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  • Title: Duration of antimicrobial prophylaxis for group B streptococcus in patients with preterm premature rupture of membranes who are not in labor.
    Author: Alvarez JR, Williams SF, Ganesh VL, Apuzzio JJ.
    Journal: Am J Obstet Gynecol; 2007 Oct; 197(4):390.e1-4. PubMed ID: 17904972.
    Abstract:
    OBJECTIVE: The purpose of this study was to determine the duration of the time that is needed to eradicate group B Streptococcus (GBS) in pregnant women with preterm premature rupture of membranes (PPROM). STUDY DESIGN: A retrospective cohort study was performed of pregnant women with PPROM from January 1, 2000, through December 31, 2005. Vaginal/rectal cultures were performed on admission and repeated daily. Patients received antibiotics until cultures were negative for 3 consecutive days. RESULTS: Two hundred fourteen women were identified with PPROM; 169 of the women met the inclusion criteria. Thirty-three patients were GBS positive on admission and had negative cultures by day 3. Neonatal sepsis occurred in 19 neonates (11.2%); 3 neonates (16%) were from mothers who tested positive for GBS on admission, and 16 neonates (84%) were from mothers who tested negative on admission. There were no cases of neonatal sepsis because of GBS. CONCLUSION: A 3-day regimen of antibiotic prophylaxis appears to be adequate to eradicate GBS from the genital tract of patients with PPROM.
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