Maternal morbidity associated with cesarean delivery without labor compared with induction of labor at term

被引:75
作者
Allen, Victoria M.
O'Connell, Colleen M.
Baskett, Thomas F.
机构
[1] Dalhousie Univ, IWK Hlth Ctr, Dept Obstet & Gynaecol, Halifax, NS B3H 4N1, Canada
[2] Dalhousie Univ, Perinatal Epidemiol Res Unit, Halifax, NS B3H 4N1, Canada
关键词
D O I
10.1097/01.AOG.0000215988.23224.e4
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
OBJECTIVE: To estimate the maternal morbidity associated with cesarean deliveries performed at term without labor compared with morbidity associated with induction of labor at term. METHODS: A 15-year population-based cohort study (1988-2002) using the Nova Scotia Atlee Perinatal Database compared maternal outcomes in nulliparous women delivering by cesarean delivery without labor and nulliparous women at term undergoing induction of labor for planned vaginal delivery with singleton, cephalic presentation. RESULTS: A total of 5,779 pregnancies satisfied inclusion and exclusion criteria, 879 of which were cesarean deliveries without labor. There were no maternal deaths. There was no difference in wound infection, puerperal febrile morbidity, blood transfusion or intraoperative trauma. After controlling for potential confounders, women undergoing cesarean delivery without labor were less likely to have complications of early postpartum hemorrhage (relative risk 0.61, 95% confidence interval 0.42-0.88, number needed to treat 32) and composite maternal morbidity (relative risk 0.71, 95% confidence interval 0.52-0.95, number needed to treat 34) compared with women undergoing induction of labor. Subgroup analyses of maternal outcomes after induction of labor in women by method of delivery were also performed and demonstrated additional risks of traumatic morbidity after induction of labor. The highest morbidity was found in the assisted vaginal delivery and cesarean delivery in labor groups. CONCLUSION: Early postpartum hemorrhage and composite maternal morbidity were decreased in cesarean delivery without labor compared with induction of labor. Hemorrhagic and traumatic morbidities with labor induction are increased after assisted vaginal delivery and cesarean delivery in labor compared with cesarean delivery without labor.
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页码:286 / 294
页数:9
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