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Why Don’t Patients Fill Their Primary Care Physician’s New Prescriptions?

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A Canadian study published today in the Annals of Internal Medicine suggests that about one third of new prescriptions (written by primary care physicians) are never filled. Over 15,000 patients were followed from 2006 to 2009. Prescription and patient characteristics were analyzed, though patients were not directly interviewed about their rationale for not filling their prescriptions.

In short, patients were less likely to fill a prescription if the treatment was expensive, but certain types of drug indications had consistently higher non-fill rates:

  • Headache (51% not filled)
  • Ischemic heart disease (51.3% not filled)
  • Thyroid agents (49.4% not filled)
  • Depression (36.8% not filled)

Overall, hormonal (especially Synthroid), ENT (especially Flonase), skin, and cardiovascular drugs (especially statins) had the highest non-fill rates.

As far as those prescriptions more likely to be filled, antibiotics (especially for urinary tract infections) ranked number one.

Trends towards prescription compliance were seen among older, healthier patients, and those who were switching medications within a class rather than starting an entirely new drug. Patients who received prescriptions from a doctor that they visited regularly (rather than a new provider) were also more likely to fill their prescriptions.

This study was not designed to elucidate the exact rationale behind prescription non-adherence, but I am willing to speculate about it. In my experience, patients are less likely to fill a prescription if a reasonable over-the-counter alternative is available (think headache or allergy relief). I also suspect that they are less likely to fill a prescription if they believe it won’t help them (skin cream) or isn’t treating a palpable symptom (statin therapy for dyslipidemia). Finally, patients are probably nervous about starting a medicine that could effect their metabolism or cognition (thyroid medication or anti-depressant) without a full explanation of the possible benefits and side effects.

I was surprised to see how compliant patients seem to be with antibiotic agents (at least, filling the initial prescriptions). Given the increasing rates of antibiotic resistance, this reinforces the need to limit prescriptions to those agents truly indicated, and to analyze bacterial sensitivities during the treatment process to optimize medical management.

My take home message from this study is that providers need to do a better job of explaining the reasoning behind new prescriptions (their necessity, consequences of non-compliance, and risk/benefit profiles) and reviewing the overall cost to the patient. If a cheaper, effective alternative is available (whether OTC or generic), we should consider prescribing it. Providers can likely improve medication compliance rates with a little patient education and price consciousness. Extra time should be spent with patients at higher risk for non-compliance due to their personal situation (age, degree of illness, income level) or if a specific drug with lower compliance rates is being introduced (Synthroid, statins, etc.) Regular follow up (especially with the same prescriber) to ensure that prescriptions are filled and taken as directed is also important.

Failure To Communicate: The Dangers Of Inadequate Hospital Handoffs And What To Do About It

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One of my biggest pet peeves is taking over the care of a floor-full of complicated patients without any explanation of their current conditions or plan of care from the physician who most recently treated them. Absent or inadequate verbal and written “handoffs” of patient care are alarmingly common in my experience. I work primarily as a locum tenens physician, traveling across the country to “cover” for my peers on vacation or when hospitals are having a hard time recruiting a full-time MD. This type of work is particularly vulnerable to gaps in continuity of care, and has heightened my awareness of the prevalence of poor sign-outs.

Recent research suggests that communications lapses are the number one cause of medical errors and adverse events in the healthcare system. An analysis published in the Archives of Internal Medicine suggests various kinds of consequences stemming from inadequate transfer of information, including missed diagnoses, incomplete work ups, ICU admissions, and near-miss errors. I have personally witnessed all manner of problems, including medication errors (the patient’s full list of medical conditions was not known by the new physician), lack of follow up for incidental (though life-threatening) findings discovered during a hospital stay, progression of infection due to treatment delay, inappropriate antibiotic therapy (follow up review of bacterial drug resistance results did not occur), accidental repeat fluid boluses in patients who no longer required rehydration (and had kidney or heart failure), etc.

It has long been suspected, though not unequivocally proven, that sleep deprivation (due to extended work hours and long shifts) is a common cause of medical errors. New regulations limiting resident physician work hours to 80 hours a week have substantially improved the quality of life for MDs in training, but have not made a remarkable difference in medical error rates. In my opinion, this is because sleep deprivation is a smaller contributor to the error problem than incomplete information transfer. If we want to keep our patients safe, we need to do a better job of transferring clinical information to peers assuming responsibility for patient care. This requires more than checklists (made popular by Atul Gawande et al.), it’s about creating a culture of carefulness.

Over the past few decades, continuity of care has been undermined by a new “shift worker” or “team”  approach. Very few primary care physicians admit patients to local hospitals and continue to manage their care as inpatients. Instead, hospitalists are responsible for the medical management of the patient – often sharing responsibility as a group. This results in reduced personal knowledge of the patient, leading to accidental oversights and errors.  The modern shift-worker model is unlikely to change, and with the rise of locum tenens physicians added to the mix – it’s as if hospitalized patients are chronically cared for by “float staff,” seeing the patient for the very first time each day.

As a physician frustrated with the dangers of chronically poor sign-outs, these are the steps that I take to reduce the risk of harm to my patients:

1. Attend nursing change of shift as much as possible. Some of the most accurate and best clinical information about patients may be obtained from those closest to them. Nurses spend more face-to-face time with patients than any other staff members and their reports to one another can help to nip problems in the bud. I often hear things like, “I noticed that Mr. Smith’s urine was cloudy and smelled bad this morning.” Or “Mrs. Jones complained of some chest pain overnight but it seems to be better now after the Percocet.” These bits of information might not be relayed to the physician until they escalate into fevers, myocardial infarctions, or worse. In an effort to not “bother the physician with too much detail” nurses often unwittingly neglect to share subtle findings that can prevent disease progression. If you are new to a unit or don’t already know the nursing staff well, join their morning or evening sign out meeting(s). They (and you) will be glad you did.

2. Pretend that every new patient needs an H&P (complete history and physical exam). When I pick up a new patient, I comb through their medical chart very thoroughly and carefully. I only need to do this once, and although it takes time, it saves a lot of hassle in the long run. I make note of every problem they’ve had (over the years and currently) and list them in a systems-based review that I refer to in every note I write thereafter.

3. Apply the “trust but verify” principle. I read other physicians’ notes with a careful eye. Electronic medical records systems are notorious for “copy and paste” errors and accidentally carrying over “old news” as if it were an active problem. If a physician notes that the patient has a test or study pending, I’ll search for its result. If they are being treated empirically for some kind of infection, I will look for microbiologic evidence that the bug is sensitive to the antibiotics they are receiving. I’ll ask the patient if they’ve had their radiology study yet, and then search for the result. I’ll review the active medication list and see if one of my peers discontinued or started a new medicine without letting me know. I never assume that anything in the medical record is correct. I try my best to double check the notes and data.

4. Create a systems-based plan of care, reconcile it each day with the active medication list. I like to organize patient diseases and conditions by body systems (e.g. cardiovascular, endocrine, gastrointestinal, neurologic, dermatologic, etc.) and list all the diseases/conditions and medications currently being offered to treat them. This only has to be done thoroughly one time, and then updated and edited with additional progress notes. This helps all consultants and specialists focus in on their particular area of interest and know immediately what is currently being done for the patient (both in their system of interest and as a whole) with a glance at your note. Since medications often have multiple purposes, it is also very helpful to see the condition being treated by each medication. For example, if the patient is on coumadin, is it because they have a history of atrial fibrillation, a prosthetic heart valve, a recent orthopedic procedure, or something else? That can easily be gleaned from a note with a systems-based plan of care.

5. Confirm your assessment and plan with your patient. I often review my patients’ medication and problem list with them (at least once) to ensure that they are aware of all of their diagnoses, and to make sure I haven’t missed anything. Sometimes a patient will have a condition (otherwise unmentioned in their record) that they treat with certain medications at home that they are not getting in the hospital. Errors of omission are not uncommon.

6. Sign out face-to-face or via phone whenever possible. These days people seem to be less and less eager to engage with each other face-to-face. Texting, emailing, and written sign-outs often substitute for face-to-face encounters. I try to remain “old school” about sign-outs because inevitably, something important comes up during the conversation that isn’t noted in the paper record. Things like, “Oh, and Mr. Smith tried to hit the nursing staff last night but he seems calmer now.” That’s something I want to know about so I can preempt new episodes, right nursing staff?

7. Create a culture of carefulness. As uncomfortable as it is to confront peers who may not be as enthusiastic about detailed sign-outs as I am, I still take the initiative to get information from them when I come on service and make sure that I call them to provide them with a verbal sign-out when I’m leaving my patients in their hands. By modeling good sign offs, and demonstrating their utility by heading off problems at the pass, I find that other doctors generally appreciate the head’s up, and slowly adopt some of my strategies (at least when working with me). I have found that nurses are particularly good at learning to tell me everything (no matter how small it may seem at the time) and have heard time and again that things “just run so much more smoothly” when we communicate and even “over-communicate” when in doubt.

“The Devil is in the details.” This is more true at your local hospital than almost anywhere else. Reducing hospital error rates is possible with some good, old-fashioned verbal handoffs and a small dose of charting OCD. Let’s create a culture of carefulness, physicians, so we don’t get crushed with more top-down bureaucratic rules to solve this problem. We can fix this ourselves, I promise.

A Historical Review Of The Toilet And Its Contribution To International Sanitation Efforts

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November 19 is International Toilet Day. That may sound funny, but it is a serious event. It is a day to contemplate what we have and others don’t. As we sit in privacy on our comfortable flush toilets today, it is hard to imagine that a scant two hundred years ago sewage disposal meant emptying chamber pots into the nearest convenient place, which was often the street.

If you were out for a walk in Britain in the 18th century and heard the cry “gardy-loo,” you had better scamper across the street because the contents of a chamber pot were set to be hurled your way from a window. The expression derives from the French “regardez l’eau” and was commonly heard as chambermaids carried out their duties. Some even suggest that the custom of a gentleman walking on the outside when accompanying a lady can be traced to the desire to protect the fair sex from the trajectory of the chamber pot’s contents.

What may be even harder to imagine than the sidestepping of flying fecal matter is that roughly a third of the world’s population today cannot easily sidestep the problems associated with exposure to untreated sewage because of a lack of access to a toilet. As a consequence, diarrheal disease is rampant, killing more children than AIDS, malaria and measles combined. In developing countries a child dies every twenty seconds as a result of poor hygiene. Mahatma Gandhi recognized the problem when he proclaimed in 1925 that “sanitation is more important than independence.”

The invention of the flush toilet and the introduction of plumbing for sewage disposal mark two of the most significant advances in history. Let’s get one of the toilet myths out of the way right away. Contrary to numerous popular accounts, Thomas Crapper did not invent the flush toilet! It is easy to see how connecting his name with the invention would make for a compelling tale, but what we actually have here is a prime example of the classic journalistic foible, “a story that is too good to check.”

Almost all accounts of the Crapper saga claim that a 1969 book by Wallace Reyburn, cleverly titled “Flushed with Pride-The Story of Thomas Crapper” establishes Crapper as the inventor of the flush toilet. Reyburn actually says no such thing. The book is an entertaining celebration of the life and times of Crapper, the man who “revolutionized the nations’ water closets.” Indeed, that he did do. But flush toilets were around long before Thomas Crapper ever got into the game in the 19th century.

The first flush toilet appeared as early as 1700 B.C. The Palace of Knossos on the island of Crete, built around that time featured a toilet with an overhanging cistern that dispensed water when a plug was removed. Curiously it would take another three thousand years until the next step in flushing technology was taken by Sir John Harrington, godson of Queen Elizabeth I. In 1596 Harrington installed a “water closet” in the Royal Palace that featured a pipe fitted with a valve connected to a raised water tank. Opening the valve released the water that would carry waste into a cesspool. Apparently the Queen was not overly pleased with the invention because odours from the cesspool wafted up into the Royal powder room. It would take another couple of centuries before this problem was addressed.

The first patent for a flushing toilet designed to keep sewer gases from seeping back was issued to Alexander Cummings in 1775. Cummings designed a system that allowed some water to remain in the bowl after each flush, preventing the backflow of odours. Joseph Bramah attempted to improve upon this system with a sophisticated valve that was supposed to seal the waste pipe after each flush. While it didn’t work perfectly, Bramah’s toilet was introduced at just the right time because London was beginning to install sewage systems. Some 6000 Bramah toilets soon dotted the city’s landscape. And then about a hundred years later, along came Thomas Crapper.

In 1861 the Thomas Crapper plumbing company opened for business in London. The time was ripe for the sale of plumbing supplies because the need for proper sanitation was being firmly established. A public report issued in the city of Leeds claimed a significantly higher death rate among children who lived in “dirty” streets where sewage flowed openly. And in 1854 physician John Snow had pinpointed the homes in London where someone had contracted cholera during an epidemic and traced the problem to water contaminated with sewage being dispensed from a pump in Broad Street. The need to flush away problems associated with sewage was becoming clear.

There is no question that Crapper made significant improvements in toilet technology. He invented a pull-chain system for flushing, and an air tight seal between the toilet and the floor. Crapper was also responsible for installing plumbing at Westminster Abbey where to this day visitors can view the manhole covers clearly displaying the name “Thomas Crapper Co.” What he was not responsible for was the introduction of the word “crap” into our vocabulary. That term meaning “refuse” predates Crapper by several centuries.

It is virtually impossible to attribute the numerous improvements in toilet technology since Crapper’s time to individuals. There are patents galore for eliminating overflow, reducing water usage, curbing noise, improving waste removal from the side of the bowl, devices to alert night time users if the seat is up and gimmicks to encourage men to aim properly. And the future may belong to toilets equipped with biosensors that automatically monitor urine and feces for health indicators such as sugar and blood. But for now, just think of the amazing technology that allows for the removal of the roughly 200 grams of poo we deposit per person per day. That’s a stunning 600,000 kilos in a city of three million!

So on November 19, as we get comfy on our high tech toilets, ready to flush away the remnants of a scrumptious meal, a roll of soft toilet paper and fragrant soap by our side, let’s give a thought to how we can help those unlucky enough to have been born in a place where “gardy-loo” still rings true.

***

Joe Schwarcz, Ph.D., is the Director of McGill University’s Office for Science and Society and teaches a variety of courses in McGill’s Chemistry Department and in the Faculty of Medicine with emphasis on health issues, including aspects of “Alternative Medicine”.  He is well known for his informative and entertaining public lectures on topics ranging from the chemistry of love to the science of aging.  Using stage magic to make scientific points is one of his specialties.

Talk Therapy And The American Resident Project: How Can The Next Generation Of Physicians Improve The Healthcare System?

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I have been an outspoken, and often times exasperated, patient advocate and student of healthcare reform. There is no doubt that the U.S. healthcare system is operating far below its potential in terms of efficiency, effectiveness, and affordability. In fact, an entire industry of policy wonks and consultants have sprung up in both the public and private sectors – all with recommendations about how to “fix” our system. In my opinion, the most insightful suggestions will come from those who are currently doing the work of healthcare (i.e. clinicians) and change will be adopted and promoted most fervently by the young and freshly minted among them.

Medical students, residents, and physicians newly in practice now have a place to voice their opinions – The American Resident Project is an ambitious movement to promote fresh thinking from tomorrow’s physician-leaders. I am pleased to be supporting this effort here on my blog and in face-to-face meetings with fellows at medical centers across the country. I hope you’ll bookmark the website and join in the community conversation about how to innovate  in the midst of a broken system. This is more than a think-tank for change – the ideas and opinions of young doctors may be our best hope for a brighter tomorrow.

Stay tuned for some fresh ideas in the setting of some healthy talk therapy!

More Unintended Consequences Of Digital Data: How An EMR Gave My Patient Syphilis

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I used to be a big believer in the transformative power of digital data in medicine. In fact, I devoted the past decade of my life to assisting the “movement” towards better record keeping and shared data. It seemed intuitive that breaking down the information silos in healthcare would be the first logical step in establishing price transparency, promoting evidence-based practices, and empowering patients to become more engaged in their care decisions. Unfortunately I was very wrong.

Having now worked with a multitude of electronic medical records systems at hospitals around the country, one thing is certain: they are doing more harm than good. I’m not sure that this will change “once we get the bugs out” because the fundamental flaw is that electronic medical records require data entry and intelligent curation of information, and that becomes an enormous time-suck for physicians. It forces us away from human interaction, thus reducing our patients’ chances of getting a correct diagnosis and sensible treatment plan.

How bad is it? The reality on the ground is that most hospitals are struggling enormously with EMR implementation. There are large gaps in the technology’s ability to handle information transfer, resulting in increased costs in the hundreds of millions of dollars per small hospital system, not to mention the tragically hilarious errors that are introduced into patient records at break neck pace.

At one hospital, the process for discharging a patient requires that the physician type all the discharge summary information into the EMR and then read it into a dictation system so that it can be transcribed by a team in India (cheaper than US transcription service) and returned to the hospital in another part of the EMR. The physician then needs to go into the new document and remove all the typos and errant formatting so that it resembles their original discharge summary note. In one of my recent notes the Indian transcriptionist misheard my word for “hydrocephalus” and simply entered “syphilis” as the patient’s chief diagnosis. If I hadn’t caught the error with a thorough reading of my reformatted note, who knows how long this inaccurate diagnosis would have followed the poor patient throughout her lifetime of hospital care?

Another hospital has an entire wing of its main building devoted to an IT team. I accidentally discovered their “Star Trek” facility on my way to radiology. Situated in a dark room surrounded by enough flat panel monitors to put a national cable network to shame, about 40 young tech support engineers were furiously working to keep the EMR from crashing on a daily basis – an event which halts all order processing from the ER to the ICU. Ominous reports of the EMR’s instability were piped over the entire hospital PA system, warning staff when they could expect screen freezes and data entry blockages. Doctors and nurses scurried to enter their orders and complete documentation during pauses in the network overhaul. It was like a scene from a futuristic movie where humans are harnessed for work by a centralized computer nexus.

At yet another hospital, EMR-required data entry fields regularly interrupt patient throughput. For example, a patient could not be given their discharge prescriptions without the physician indicating (in the EMR) whether each of them is a tablet or a capsule. As patients and their family members stand by the nursing desk, eager to be discharged home, their physician is furiously reviewing their OTC laxative prescriptions trying to click the correct box so that the computer will allow the transfer of the entire prescription list to the designated pharmacy. When I asked about the insanity of this practice, a helpful IT hospital specialist explained that the “capsule vs tablet” field was required by Allscripts in order to meet interoperability requirements with our hospital’s EMR. This one field requirement probably resulted in hundreds of extra hours of physician time per day throughout the hospital system, without any enhancement in patient care or safety.

For those of you EMR evangelists in Washington, I’d encourage you to take a long, cold look at what’s happening to healthcare on the ground because of these digital data initiatives. My initial enthusiasm has turned to exasperation and near despondency as I spend my days as a copy editor for an Indian transcription service, trying to prevent patients from being labeled as syphilitics while worrying about whether or not the medicine they’re taking is classified as a tablet or a capsule in a system where I may not be able to enter any orders at all if the central tech command is fixing software instability in the Star Trek room.

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