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Am J Obstet Gynecol. 2000 Feb;182(2):307-12.

Eclampsia. VIII. Risk factors for maternal morbidity.

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  • 1Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Tennessee, Memphis 38103, USA.

Abstract

OBJECTIVE:

This study was undertaken to identify risk factors associated with adverse maternal outcome in pregnancies complicated by eclampsia.

STUDY DESIGN:

This was a descriptive study of 399 consecutive women with eclampsia whose cases were managed at one perinatal center between August 1977 and July 1998. Data were collected. Risk factors studied included maternal age, race, parity, preexisting medical complications, and clinical and laboratory findings. Outcome variables were maternal morbidities. Data were analyzed by either chi(2) analysis or the unpaired Student t test as appropriate.

RESULTS:

In the entire cohort of women with eclampsia major maternal complications included abruptio placentae (10%), HELLP (hemolysis, elevated liver enzymes, and low platelet count) syndrome (11%), disseminated intravascular coagulopathy (6%), neurologic deficits and aspiration pneumonia (7%), pulmonary edema (5%), cardiopulmonary arrest (4%), acute renal failure (4%), and death (1%, n = 2 patients with antepartum onset). Women with antepartum eclampsia had significantly higher incidences of abruptio placentae (12% vs 6%; P <.05) and HELLP syndrome (14% vs 4%; P =. 005) than did those in whom eclampsia developed post partum. In contrast, women with postpartum eclampsia were more likely to have neurologic deficits develop (9% vs 2%; P =.0006) than were those with antepartum eclampsia. In addition, women in whom eclampsia developed at </=32 weeks' gestation had significantly higher incidences of abruptio placentae (17% vs 8%; P =.01), HELLP syndrome (20% vs 7%; P =.0005), and acute renal failure (8% vs 2%; P =.01) than did those in whom eclampsia developed later.

CONCLUSION:

Eclampsia remains a significant complication of pregnancy that carries high maternal mortality and morbidity rates. Antepartum onset carries greater risks, and onset at </=32 weeks' gestation is particularly dangerous to both mother and fetus.

PMID:
10694329
[PubMed - indexed for MEDLINE]
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