelligence or that such a force plays any role in health and disease. Further, the evidence strongly suggests that chiropractic subluxations are a figment of the chiropractic imagination. And it also seems that spinal manipulation is not capable of realigning the vertebra of the spine.

A study carried out by Edmund Crelin, Ph.D. investigated the amount of force necessary to displace vertebral bones of the spine in order to cause impingement of a spinal nerve. The study was carried out on six corpses within 8 hours after death. His conclusion was that the amount of force necessary to actually displace the vertebra was great enough to break the spine, arguing strongly that chiropractic manipulation cannot significantly affect spinal alignment, and that misaligned spines do not caused pinched nerves (Crelin, 1973).

Pinched or impinged spinal nerves do occur, but they are caused by herniated discs, fractures, tumors, or overgrowth of the vertebral bones. When spinal nerves are impinged they cause pain, numbness, and tingling and may cause a decrease or loss of deep tendon reflexes and weakness of the muscles supplied by the affected nerve. Impinged nerves are not caused by subluxations nor do they result in diseases of the organs. Believers in subluxation theory must claim, implausibly, that nerve impingement causes only a blockage of innate intelligence without causing any of the known signs and symptoms of such impingement.

Ironically, spinal manipulation is contraindicated in cases of actual nerve impingement and should not be performed. In medical studies of manipulation, such as the RAND study, often cited by chiropractors as evidence for manipulation, spinal nerve impingement was considered a reason not to have manipulation and therefore was a criteria for exclusion from the study.

Another source of evidence that the chiropractic theory of subluxations and innate intelligence is completely false comes from the unfortunate victims of spinal trauma. There are many victims of complete transection, or disruption, of the cervical spinal cord in the neck. Such a complete injury leaves its victim quadraplegic, unable to move the arms or legs. If the injury is high enough in the spinal cord the victim may not even be able to breath on their own. In such victims no impulses from the brain are able to travel below the spinal cord in the neck, and therefore most of the communication between the brain and the body is interrupted. Certainly, this is a much more dramatic and complete interference of nerve flow than that of an impinged spinal nerve.

Yet, in these patients, the organs continue to work without difficulty and diseases do not develop at any higher rate than those without such an injury. Of course, there are some effects from the disruption of the autonomic nervous system, that part of the nervous system which regulates the bladder, the degree of bowel motility, and other functions. But all effects of spinal cord damage are caused by known neurological injury. If subluxation theory were correct, then patients with high spinal cord injuries would be ravaged by every conceivable disease.

So chiropractors cannot realign the spine to fix imaginary subluxations and restore the flow of nonexistent innate intelligence. Subluxation theory is pure pseudoscience, like homeopathy or therapeutic touch, and has no place in a 21st century scientific health care system.

Despite the extreme scientific implausibility of subluxation theory, specific applications have been tested with clinical research – with predictable results. For example, many chiropractors will use manipulation to treat asthma is children. The results of this research are soundly negative – chiropractic does not work on asthma.

Despite this many chiropractors persist in treating asthma. This led Simon Singh to write in the Guardian in 2008 that the British Chiropractic Association, which does advocate chiropractic for childhood asthma, “promotes bogus therapies.” In response to this statement the BCA notably did not provide the evidence that Singh claimed was missing. Rather, they sued him for libel (the case is ongoing).

Next week I will cover the evidence for musculoskeletal uses of chiropractic.

*This blog post was originally published at Science-Based Medicine*

Watch Out For MRSA In Your Community

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“Community acquired” (that is, not acquired in the hospital, which would be “hospital acquired”) methicillin-resistant Staphylococcus aureus (MRSA) infections have not likely come about because germs that have evolved bacterial resistance by residing within hospitals have spread into the community. Rather, this bacterial resistance to methicillin appears to have arisen independently. The “community” now absolutely needs to be considered to include the outdoor community. Hikers, kayakers, divers, climbers and all other outdoors persons who share equipment or mingle with the general population are susceptible. From a reference entitled “Diagnosis MRSA – The Clinical Challenge of Multidrug-Resistant Infections,” authored by Peter DeBlieux and colleagues and published as a supplement to ACEP NEWS, comes some useful observations.

Skin and soft tissue infections are among the most common infections caused by bacteria that can develop resistance to bacteria. Persons at particular risk for such infections include males, certain geographies, time of year (during warmer months), and affliction with diabetes. Many of the infections are abscesses, in which there is a pus pocket that can be drained by making an incision. Such treatment is in fact important to help control the spread of MRSA infections, presumably by helping to cure the abscess(es).

The current thinking is that in the setting of an “uncomplicated” skin and soft tissue infection (e.g., no involvement of deep tissues, minor clinically: simple abscess, impetigo, pimple, or superficial cellulitis), incision and drainage of small, localized abscesses can be curative. However, this is not an absolute, so many physicians are of the opinion that adding an effective antibiotic is useful. Until we have more information, it remains the clinical judgment of the treating physician about whether or not to prescribe an effective antibiotic, such as trimethoprim-sulfamethoxazole.

In complicated infections, which involve deeper skin structures (such as infected tissue ulcers, rapidly progressive infections, diabetic foot infections involving MRSA), antibiotics are deemed to be essential. The oral antibiotics that are felt to be effective against MRSA are clindamycin, trimethoprim-sulfamethoxazole, doxycycline, minocycline, linezolid, and rifampin. The injectable antibiotics that are felt to be effective against MRSA are vancomycin, clindamycin, daptomycin, tigecycline, linezolid, and quinupristin-dalfopristin. Notably, the fluroquinolone category of drugs, which includes ciprofloxacin, is not recommended as an effective treatment for community acquired MRSA infection. The same holds true for the macrolide category, which includes erythromycin, as well as cephalexin, penicillin, and dicloxacillin.

To prevent the spread of MRSA, wounds should be kept covered with clean, dry bandages; hands washed with soap and water or an effective hand sanitizer after each dressing change; close contacts instructed to bathe regularly; no sharing be allowed of bedding, towels, washcloths, bar soap, razors, and so forth.

image courtesy of www.mrsatreatments.com

This post, Watch Out For MRSA In Your Community, was originally published on Healthine.com by Paul Auerbach, M.D..

Medical Records: One For The Insurance Company And One For Doctors & Patients?

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Apparently, there are some legitimate reasons why a patient may lie to their physicians.

A recent article in the Los Angeles Times discusses the phenomenon, which as Dr. Gregory House would aptly summarize as, “Everyone lies.”

In fact, a recent survey suggests that “38% of respondents said they lied about following doctors’ orders and 32% about diet or exercise.”

One interesting reason is that patients are wary disclosing potentially damaging information to health insurance companies. Indeed, when patients apply for individual health insurance, their medical record is pulled up. And since trivial details can cause insurance companies to deny health coverage, patients certainly may have second thoughts about giving an accurate history.

Furthermore, “when processing a claim, the insurance company finds something in a patient’s records that contradicts something the patient said when purchasing the policy, the company can retroactively cancel the policy.”

That’s pretty harsh.

But making medical decisions on inaccurate information has consequences as well, including providing poor patient care.

One suggested option would be to maintain two sets of medical records, one that is shared with the insurance companies, and a private one that is not released to third parties. Some patient advocacy groups even go as far as saying, “If your physician won’t do that, it’s reason enough to leave the physician.”

I currently don’t offer such an option. I wonder how many other practices do.

*This blog post was originally published at KevinMD.com*

How Medical Malpractice Reform Could Save Lives

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When my six-year-old daughter heard that I was going to write about President Obama’s speech to the American Medical Association in Chicago, she offered me this insight: “He’s not a doctor! He isn’t supposed to tell people what to do when they’re sick; he’s supposed to rule the world.”  Yet, regrettably, doctors do need his help and it was with great interest that on June 15, the medical community listened.

I suspect that my colleagues in Chicago are the only crowd to boo the President during a speech since his election, and I think that much can be learned by examining why this occurred.  Just moments before being booed, Obama received raucous applause when he acknowledged, “that some doctors may feel the need to order more tests and treatments to avoid being legally vulnerable. That’s a real issue.”  Physicians in the audience then booed the next line, “I’m not advocating caps on malpractice awards which I believe can be unfair to people who’ve been wrongfully harmed.”  The President went on to offer a plan to help physicians avoid practicing expensive defensive medicine.  “We need to explore a range of ideas about how to put patient safety first, let doctor’s focus on practicing medicine, and encourage broader use of evidence based guidelines.”

I do not object to President Obama’s sincere and well delivered remarks to the AMA, but found some of them to contain trite platitudes.  Encouraging physicians to “put patient safety first, focus on practicing medicine and follow evidence-based guidelines” is like asking airline pilots to pay attention to safety gauges, fly their planes, and respect passengers. I found the admonition to follow evidence-based guidelines as a means to avoid medical malpractice claims a particularly naïve statement.  I’m not arguing against using guidelines, I just don’t see how guidelines will protect me from a lawsuit any more than the currently used standard-of-care.

I share the President’s opinion that any individual should have the option of remediation through the court system when wronged but large, punitive settlements change the way hospitals and physicians practice medicine and have resulted in an untold number of unnecessary surgeries as well as causing the actual death of many who never had their day in court.  Unreasonably large medical malpractice settlements often have consequences that reach far beyond the parties involved in the original suit. Follow the relationship between cerebral palsy and C-sections and you will understand my assertion.  In 1985, then trial lawyer John Edwards won a settlement of 6.5 million dollars against a hospital and 1.5 million dollars from an OB/GYN doctor arguing that if a C-section had only been done for an unfortunate child she would have been born without cerebral palsy.  This case set off a chain reaction of suits throughout the country, leading obstetricians to practice defensive c-sections. The United States currently has the highest rate of C-sections in the world, the most expensive obstetrical costs per birth, and when measuring infant mortality ranks 42nd out of 43 industrialized nations.

In 1970, six percent of births in the U.S. were done by C-section; today that number has risen to over 30% while the WHO recommended, in 2006, that the actual rate should be no higher than 15%. Yet, the last four decades have seen the cerebral palsy birth rates remain close to 2 per 1000 live births in the U.S. without change.   Considering that women are 4 times more likely to die during a C section than during a vaginal birth it becomes a simple and tragic mathematical exercise.  Consider that in Scandinavia the maternal death rate is 3 per 100,000 births while 13 mothers die per 100,000 births in the United States; unless you’re African American–then you count an appalling 34 dead for every 100,000 births.  Furthermore, once you have had a C-section there is a very good chance that all future births will be done the same way with an increased rate of hysterectomies, post-operative infections, blood clots, drug reactions, etc.

On the other hand, tort reform has resulted in major shifts in the physician workforce.  In 2003 Texas put a cap of a quarter million dollars on malpractice settlements for pain and suffering but did not place a limit on the actual economic loss suffered by a plaintiff.  The limit for a wrongful death case was set at 1.6 million dollars.  Since 2003 Texas has seen 18% more doctors filing for new medical licenses per year (30% in 2007) and by the end of 2007 there was a 6 month backlog for the medical board to begin processing new license requests. The increased number of physicians has helped to improve access to care. Medical malpractice reform is necessary to avoid the kind of collective defensive behaviors that, ironically, may not be in the best interests of patients.

In my next few posts, I plan to discuss various aspects of our broken healthcare system. It is imperative that we understand all of these problems to avoid making things worse. This will require a probing and honest evaluation of what is wrong today.  I also intend to discuss the President’s plans for reform and while I don’t agree with all of his plans, he has put forth many ideas that I do agree with.  The time for reform is here, action appears inevitable, and the moment to speak out is now.

Until next week, I remain yours in primary care,

Steve Simmons, MD

When Apples Attack

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I can't ever buy apples again.Last night after work, I stopped by the grocery store to pick up a few things on my way home.  The place was post-work packed.

I was wearing a dress with a bit of a busy print, and loud, clacking heels, so I wasn’t really a shrinking violet.  But it wasn’t a big deal to be a bit over-dressed for grocery shopping – I was just running in and running out as quickly as I could.

I go to the produce section and fill my cart with a few items, then I remember that Chris asked me to get fruit.  So I went over to the selection of apples, which had apparently just been refilled, as they were piled high.  High as in like two dozen levels of red, shiny apples.  With a plastic bag in my hand, I reached out and grabbed an apple.  And then another.

And then I reached for a third.

Which must have been precariously placed.

As every apple in the stack came tumbling towards me.  Like in a cartoon.

“OOOOH!”  I yelled, whipping my arms around like a windmill in effort to stop the avalanche.

“OOOOH!”  I yelled, as I pressed myself against the side of the shelving to keep the apples from hitting the floor, letting them pile up against me instead.

“OOOOH!”  I yelled as the apples created a slope against my body and then starting falling faster from the tower, rocketing off my shoulder and flying high into the air.

“OOOOH!” The woman a few feet away yelled, as an apple ricocheted off the shelving and landed in her cart.

I was dying of embarrassment.  The apples were hitting the floor with a loud thunk and people were staring and the grocery store produce guys were running over, trying to help, but their laughter rendered them useless.

“Oh my God, please make this stop.  Please, can you just make the apples stop their onslaught!”  I pleaded, my arms filled with fruit.

The produce guy closest to me tried to stem the flow of apples, but it was fruitless.  These apples were powered by inertia and determined to make a spectacle of me.

“Miss, you need to step away from the apples so we can clean them up.  Can you move back a few steps?”

“If I move, all the ones I’m holding will fall.  And then I will die of shame.”  I tried to talk without moving my mouth, as to not further enrage the apples.

The produce guy tried to hide his laughter.  “Miss, step away from the apples.  I’m ready to deal with them.  In three … two … one …”

I moved back and all the apples I was holding in my arms tumbled to the ground with a SMACK.  A sea of large, red marbles on the tile floor.  My face was as red as an … well,  you can guess.

“Can I help you clean up?  Or can I go?  Can I just walk away and pretend this didn’t happen?”

“Run, lady.  You might want to run.”

I fumbled for my purse and my grocery cart and tried to eek away gracefully (as gracefully as one can, with loud heels and a noticeable dress), turning my ankle on an apple only once.  People were smirking and laughing, and one old man started to applaud.

I left the grocery store, my face on fire and laughing to myself.  I called my mother from my car and told her the story through my embarrassment and tears of laughter.

“I think I’m channeling Grammie,” I said.

“Oh Kerri … you’re right,” my mother laughed.  “Grammie was known for wearing platform shoes in the grocery store and falling over at the deli counter.  And you know what?  I wore platform shoes to the deli counter when I was your age and I fell over, too!  It’s hereditary!”

Note to self: Do not buy platform shoes.

*This blog post was originally published at Six Until Me.*

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