Are antibiotics necessary after 48 hours of improvement in infected/septic abortions? A randomized controlled trial followed by a cohort study.

Ricardo F Savaris, Gisele S de Moraes, Rafael A Cristovam, R Daniel Braun

Departamento e Serviço de Ginecologia e Obstetrícia, Universidade Federal do Rio Grande do Sul-Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil. rsavaris@hcpa.ufrgs.br

American journal of obstetrics and gynecology 2011 Apr

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We sought to investigate whether oral antibiotics are necessary, after 48 hours of clinical improvement, in uncomplicated septic abortion. In a randomized double-blind clinical trial, 56 women with uncomplicated septic abortion were treated with intravenous antibiotics, followed by uterine evacuation. On hospital discharge (day 1), patients were randomized to receive either oral doxycycline plus metronidazole or placebo, until completing 10 days of treatment. Clinical cure was defined by the absence of fever (<37.7°C), reduced vaginal bleeding, and minimal or no pelvic pain. Cure was observed in all 56 patients. The institutional review board stopped the treatment arm as it was adding risk with no further benefit to the patients. An observational cohort with additional 75 cases was followed up in the no treatment arm and no failure was identified (probability of an adverse event, 0%; 95% confidence interval, 0-0.03). After 48 hours of clinical improvement, antibiotics may not be necessary. Copyright © 2011 Mosby, Inc. All rights reserved.

Citation

Ricardo F Savaris, Gisele S de Moraes, Rafael A Cristovam, R Daniel Braun. Are antibiotics necessary after 48 hours of improvement in infected/septic abortions? A randomized controlled trial followed by a cohort study. American journal of obstetrics and gynecology. 2011 Apr;204(4):301.e1-5