Tuesday, March 26, 2013
How to perform a fecal transplant--why make this so very difficult?
Fecal transplant, thanks to the recent article out of the Netherlands in the New England Journal of Medicine, has made it to the front page, the big time. In my inbox today was a link to a how-to article from Medscape from a doctor from Eastern Virginia Medical School who apparently does the occasional fecal transplant for recurrent Clostridium difficile colitis.
In this article, the author says that one must do $500 worth of testing on the donor, then make up a particle free stool slurry of stool and non-bacteriostatic saline under a hood (due to the biohazard aspects of making poop soup) filter it and instill the mixture via a colonoscope to the patient who has taken 3 gallons of polyethylene glycol solution and preferably had only clear liquids for 2 days. He says that the procedure should only be done for patients who have had C. difficile for 3 months which has not responded to antibiotic therapy.
There is no evidence to suggest that giving donor feces by colonoscopy is any better than giving it by low volume enema, at home, or by nasogastric tube. Colonoscopy carries significant risks: anesthesia is risky and colonoscopes can cause perforation and bleeding. Colonoscopies are expensive. The recent article in the New England Journal used a naso-duodenal tube, not a colonoscope.
There is reasonable evidence that fecal transplant is effective for treatment of ulcerative colitis, an autoimmune disease of the colon that causes chronic disability, colon cancer and internal bleeding. Acute C. difficile claims many lives, and there is abundant experience of treating it with fecal transplant. Limiting this therapy to chronic cases seems a bit excessively restrictive.
The author of the Medscape article notes that some of the patients in the recent trial of fecal microbiota transplantation developed new diseases, some of them autoimmune, which might have been related to the transplants. It seems unlikely, but I would also wonder whether some of the patients found that more problems than just their C. difficile were resolved. Much is still not known and will only be revealed as more research is done with larger groups of patients.
As far as the $500 of tests that need to be done on the donor, I wonder if perhaps some of these could be eliminated. Clearly the donor should be checked for body fluid transmitted diseases such as HIV and hepatitis, though a family donor of known low risk (a child, for instance) might safely be presumed to be uninfected. Extensive stool testing for bacteria and parasites in a donor with no intestinal difficulties might also be unnecessary, especially if that person's history was well known.
As far as the actual logistics of delivering donor stool to recipient colon, I suspect nothing more than a commercially available enema bag and tubing would be necessary. The soup to be delivered could probably be easily and cleanly mixed up in a Ziploc bag, with no need for a blender. As far as preparation with a clear liquid diet and gallons of polyethylene glycol, I am curious to see evidence that supports this (I don't think there is any, yet). Cleaning out the bad bugs seems like a good approach, but patients get very weak after a standard colonoscopy prep so a prep that includes days of fasting plus more polyethylene glycol might lead to its own problems.
I am starting to think about the nuts and bolts of all of this because, as a hospital physician, I will soon be faced with a patient for whom fecal transplant will be an obvious life-saving intervention, and I will have to figure out how to do it with as little fuss as possible. It will be unethical for me to allow someone to die when antibiotics fail, as they so often do, when evidence shows that a fecal enema would probably be curative. 
Janice Boughton, MD, ACP Member, practiced in the Seattle area for four years and in rural Idaho for 17 years before deciding to take a few years off to see more places, learn more about medicine and increase her knowledge base and perspective by practicing hospital and primary care medicine as a locum tenens physician. She lives in Idaho when not traveling. Disturbed by various aspects of the practice of medicine that make no sense and concerned about the cost of providing health care to every American, she blogs at Why is American Health care so expensive?, where this post originally appeared.
Labels: c-difficile, gastroenterology, guest post, Janice Boughton, Why is American health care so expensive?
posted by Janice Boughton, MD, FACP at
11:00 AM
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Members of the American College of Physicians contribute posts from their own sites to ACP Internistand ACP Hospitalist. Contributors include:
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Albert Fuchs, MD, FACP, graduated from the
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Amanda Xi, ACP Medical
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of Medicine, charter class of 2015, in Rochester, Mich., from which
she which chronicles her journey through medical training from day
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Ira S. Nash,
MD, FACP, is the senior vice president and executive director of the North Shore-LIJ
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Shore-LIJ School of Medicine. He is Board Certified in Internal Medicine and
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Zackary Berger
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Controversies in Hospital
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Suneel Dhand, MD, ACP Member
Suneel Dhand, MD,
ACP Member, is a practicing physician in Massachusetts. He has published numerous
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Juliet K. Mavromatis, MD, FACP, provides a conversation about
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Matthew Mintz, MD, FACP, has practiced internal medicine for more
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Everything
Health
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Ryan Madanick, MD, ACP Member, is a gastroenterologist at the
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William Hersh, MD, FACP, Professor and Chair, Department of Medical
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David Katz, MD
David L. Katz, MD, MPH, FACP, is an internationally renowned
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Just Oncology
Richard Just, MD, ACP Member, has 36 years in clinical practice of
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KevinMD
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Mired in MedEd
Alexander M.
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Rob Lamberts, MD, ACP Member, a med-peds and general practice
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David M. Sack, MD, FACP, practices general gastroenterology at a
small community hospital in Connecticut. His blog is a series of
musings on medicine, medical care, the health care system and
medical ethics, in no particular order.
Reflections of a Grady
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Kimberly Manning, MD, FACP, reflects on the personal side of being
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The Blog of Paul Sufka
Paul Sufka,
MD, ACP Member, is a board certified rheumatologist in St. Paul,
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University of Minnesota and then completed his fellowship training
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Department of Rheumatology. His interests include the use of
technology in medicine.
Technology in (Medical)
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Neil Mehta, MBBS, MS, FACP, is interested in use of technology in
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Peter A. Lipson,
MD
Peter A. Lipson, MD, ACP Member, is a practicing internist and
teaching physician in Southeast Michigan. The blog, which has been
around in various forms since 2007, offers musings on the
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Why is American Health Care So Expensive?
Janice
Boughton, MD, FACP, practiced internal medicine for 20 years before
adopting a career in hospital and primary care medicine as a locum
tenens physician. She lives in Idaho when not traveling.
World's Best Site
Daniel Ginsberg, MD,
FACP, is an internal medicine physician who has avidly applied
computers to medicine since 1986, when he first wrote medically
oriented computer programs. He is in practice in Tacoma,
Washington.
Other blogs of note:
American Journal of
Medicine
Also known as the Green Journal, the American Journal of Medicine
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A collaborative medical blog started by Neil Shapiro, MD, ACP
Member, associate program director at New York University Medical
Center's internal medicine residency program. Faculty, residents
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Interact MD
Michael Benjamin, MD, ACP member, doesn't accept industry money so
he can create an independent, clinician-reviewed space on the
Internet for physicians to report and comment on the medical news
of the day.
PLoS Blog
The Public Library of Science's open access materials include a
blog.
White Coat
Rants
One of the most popular anonymous blogs written by an emergency
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