• Sara G Brubaker, Alexander M Friedman, Kirsten Lawrence Cleary, Eri Prendergast, Mary E D'Alton, Cande V Ananth, and Jason D Wright.
• Divisions of Maternal-Fetal Medicine and Gynecologic Oncology, Department of Obstetrics and Gynecology, College of Physicians and Surgeons, and the Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York.
• Obstet Gynecol. 2014 Aug 1; 124 (2 Pt 1): 338-344.

ObjectivePerioperative antibiotics are recommended during cesarean delivery to reduce the risk of postoperative infections and resulting maternal morbidity. We examined the patterns of use and predictors of receipt of antibiotics in women undergoing cesarean delivery.MethodsWe identified a national cohort of women who underwent a cesarean delivery between 2003 and 2010 using a commercial hospitalization database. Women who received antibiotics on the day of cesarean delivery were classified as having received perioperative antibiotics. Multivariable regression models were developed to account for patient, obstetric, physician, and hospital factors on receipt of antibiotics. Between-hospital variation was calculated using generalized linear mixed models.ResultsAmong 1,137,804 women who underwent cesarean delivery, 59.5% received perioperative antibiotics. The proportion of patients receiving antibiotics increased over time from 52.5% in 2003 to 63.1% in 2010 (P<.001) and varied significantly by geographic region. Women who did not labor were more likely to receive antibiotics than those who had a cesarean delivery after labor (66% compared with 44%, P<.001). Age, race, and insurance status were not major determinants of the use of perioperative antibiotics.ConclusionAmong women undergoing cesarean delivery, compliance with the recommendation for universal perioperative antibiotic prophylaxis is poor. Coordinated efforts are needed to enhance use of guideline-based perioperative antibiotic prophylaxis for women undergoing cesarean delivery.Level Of EvidenceIII.

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