• B Hogg, J C Hauth, S N Caritis, B M Sibai, M Lindheimer, J P Van Dorsten, M Klebanoff, C MacPherson, M Landon, R Paul, M Miodovnik, P J Meis, G R Thurnau, M P Dombrowski, D McNellis, and J M Roberts.
• University of Alabama at Birmingham, Department of Obstetrics and Gynecology 35233-7333, USA.
• Am. J. Obstet. Gynecol. 1999 Nov 1;181(5 Pt 1):1096-101.

ObjectiveThe aim of this study was to determine whether epidural anesthesia during labor increased the frequencies of cesarean delivery, pulmonary edema, and renal failure among women with severe hypertensive disease.Study DesignWe performed a secondary retrospective analysis of a subgroup population within a multicenter double-blind trial of low-dose aspirin therapy for women at high risk for development of preeclampsia. Subjects in whom severe hypertensive disease developed were selected. The primary outcomes were the overall frequencies of cesarean delivery among women with severe hypertensive disease who had labor with and without epidural anesthesia. Other maternal and neonatal outcomes were also compared between women who did and did not receive epidural anesthesia.ResultsAmong the women with severe hypertensive disease (n = 444) 327 had labor. Among the women with severe disease who had labor there was no difference in either the overall cesarean delivery rate (32.1% vs 28.0%; P =.44) or the rate of cesarean delivery for fetal distress or failure to progress (27.8% vs 22.0%; P =.26) between women who did and did not receive epidural analgesia. Women with chronic hypertension were more likely to have a cesarean delivery overall if they received epidural anesthesia, but there was otherwise no difference in the frequencies of cesarean delivery for these indications between women with and without epidural anesthesia within each of the high-risk groups. Pulmonary edema was rare and acute renal failure did not develop in any women.ConclusionEpidural anesthesia use did not increase the frequencies of cesarean delivery, pulmonary edema, and renal failure among women with severe hypertensive disease.

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