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  • Title: Cervical ripening: a randomized comparison between intravaginal misoprostol and an intracervical balloon catheter combined with intravaginal dinoprostone.
    Author: Perry KG, Larmon JE, May WL, Robinette LG, Martin RW.
    Journal: Am J Obstet Gynecol; 1998 Jun; 178(6):1333-40. PubMed ID: 9662319.
    Abstract:
    OBJECTIVES: Our purpose was to compare the efficacy of intravaginal misoprostol and intracervical Foley catheter/intravaginal dinoprostone for cervical ripening. STUDY DESIGN: Patients admitted for induction of labor were randomized to receive intravaginal misoprostol 25 microg every 4 hours or intracervical Foley catheter/intravaginal dinoprostone 4 mg every 4 hours. Patients not entering active labor and having ruptured membranes or arrest of dilatation received intravenous oxytocin. RESULTS: Sixty-five patients received Foley catheter/dinoprostone gel and 62 patients received misoprostol. The mean time until cervical ripening was less in the catheter/gel group (7.5 +/- 3.4 vs 12.0 +/- 5.9 hours, p < 0.01). The mean time until vaginal delivery was less in the catheter/gel group (17.4 +/- 6.9 vs 21.2 +/- 7.5 hours, p = 0.004). Among vaginal deliveries, more patients in the catheter/gel group delivered within 24 hours (90% vs 69%, p = 0.013). CONCLUSIONS: Intracervical Foley catheter/intravaginal dinoprostone was associated with more rapid cervical ripening, shorter induction to vaginal delivery interval, and greater number of vaginal deliveries within 24 hours.
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