Belfort MA, Clark SL, Saade GR, Kleja K, Dildy GA, Van Veen TR, Akhigbe E, Frye DR, Meyers JA, Kofford S
Hospital readmission after delivery: evidence for an increased incidence of nonurogenital infection in the immediate postpartum period. [JOURNAL ARTICLE]
Am J Obstet Gynecol 2009 Nov 2.
OBJECTIVE: The purpose of this study was to analyze reasons for postpartum readmission.
STUDY DESIGN: We conducted a database analysis of readmissions within 6 weeks after delivery during 2007, with extended (180 day) analysis for pneumonia, appendicitis, and cholecystitis. Linear regression analysis, survival curve fitting, and Gehan-Breslow statistic with Holm-Sidak all-pairwise analysis for multiple comparisons were used. Probability values of < .05 were considered significant.
RESULTS: Of 222,751 women delivered, 2655 women (1.2%) were readmitted within 6 weeks (0.83% vaginal delivery and 1.8% cesarean section delivery; P < .001). A high percentage of these readmittances occurred within the first 6 weeks: pneumonia (84%), appendicitis (43%), or cholecystitis (46%). Cumulative readmission rates were higher in the first 6 weeks after delivery than in the next 20 weeks (pneumonia curve gradient, 3.7 vs 0.11; appendicitis curve gradient, 1.1 vs 0.36; cholecystitis curve gradient, 6.6 vs 1.7).
CONCLUSION: The cause of postpartum readmission is primarily infectious in origin. A recent pregnancy appears to increase the risk of pneumonia, appendicitis, and cholecystitis.
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