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Obstet Gynecol. 2003 Jun;101(6):1183-9.

Randomized clinical trial of extended spectrum antibiotic prophylaxis with coverage for Ureaplasma urealyticum to reduce post-cesarean delivery endometritis.

Author information

1
Department of Obstetrics and Gynecology, Center for Research in Women's Health, University of Alabama at Birmingham, Birmingham, Alabama 35249-7333, USA. wandrews@uab.edu

Abstract

OBJECTIVE:

To determine if extended spectrum prophylactic antibiotic treatment (with efficacy against Ureaplasma urealyticum) reduces post-cesarean delivery clinical endometritis.

METHODS:

After cord clamping at cesarean delivery, subjects received prophylaxis with cefotetan. Subjects were then simultaneously randomized (double blind) to receive doxycyline plus azithromycin versus placebo. Post-cesarean delivery endometritis was defined clinically as fever of 100.4F or higher with one or more supporting clinical signs or a physician diagnosis of endometritis plus the absence of a nonpelvic source of fever.

RESULTS:

A total of 597 women were enrolled, 301 in the doxycycline/azithromycin group and 296 in the placebo group. The study population was 56% black, 25.5 +/- 6.2 years of age, and 43% nulliparous. The groups were similar (P >.05) for black race, parity, maternal age, and most risk factors for post-cesarean delivery endometritis. The frequency of post-cesarean delivery endometritis (16.9% versus 24.7%, P =.020), wound infections (0.8% versus 3.6%, P =.030), and a combination of these two outcomes (19.0% versus 27.8%, P =.019) were significantly lower in the doxycycline/azithromycin group compared with the placebo-treated group. The doxycycline/azithromycin versus placebo groups were dissimilar for maternal leukocytosis (24.9% versus 12.5%, P =.042) and frequency of classic uterine incision (7.6% versus 12.5%, P =.048). Adjusting for these factors did not alter the risk ratio for post-cesarean delivery endometritis in the active versus placebo-treated group (relative risk 0.65, 95% confidence interval 0.43, 0.98). Length of stay was longer in the placebo group overall (104 +/- 56 versus 95 +/- 32 hours, P =.016) and among women with endometritis (146 +/- 52 versus 127 +/- 46 hours, P =.047).

CONCLUSION:

Extended spectrum prophylactic antibiotic treatment (with presumed efficacy against U urealyticum) given to women undergoing cesarean delivery at term shortens hospital stay and reduces the frequency of post-cesarean delivery endometritis and wound infections.

PMID:
12798523
[Indexed for MEDLINE]
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