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PubMed · 2694622

Update on pseudomembranous colitis.

J Silva
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Abstract

These discussions are selected from the weekly staff conferences in the Department of Medicine, University of California, San Francisco. Taken from transcriptions, they are prepared by Homer A. Boushey, MD, Professor of Medicine, under the direction of Lloyd H. Smith, Jr, MD, Professor of Medicine and Associate Dean in the School of Medicine. Requests for reprints should be sent to the Department of Medicine, University of California, San Francisco, School of Medicine, San Francisco, CA 94143.

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Enterocolitis, PseudomembranousHumansMetronidazolePatient IsolationUnited StatesVancomycinJournal ArticleReview

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J Silva. 1989. Update on pseudomembranous colitis.. https://pubmed.ncbi.nlm.nih.gov/2694622/

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Epidemiology and outcome of "early-onset" vs "late-onset" necrotizing enterocolitis.

OBJECTIVE: We hypothesized that among neonates with necrotizing enterocolitis (NEC), important epidemiologic and outcome differences exist between those with early-onset vs. those with late-onset NEC. METHODS: We reviewed all records of neonates cared for in the King Fahad University Hospital during the past ten years who had the diagnosis of NEC. We separated cases into two groups depending on age at diagnosis. Specifically, we termed "early-onset" those cases diagnosed during the first seven days of life, and "late-onset" those diagnosed thereafter. We compared, in the two groups, gestational age, clinical signs at onset, laboratory data, surgical findings, complications, and mortality. RESULTS: From 1989 to 1999, 37 cases of stage IIa (or higher) NEC were diagnosed; 25 "early-onset" and 12 "late-onset". Neonates with "early-onset" NEC were more mature (35.4 +/- 2.5 weeks gestation) than those with "late-onset" (27.7 +/- 2.8 weeks, P=0.0001), were more likely to have feedings begun in the first 48 hours of life (P = 0.0002), and more likely to have feeding increments of >25 ml/kg/day (P=0.03). Neonates with "late-onset" NEC were more likely to present with vomiting (P=0.003) and apnea (P=0.001), and were more likely to have ileal rather than colonic necrotic lesions, short bowel syndrome, and mortality (P=0.03). CONCLUSION: During the past 10 years at the King Fahad University Hospital, cases of early- and late-onset NEC have had distinct epidemiologic and outcome features. Recognizing these differences may be useful in prognostication and counseling.

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Clostridium difficile (C. difficile) colitis accounts for nearly 15-20 % of antibiotic-associated diarrhea. Manifestations include asymptomatic carriage, self-limited diarrhea, and pseudomembranous colitis, which is sometimes life-threatening. Despite effective therapy with metronidazole and vancomycin relapse rates are 15-33 %. Although colitis is seen in critically ill patients treated with combinations of broad-spectrum antibiotics, reports describing severe sepsis as a result of C. difficile infection are limited. We describe the case of recurrent severe sepsis due to recurrent local intestinal C. difficile infection as the only identifiable etiology. The mechanism of severe sepsis may be a derangement of the gastrointestinal barrier function. This could result in absorption of microbes or endotoxin or activation of inflammatory cascades in the submucosa of the intestine or liver. In general, for successful treatment of C. difficile infections other than anticlostridial antibiotics should be discontinued. However, in the present case bacterial translocation from the intestine is an attractive explanation for severe sepsis and therefore additional antibiotics had been administered.

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