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Fecal transplant replants microbial garden

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Quinn Eastman

Emory physicians explain how FMT (fecal microbial transplant) restores microbial balance when someone's internal garden has been disrupted.

FMT has become accepted as a treatment for recurrent Clostridium difficile infection. Now a new study is testing whether it can head off other antibiotic-resistant infections in kidney transplant patients.

When facing a life-threatening infection, the "yuck factor" is a minor concern. Fecal microbiota transplant (FMT for short) has become an accepted treatment for recurrent Clostridium difficile infection, which can cause severe diarrhea and intestinal inflammation.

In a new video, Emory physicians Colleen Kraft and Tanvi Dhere explain how FMT restores microbial balance when someone's internal garden has been disrupted.

C. difficile or "C diff" is a hardy bacterium that can barge into the intestines after another infection has been treated with antibiotics, when competition for real estate is low. In the last few years, doctors around the world have shown that FMT can resolve recurrent C diff infection better than antibiotics alone.

At Emory, Kraft and Dhere have performed almost 300 FMTs and report a 95 percent success rate when treating recurrent C diff. They have established a standard slate of stool donors, whose health is carefully screened.

Building on their experience with the procedure, Kraft and Dhere are studying whether FMT can head off other antibiotic-resistant infections besides C diff in kidney transplant patients. They have teamed up with infectious disease specialists Aneesh Mehta and Rachel Friedman-Moraco to conduct this study.

Kidney transplant recipients must take drugs to prevent immune rejection of their new kidneys. Those drugs suppress the body's ability to fight infections. As a result, kidney transplant recipients are exposed to a lot of antibiotics and are at higher risk for acquiring multi-drug resistant infections.

The most common bacterial infections requiring hospitalization after kidney transplant are urinary tract infections, which can lead to impaired graft function, graft rejection and even deadly sepsis.

FMT has been previously performed at Emory with organ transplant patients and immunocompromised patients. The new study is for kidney transplant recipients who test positive for carbapenem-resistant Enterobacteriaceae (CRE) and/or vancomycin-resistant Enterococcus (VRE). Doctors will test if FMT can displace the antibiotic-resistant bacteria, so that last-resort antibiotics are not necessary. More information about the trial is available here.

Video produced by Damon Meharg with graphics by Satyen Tripathi.


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