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Emergency peripartum hysterectomy and associated risk factors
L M Stanco1, D B Schrimmer, R H Paul
1Department of Obstetrics and Gynecology, University of Southern California, Los Angeles.
Objective:
Peripartum hysterectomy at Los Angeles County-University of Southern California Medical Center was reviewed and associated risk factors were identified.
Study Design:
Retrospective descriptive and cohort analysis from January 1985 to June 1990 was carried out. Adjusted relative risks for hysterectomy with 95% confidence intervals for identified risk factors were calculated where possible.
Results:
There were 123 cases of emergency peripartum hysterectomy (incidence of 1.3/1000 births). Indications for hysterectomy were primarily placenta accreta (n = 61), uterine atony (n = 25), unspecified uterine bleeding (n = 19), and uterine rupture (n = 14). The relative risk of emergency hysterectomy was 95.5 (95% confidence interval 66.7 to 136.9) for cesarean delivery, 10.78 (95% confidence interval 7.56 to 15.37) for prior cesarean delivery, and 97.29 (95% confidence interval 70.28 to 134.70) for placenta previa.
Conclusions:
Cesarean delivery, prior cesarean delivery, placenta previa, placenta accreta, and uterine atony were identified risk factors for emergency peripartum hysterectomy.