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An ongoing dialogue on HIV/AIDS, infectious diseases,
October 20th, 2016
Once again, we’re giving our “Infectious Diseases in Primary Care” post-graduate course in beautiful Boston — where the weather is perfect, the air crisp and clear, and we are all watching with excitement as the few remaining baseball teams and presidential candidates make a mad dash to the end of their respective races.
(You might have heard something about that.)
As in the past, we get a boatload of excellent questions from our participants, most of whom are highly experienced primary care clinicians. Note that not all of these questions have a definitive answer, so if you have an opinion or want additional clarification, please weigh in!
Off we go:
- One of my patients had a positive tuberculin skin test, but didn’t believe it, so I sent a [insert brand name here for your interferon gamma release assay of choice, which I hate typing]. That came back as negative. The blood test is more accurate, isn’t it?
We get this one every year, so might as well start off with it! The problem here is that there is no “gold standard” for diagnosing latent tuberculosis — it’s easy when they both agree, but sometimes the TST is positive but not the IGRA, sometimes the reverse, and neither test has 100% sensitivity. The main advantage of the IGRA is that it is less prone to false-positive results from either BCG or non-tuberculous mycobacteria. In the case when you have a discordant result, go with the one that you think makes the most sense based on the likelihood of lifetime TB exposure — and don’t forget to use the invaluable Online TST/IGRA Interpreter to help guide your decision! If the stakes are particularly high (e.g., about to get TNF inhibitors), act on the positive result. Read more on this topic here. And to reiterate, typing the brand names of IGRAs is NO FUN AT ALL, but here goes: QuantiFERON-TB Gold In-Tube and T-SPOT.TB. Good grief.
- My patient doesn’t want to get the zoster vaccine since she’s afraid of getting a live-virus vaccine. Should I just wait until the inactivated vaccine comes out and then immunize her?
Sure, it’s reasonable to wait. The inactivated zoster vaccine has been tested in multiple prospective clinical trials (for example this recently published study in adults 70 or older), and is highly effective at reducing the risk of zoster, and also quite safe. Currently under FDA review, it will probably also require vetting by the American Committee on Immunization Practices (ACIP) before insurance plans will cover it. The current live-attenuated zoster vaccine is also safe and effective, but since zoster immunization is hardly urgent, if your patient wants to wait, that’s probably the way to go. Hey, I heard the vaccine may carry the nifty brand name “Shingrix”. I make fun of lots of brand names on this site — Fulyzaq, R.I.P. — but got to give credit when the marketers come up with a good one, and “Shingrix” is emphatically one of those.
- Do we really need to get a chest X-ray on a young patient with suspected pneumonia? Why not just treat them based on physical findings?
The primary reason to get a CXR is that the optimal antibiotic choice depends on what part of the lung is involved — levofloxacin, for example, is particularly effective in the left lung. (That was a joke. Ha.) Actually, my colleague Mary Montgomery fielded this one, so I’ll let her answer: “It’s important to get a CXR in order to avoid giving unnecessary antibiotics for acute bronchitis, which gets better without them — most are viral. We used to think that any radiation exposure was worse than antibiotics, but as we are learning more about the microbiome and antibiotic resistance the risk equation is changing. The radiation risk from one CXR is equivalent to 10 days of natural background radiation. (For comparison a mammogram is equivalent to 7 weeks of natural background radiation and a PET-CT is equivalent to 8 years!) And every antibiotic dose risks changing the microbiome, causing antibiotic resistance, or leading to C diff.”
- How do I choose between the multiple flu vaccines available?
Choosing among the current flu vaccine options is like trying to choose a breakfast cereal in a large US supermarket — there’s simply too much choice, and that’s without the live intranasal vaccine this year. Regular dose, high dose, trivalent, quadravalent, adjuvanted, eggless, mercury-free — pretty soon they’ll be offering them with free WiFi and a breakfast buffet. The ACIP won’t put their money down on any single vaccine brand, essentially saying “Get any of them — they all work.” Note the latest entry to this dizzying array of options — a recombinant egg-free quadravalent vaccine. I suspect the various Guidelines Committees are awaiting more definitive efficacy data, especially on the high-dose vs regular dose option — until then, we a study showing somewhat better response rate to the high-dose vaccine in the elderly. Some think this is enough to use the high-dose in the elderly, others don’t.
- I heard the flu season last year didn’t peak until March — is that because we’re vaccinating people earlier in the year, and their antibody protection wears off in late winter?
While there is evidence that antibody titers decrease over time after influenza immunization, this is not the reason the season peaked in March last year. Flu season peaks change year to year, usually falling somewhere in the northern hemisphere between December and March. As to why it varies like this, only the people who can predict the severity of the upcoming flu season can tell you. (Big secret: They don’t know that either.)
- I saw someone in my office recently who told me he was on a plane for 3 hours next to man who was coughing the whole time. He’s worried he might have been exposed to TB. How long should I wait before testing him?
You should test him now, to establish a baseline — especially if you don’t have a prior negative one on file. Since it takes 2-8 weeks to generate an immune response to TB after exposure — and it’s the immune response we’re measuring with both the TST and the IGRAs — guidelines suggest waiting 8-10 weeks after exposure for the second test. Remember that converting from negative to positive has a greater urgency for preventive treatment, as the risk for active disease is much greater in the first few years after acquiring TB. And while most people who are coughing a lot on planes do not have tuberculosis, I’m going to propose that airlines have the equivalent of negative air flow rooms for their coughing passengers. Can’t be too sure, right?
- I take care of patients in a capitated healthcare system, and we’re grappling what to do about hepatitis C treatment. It’s just so expensive!
If you agree that curing HCV before there’s significant liver fibrosis, cirrhosis, hepatic decompensation, cancer makes sense — and of course you do, it’s medically irrefutable — then we have to prescribe these treatments for our patients. The good news is that the cost is way down from the crazy “SIM-SOF” days of 2014, when curing a single patient of HCV could easily cost > $100,000. There are now numerous options for therapy, in particular for genotype 1, all of them more than 95% effective and many consisting of just one pill a day for 12 weeks. This wide range of choices has had the expected effect on pricing, with deep discounting off of “average wholesale price” now the expectation for all insured patients, whether their coverage is private or government payer. So if you haven’t looked into it for a while, you’ll likely be pleasantly surprised — estimates of current cost/cure are roughly $20-40,000/patient, depending on the regimen and the payer. Still a lot of money, but think of what we’re getting in return!
- Can you please continue to put fun videos on your blog?
Gladly. Meanwhile, if you have some questions appropriate for this course, post them in the comments section below, we’ll do our best to answer. And next year’s course looks like it will be October 25-27.
(Hat tip to Joe Posnanski for the video.)
October 9th, 2016
One of our medical school’s most beloved teachers gives a wonderful lecture on how to give an effective presentation. He offers many invaluable tips for a successful talk, such as 1) Show up early; 2) Know your audience; 3) Don’t read your slides; 4) Never include a slide that you need to preface by saying, “I know you can’t read this, but …”
He also cites certain “off limit” topics that could alienate you from your learners, hence best avoided if possible.
Here’s the list:
But to an ID/HIV specialist, Topic #1 is simply unavoidable. Sorry. And since we’re less than a month from wrapping up one of the most bizarre presidential races in U.S. history, Topic #2 is front-and-center in everything we do these days, and where we’re going to venture today.
The motivation is a New York Times piece published last week entitled, “Your Surgeon Is Probably a Republican, Your Psychiatrist Probably a Democrat.”
Which prompted me to offer this observation (and lightly edited figure):
So if I might edit the title, it could be, “Your Surgeon Is Probably a Republican, Your Psychiatrist Probably a Democrat, and Your ID/HIV Doctor Probably Hasn’t Voted Republican Since Lincoln.”
(Actually, that’s not quite true — but you get the idea. And it’s Psychiatry right above ID in the figure, obscured by the highlight I added.)
So now that I’m deep into these dangerous political waters, I’m wondering why we’re at the bottom of this graph. Or at the top, if you flip the question.
Two quick thoughts inspired by the article:
- ID/HIV doctors support the “safety net” culture of healthcare. Think about our AIDS Drug Assistance Program (ADAP) and Ryan White Care Act — arguably among the most successful national health programs in the country. (For the record, ADAP was the topic of the second-ever post on this site way back when, triggering all kinds of prickly comments. Glad the nice people at NEJM Journal Watch didn’t pull the plug right then and there.) And consider organizations such as Partners in Health or Médecins Sans Frontières. Or the vast number of ID doctors who devote their energies to global health, or to emerging infectious diseases, or to life-threatening outbreaks, or to diseases that disproportionately strike the poor or disenfranchised (tuberculosis, malaria, HIV, HCV, cholera, parasitic diseases), or to working in “free” clinics for sexually transmitted infections. Somehow these efforts register as more Blue than Red, don’t they?
- Money. Hey, this isn’t the first time we ID/HIV docs have been at the bottom of a figure — remember 2014, when we ranked last in salary? Things have improved for us since then, fortunately, but even with these salary gains, we’re hardly in surgical specialty territory. So there’s a strong correlation (higher salary, more likely Republican), but it’s hard to argue that this relatively low pay directly causes Democratic leanings — unless you conclude that highly paid doctors resent high taxes (which after all pay for those safety nets) more than we do.
But it’s probably more complicated than just these two factors, so would be interested in your thoughts.
And just for fun, let’s make it 3 for 3 on those prohibited topics …
September 25th, 2016
The New England Journal of Medicine recently published two outstanding pieces on hospitalists, and they had pretty much diametrically opposing perspectives.
Both should be required reading for anyone practicing medicine, and indeed anyone who might know — or be — a patient in a U.S. hospital one day.
In short, everyone.
But since you may not have time, let me give you the condensed versions:
Wachter and Goldman, “Zero to 50,000 — The 20th Anniversary of the Hospitalist”: The hospitalist movement is booming because hospitalists increase the efficiency — and possibly also the quality — of inpatient care.
Gunderman, “Hospitalists and the Decline of Comprehensive Care”: Due to the their limited training, narrow focus, and frequent shift changes, hospitalists inherently weaken the doctor-patient relationship, and may negatively impact patient care.
Both pieces make valid points, and you will probably find yourself nodding with recognition as you read each one. But rather than comprehensively review them, I want to focus first on the issue of greatest relevance to Infectious Diseases, in particular the recruitment of fellowship applicants — money! As creators of the very term “hospitalist” (they should have patented it), Wachter and Goldman provide a concise historical overview of how the field emerged out of multiple aligned forces, the first (and arguably the most important) being financial:
How could hospitalists, then, fashion careers out of a role that was economically unattractive to their colleagues? Once evidence of substantial cost savings had accumulated, health care organizations found it advantageous to have hospitalist programs, and most provided financial support to create appealing jobs with reasonable salaries.
In short, so valuable is a short length of stay to a hospital’s bottom line that essentially all hospitalist positions have subsidized salaries. They also have substantial “time off”, with many positions offering full-time salaries for part-time hours — 7-on, 7-off is a popular (if much-debated) model.
Tough for ID (or any non-procedural specialty) to compete! Indeed, many cite the abundant well-paying hospitalist positions available to internal medicine graduates as the primary driver of the decline in applications to ID and nephrology programs. In an interview I conducted with fellow ID-docs Wendy Armstrong and Mike Edmond recently on Open Forum Infectious Diseases, both brought their A-game (listen!), and what Mike said about hospitalists vs ID positions rings particularly true:
We are seeing an increase in debt burden for students as they complete medical school and go into residency, so that factor is becoming a heavy one on their minds. We have a lack of salary parity with fields that require less training than being a subspecialist in infectious diseases … ID is essentially asking people to do more training in order to make less money, and I think for many residents in internal medicine that’s just a non-starter.
But there’s hope for us yet, and it’s primarily because some of those in hospitalist work are doing so not because of the work itself, but for other reasons.
While I must emphasize that there are many hospitalists who have chosen the field because it’s an excellent way to be directly involved in patient care and, often, quality improvement, teaching, and clinical research, some are doing it primarily for the money because they must — they have too much medical school debt. If so, there’s a decent chance that the hospitalist position will eventually prove something less than career (or soul) nurturing.
For another group, the choice is also expedient — this is good money for part-time work. For this group, it’s not hospitalist work as a career destination, but primarily a way to subsidize their other medical or non-medical activities that are less remunerative — international work, teaching, business start-ups, administrative aspirations, novel-writing.
As an example of the latter, how about U.S. Surgeon General, Dr. Vivek Murthy? He was an excellent hospitalist at the Brigham (brush with greatness, I know) for several years, primarily while pursuing the activities cited in his official biography in his “time off”. It’s either appropriate — or ironic — that he’s cited by Wachter and Goldman as validation for the prestige of the hospitalist position!
Getting back to ID, we’re smack dab in the middle of fellowship interviews, and I’m pleased to report that we still see outstanding applicants to our field — superb clinicians, brilliant researchers, esteemed teachers, thoughtful humanists.
And a substantial number of them have spent the last year or two as hospitalists. They have used those temporary positions to pay-down some of their medical school debt so that they can eventually train in the field that they’ve always loved — ID. They are excited to begin exploring ID in depth, and often somewhat disgruntled by the churn of admissions and discharges that is inpatient medicine in 2016.
Full disclosure, this “hospitalist bounce-back” phenomenon is anecdotal — I don’t have actual numbers to back this up.
But I’m curious to hear if others are experiencing the same thing, both in ID and other fields.
Now for a different kind of “bounce-back”…
September 18th, 2016
Ten Years After Landmark HIV Testing Guidelines, How Are We Doing? Specifically in Emergency Departments?
Those clinical details aren’t so remarkable — “late” diagnoses of HIV still happen, and happened even more back then. What’s remarkable is what happened to him before he got admitted.
As an (early) freelance web designer, he had no medical insurance, and received his infrequent care through an emergency department at a hospital near his apartment. He had gone there around a month before we admitted him with cough and weight loss; no pneumonia was seen on his CXR at that point. He told the doctor who saw him that he was worried he had AIDS since he was a gay man and hadn’t been tested in many years.
According to the patient, the doctor there told him that he was right to be concerned, but that the policy of the ED was that they could not do HIV tests. He urged him to see a primary care doctor soon after discharge from the ED to get this checked.
Never happened — he didn’t have a primary care provider. His illness smouldered along for a while, until it became severe enough that he was admitted here with pneumonia. He said repeatedly that if he knew he was HIV positive, then he would have sought care much earlier.
When I told this story to someone from our ED way back then, they said the same thing — that it was a “policy” (unwritten, but widely agreed upon) that they should not send HIV tests, even if they clinically suspected a patient had AIDS.
One of our current Emergency Medicine doctors, Kelli O’Laughlin, explains:
Historically there is a sentiment in emergency medicine that energy and resources in the emergency department should be reserved for dealing with urgent medical conditions rather than on diagnosis of chronic medical issues. Additionally, emergency medicine clinicians have avoided testing patients in the ED for HIV because of the concern results will return when the patient is no longer in the ED. This can make it challenging to share results with the patient, which can expose physicians to legal risks. Other barriers to HIV testing in the ED include lack of provider knowledge and comfort with pre-test counseling and post-test counseling.
Well a lot has changed with HIV testing since the late 1990s, most notably the landmark CDC HIV testing guidelines, issued almost exactly 10 years ago today. (Happy 10th Birthday!) Those guidelines have been critical in reducing the proportion of people in the USA with HIV who are unaware of their status (now around 10-15%), allowing those with HIV to get life-saving treatment before getting AIDS-related complications, and preventing further HIV transmissions.
While the guidelines are often cited for recommending an HIV test for most US adults and removing the requirement for written informed consent, just as important was that they specified where HIV testing should take place — namely “all health-care settings.” If that’s not clear enough, this is:
The recommendations are intended for providers in all health-care settings, including hospital EDs [emphasis mine], urgent-care clinics, inpatient services, STD clinics or other venues offering clinical STD services, tuberculosis (TB) clinics, substance abuse treatment clinics, other public health clinics, community clinics, correctional health-care facilities, and primary care settings.
I don’t think it’s an accident that hospital EDs are listed first among health-care settings in the CDC testing guidelines. As noted here:
HIV disproportionately affects populations that are likely to be without a regular source of care or have a history of barriers to care, which may contribute to delayed diagnosis and further transmission of HIV. Many are dependent on the public sector for the financing and delivery of their care. … Consequently, EDs — whose patients include large numbers of underinsured and uninsured — are likely the only source of health care for many people with HIV or at risk for HIV.
And what about guidelines about HIV testing specifically from the American College of Emergency Physicians? They’re in agreement, and have been since 2007.
This post is undoubtedly “preaching to the choir” — who reads an ID/HIV blog, after all? — but the main reason I’m writing it is not just because of the impending 10 year anniversary of the CDC guidelines, but to underscore just how difficult the culture shift has been in certain EDs around the country.
Including, ahem, ours. And, since misery loves company, the situation is even worse at one of our “partner” hospitals (which will go unnamed, but is also commonly abbreviated with three letters).
Despite CDC recommendations for HIV screening in health-care settings, in our own emergency department, ironically, we do not have processes or systems in place to make HIV testing efficient. We cannot ensure that abnormal results will reach the patient. I experienced this problem over a year ago when a patient I tested for HIV was discharged from our emergency department observation unit without receiving his/her abnormal result of the initial HIV screening test. Fortunately we were able to locate this patient shortly after. Motivated both by the gap between CDC recommendations and our practice, as well as this individual case, I worked with colleagues to establish the HIV Testing in the ED Committee.
I’m confident that with Kelli’s leadership, it will become a reality soon. Already I can tell that our ED clinicians are ordering more HIV tests, and we’ve been collaborating with them to ensure that any positive results are given an expedited evaluation by an ID doctor.
What’s the situation where you work?
September 11th, 2016
During my last post on the new HIV testing algorithm, I mentioned that I’d recently met a doctor named “Morgan” for the first time. I also provided actual data why this might be an unusual name for a doctor today, but, rarity notwithstanding, we should anticipate more examples of “Morgan —-, MD” soon.
At the end of the post, I wrote: “And if there are any other doctors named Morgan out there, I look forward to hearing from you.”
The topic prompted a curious series of emails between certain esteemed editors at NEJM Journal Watch and me. Below, a (heavily edited and augmented, but bones are unchanged) version for your perusal:
Esteemed Editor #1 (EE#1): Hey, did you hear from any doctors named Morgan?
Me: Not yet. But in 10 years — there will be plenty! They will be banging down my door! Look at that graph! It really does seem to be a “generational” kind of name … You must know plenty of Morgans. [She’s much younger than I, hence my comment.]
EE#1: I personally know ZERO Morgans.
Me: Hey, how old are you? I’m figuring that most Morgans are in their late-20s-30s around now. My nephew is getting married this weekend, he’s around 30. Bet he knows some Morgans.
EE#1: Almost 46!!!! [Note the 4 exclamation points.] I could have a kid named Morgan. But all of my imaginary kids are named something else.
Esteemed Editor #2 (EE#2), who has been cc’d on these critical emails, but thus far is playing it cool: Are you implying that you think we are in our 20s? If so, we will love you forever. The only Morgan I know is the one from the Mindy Project.
Esteemed Editor #3 (EE#3), who’s also been cc’d and now can’t resist weighing in: Morgan Fairchild… not a millennial. Born in 1950! [The internet is cruel.]
EE#1: Yeah, pretty much the only one I’m familiar with.
Me: Morgan Freeman too, though I think of Morgan Fairchild as the true pioneer in the Morganization of the USA. And let’s face it, most of the young Morgans out there are females.
EE#1: Right, it’s a unisex name. But more XX than XY recently.
EE#2: I can’t believe I forgot about Morgan Freeman! And he won an Academy Award, didn’t he?
Me: It was for The Shawshank Redemption. [I don’t really know this, but state it very confidently, at least if there’s an email equivalence of confidence. Guys love “The Shawshank Redemption.” And I’m counting on the fact that we’re all so “busy” — as evidenced by these emails — that they’ll never fact-check me. Oh well.]
EE#1: Wrong! Per Wikipedia: “Freeman won an Academy Award in 2005 for Best Supporting Actor with Million Dollar Baby (2004), and he has received Oscar nominations for his performances in Street Smart (1987), Driving Miss Daisy (1989), The Shawshank Redemption (1994) and Invictus (2009).” So nominated for Shawshank, but didn’t win. In fact, nominated for a lot!
Me: Did you fact-check Wikipedia? [I got no response to that one.] Our readers would think I’d completely lost my mind if I wrote another blog post about doctors and Morgan, but there just might be enough material here.
EE#1: Well, I’m the blog manager for your blog (and technically I report into EE#2 for this portion of my job). So, she might object to your Morgan-obsession. : ) I’ll defer the final decision …
EE#2: No objection from me! Make it hilarious. [That will be your assessment. I’m doing my best!]
EE#1: Maybe do a two-topic post, in which Morgan is only one of the topics.
Me: Actually, I was just kidding.
EE#1: Darn, I wish you were serious! Have a nice evening, all!
ID doctors, of course, are probably wondering, in our geeky way, about whether this all started with Morganella morganii, which is possibly fueling my obsession. Double Morgans, after all! And there’s a pretty famous comic with a Dr. Morgan name (see above picture), but his first name is Rex. Emphatically not Morgan.
On the subject of comics, it’s time to vote on your favorite caption for our last cartoon. After culling through the entries and submitting them to the usual rigorous testing, we’ve arrived at 3 top candidates for this fine drawing. Please vote!
September 4th, 2016
A 28yo woman had a positive 4th gen +Ag/Ab assay, but a negative HIV-1/2 differentiation assay and negative HIV viral load. She had no signs of acute HIV, but is not using condoms with her partner, whose HIV status she doesn’t know. We repeated the test yesterday and she is again Ag/Ab+, the remainder of the test is pending. If we get the same results again, would you try to get a Western blot?
[Not her real name, but I did just meet a doctor named “Morgan” for the first time, so feel compelled to comment here. If you look at this name popularity graph, I guess we have an explanation for the rarity of this name among MDs to date. Did you know Morgan was the 30th most common girl’s name in the USA during the 1990s? So expect more Morgan MDs soon!]
“Morgan’s” question has come up numerous times since the new algorithm kicked in, and it reflects a misunderstanding of what the newer tests can and can’t do.
Remember, the big advance in moving from the 3rd to the 4th generation screening test was the addition of p24 antigen to the sensitive ELISA antibody. This shortens the window period from HIV acquisition to a positive screening test by about a week.
The second big change is that the confirmatory test is now a differentiation assay, an antibody test that tells us if the person has HIV-1 or HIV-2 — the Western blot couldn’t do that. If it’s negative, an HIV RNA (viral load or other nucleic acid test, NAT) is recommended, since the screening test (with its antigen component) is more sensitive early in disease than the differentiation assay. Importantly, the Western blot — may it R.I.P. — offers no advantage in sensitivity over the FDA-licensed differentiation assay (in fact, it’s a bit worse), so won’t be of help in these cases.
However, if the HIV RNA is negative, then we’re dealing with a false-positive screening test, and this is exactly the scenario in the email. For relatively low-risk patients, this is a far more common explanation for the positive 4th generation screen/negative differentiation assay pattern than true acute HIV infection, just as it was for a reactive ELISA with negative Western blot.
How much more common? In this review (pages 34–36) by the primary architect of the algorithm, Bernie Branson, we get some numbers:
The specificities of 4th generation HIV assays are >99.6% — which means that as many as 40 per 10,000 test results may be false-positive. In most populations of persons testing for HIV, the prevalence of acute HIV infection is 2 per 10,000 persons tested or less. Thus, the frequency of false-positive immunoassay results usually far exceeds the prevalence of acute HIV infection.
For those who prefer all this stuff explained graphically, here’s the key figure from the latest HIV testing guidelines; I’ve highlighted this case’s results in bright fluorescent pink:
- The 4th generation screening test shortens the window period after HIV acquisition.
- The differentiation assay tells us if the person has antibodies to HIV-1 or HIV-2.
- In screening test positive/differentiation test negative cases, the next step is an HIV RNA (or other NAT).
- Most (but not all) will have a negative HIV RNA, and therefore don’t have HIV.
In other words, false-positive screening tests will continue to happen — even with the new algorithm.
Thank you very much for your attention, and enjoy this amazing video, which must have taken its creator many, MANY hours to complete. Wow.
And if there are any other doctors named Morgan out there, I look forward to hearing from you.
(H/T to IMS for the video, though it looks like at least 24 million people have beaten us to it.)
August 27th, 2016
All blogs worth the price of admission have a sidebar, and this one is no exception.
Critical components include (but are not limited to) the following:
- The Option to Subscribe — Go ahead, you know you want to. It’s right over there to the right. Just enter your email address and click subscribe — no username, password, or two-step verification required. Then, kind of like colonization resistance, the notifications you’ll get of a latest post here will help crowd out those dubious invitations to conferences in China, Dubai, or Malaysia, the requests to submit papers for the The Journal of Infectious and Non-Infectious Diseases, and the people who are trying to sell us CRISPR reagents.
- The Search Box, where you can enter diverse topics such as “Should I curbside ID about whether to give the rabies vaccine?” or “Why does he hate the term HAART?”
- The Most Popular Posts list, which here is called, “Most Commented,” with another tab for “Most Read.”
In case it wasn’t obvious enough, I’ve highlighted that the first ID Cartoon Caption contest drew quite a response. If we add in entries that were sent to me directly via email, there were well over 200 submissions. Not bad for a debut performance.
Anyway, here’s the winner of ID Cartoon Caption Contest #1:
The winner was Dr. Michael Dantzer, who has kindly given me permission to use his real name (I assume it’s his real name). As promised, he gets a free lifetime subscription to this blog and, of course, lasting fame and fortune.
He also sent me a nice note praising my excellent sense of humor in picking his entry as a finalist. It should be noted, however, that the selection of his entry as a finalist relied not so much on my subjective sense of what’s funny, but a highly complex algorithm that includes not only scientifically validated humor criteria but also gas liquid chromatography and multiplex PCR.
Anyway, it’s high time for a new contest. Summer is about to end, Labor Day cookouts loom, and we must be vigilant to the ever rising threat of both foodborne pathogens and carcinogenic heterocyclic amines:
Go at it. Put your entries in the comments section (preferred), on my Twitter feed, or email it directly to email@example.com.
(Drawing by Anne Sax, of course.)
August 19th, 2016
If you search “Are vacations good for you?,” you’ll find overwhelming support for time off.
It’s as if journalists and the travel industry were in cahoots, together trying to urge us to take vacations, the longer or more frequent the better.
Hey, I get it. Time to reconnect with family and friends, to recharge those batteries, to get a fresh perspective on both work and life, to explore new challenges … yadda yadda yadda. The list of benefits is so long that it seems cliched to write them, so I’m going to stop there.
But you know what? That pre-vacation scramble to make sure things are settled just right before you go — that’s no fun at all.
And if you’re a typical doctor/nurse/PA, you probably are plenty detail oriented. ID doctors in particular will know that “detail oriented” barely begins to describe their obsessive attention to the minutiae of their everyday practice and life — and that includes establishing whether the culture was positive for M. abscessus or M. abscessus subspecies bolletii, making sure the out-of-office message conveys just the right information about when/where/how long that time away will be, and whether they’ve left clear directions to the person they’ve hired to feed the cat.
After all, how can you go on vacation if you’ve still not figured out how to get Mrs. Smith’s vancomycin level between 15 and 20? Or informed Mr. Jones that the last viral load that came back at 23 copies/mL (instead of “not detected,” as usual) is no cause for alarm?
The Big Secret, of course, it that nothing is ever completely settled, whether we go on vacation or not. So we may as well take some time off, which is what I’m about to do (hence this post).
But it also gives me a chance to share this funny (at least I think it’s funny) text, sent to me by an ID colleague who runs the Antibiotic Stewardship Program at another hospital. For non-ID readers out there, these programs (generally run by ID doctors) aim to guide clinicians to the most rational use of antibiotics, in particular to avoid inappropriate use of broad-spectrum therapy, reducing the risk of bacterial resistance (a very bad global problem).
He was scurrying around trying to finish up some work before leaving on vacation, and received this series of messages from a hospitalist who was trying to consult him one last time before he left:
Safe to say he responded to her at 9:11!
August 15th, 2016
- How soon will we be able to look back at contact precautions for MRSA and VRE and laugh at our folly?
- Are we again recommending antibiotics after incision and drainage of uncomplicated skin abscesses? Hard to keep track of this one. Maybe because there’s no right answer for everyone.
- What’s the best shorthand/abbreviation for “Fourth-Generation combination HIV-1 antigen/HIV-1/2 antibody immunoassay?” Boy I’m tired of writing that. How about, “HIV screening blood test” (with all the rest of the stuff implied)?
- What proportion of those with a diagnosis of both Lyme and bartonella actually have neither?
- If dalbavancin and oritavancin weren’t so expensive — say, $500/course instead of $3000-5000 — how much would we use? (I think a lot.)
- If Sporothrix schenckii had a different name, would such a high percentage of clinicians remember its association with rose thorns? “Sporotrichosis” just sounds like a disease you get from something sharp and prickly. Oh, and sphagnum moss (not sharp and prickly) and cats (could be) are also sources, for you trivia buffs.
- What percentage of our ID consult notes are actually read by surgical consultants? Regardless — what do they think of them? Especially the really long ones.
- In community acquired pneumonia severe enough to require admission, how often are antibiotics stopped after a specific viral infection is diagnosed using molecular studies? Seems to work in kids and adults for “respiratory infections”, but for admitted patients with pneumonia? Unclear, but I’d still value the information.
- Will anyone ever figure out what is causing that outbreak of Elizabethkingia anophelis in the Midwest?
- Why isn’t there more drug development for non-tuberculous mycobacteria? Gosh darn it, there’s a clinical need here. Hey there, you medicinal chemists, lab-based ID scientists, and PhDs, get on it!
- The HIV primary care guidelines recommend “anal pap tests” as a screen for anal cancer — but how often should they be done? Can anyone in good conscious suggest a test be done annually (for example) that hasn’t yet been proven to prevent cancer or improve clinical outcomes?
- Will there ever be a flu vaccine you don’t need to repeat every year? I can dream, can’t I? Or lower hanging fruit — a better mumps vaccine?
- Who will figure out how to make an ID-approved, well-done hamburger that doesn’t taste like charred sawdust?
- In the sofosbuvir combination treatments for HCV, which of the two drugs should be said first? I’ve been saying “LDV-SOF” (spelling out the “LDV”) and “VEL-SOF” (saying “VEL”), but have noticed all kinds of variations. You could do the brand names, but please. The direct-to-patient ads for LDV-SOF are almost as common as those for razors and pickup trucks.
- With all the controversy about the Rio Olympics, Zika, and contaminated water, is there any ID-related sports story more bizarre than the leptospirosis-poisoned tennis player? Hey — it gives me first-time chance to link the British Sun, that fine example of responsible journalism. Am sure they would welcome the web traffic from here, though perhaps be a bit surprised to get it.
- How many of those “antigen-positive, toxin negative, PCR positive” patients treated for C diff really don’t have C diff at all? If you don’t know what I’m talking about, read this.
- Will I ever remember — without struggling to come up with the specific name — that Haemophilus aphrophilus is now Aggregatibacter aphrophilus and Aggregatibacter segnis? Some facts just might be for nimble young minds only, but am making this one my personal obsession.
- Will TAF/FTC work for PrEP? Good question for a clinical trial!
- Is there anything more predictable than 1) a scientific paper finding bacteria on some household item, then: 2) the media getting all grossed out by the research, minimal clinical implications notwithstanding? Latest example — your coffee maker drip tray! Ewww!
- How long before there’s a reported antibiotic shortage do the manufacturers know it’s coming? I’m thinking about you, cefepime makers! It’s not as if demand for this drug was low.
- How many “First Zika Transmission in [insert Southern US City here] Reported” will we see this year? And how many incredibly difficult to carry out pregnancy recommendations?
- When will IGRAs completely replace tuberculin skin testing? Not saying that they are more accurate, just that they’re so much easier. Might be a downside in the healthcare screening setting — too many false-positives over time.
That’s enough for now. Need to stay cool … just like the 400-year-old shark, pictured above.
And it’s not easy being funny in 140 characters. But some people succeed brilliantly!