Abstract
Preterm premature rupture of membranes (PPROM) continues to be a major cause of preterm births. The objective of this study was to compare the morbidity of patients with PPROM nonvertex presentations with patients with PPROM with vertex presentations. A retrospective analysis of data from 74 patients with PPROM with nonvertex presentations (study group) and 74 patients with PPROM with vertex presentations (control group) comprised the 2 study groups. All patients that met the study admission criteria were treated in a similar manner at 1 of 3 level-III hospitals. The gestational ages at delivery of all patients were between 23-34 weeks, and the gestational ages between case and control patients were matched for gestational age. A statistically significant (P = .03) higher incidence of a prolapsed umbilical cord was found in the study group (n = 8; 10.8%) relative to the control group (n = 1; 1.4%). More infants in the study group had low 5-minute Apgar scores (<5) and/or low cord pH (<7.20; n = 25 [33.8%]) than in the control group (n = 12 [16.2%]; P = .02). Five infants with breech presentations underwent a precipitous unplanned vaginal delivery. Significant morbidity was not detected in these 5 infants. After transfer to an antenatal ward, patients with PPROM with nonvertex presentations appear to have a significantly higher risk for prolapsed umbilical cords, lower Apgar scores, and/or lower umbilical cord blood pH values, when compared with their vertex counterparts. Additionally, there appears to be substantial risk of an unintended, vaginal breech delivery.
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