S A Oppong1, M G Tuuli2, J D Seffah1, R M K Adanu3. 1. Department of Obstetrics and Gynaecology, University of Ghana Medical School, Accra, Ghana. 2. Division of Maternal Fetal Medicine, Department of Obstetrics and Gynaecology, Washington University School of Medicine, St Louis, Missouri, USA. 3. School of Public Health, University of Ghana, Accra, Ghana.
Abstract
OBJECTIVE: To determine the limits of delaying caesarean section in a busy obstetric unit in a developing country setting that is not associated with neonatal survival. METHODS: Retrospective cohort study of emergency cesarean sections. Indications were sub-divided into imminent threat and no imminent threat to fetal wellbeing. The primary outcomes was a composite measure of adverse perinatal outcome including stillbirth, 5-minute Apgar score < 7 and neonatal intensive care unit admission. Effect of decision-to-delivery interval on perinatal outcomes was evaluated using Kaplan-Meier survival analysis. RESULTS: 495 women met inclusion criteria (142 'imminent threat' group, 353 'no imminent threat' group). The median decision-to-delivery interval was significantly shorter in the 'imminent threat' group (2.25 [95% CI 1.38 - 5.83] versus 3.42 [95% CI 1.83 - 5.85] hours, p <0.001). Only 1.7% and 12.7% sections were performed within 30 minutes and 1 hour, respectively. Risk of the composite outcome was significantly higher in the 'imminent threat group (46.5% versus 31.2%, RR=1.49 [95% CI 1.18 - 1.89], p=0.001). A 95% probability of 'live intact' survival occurred at 1 hr and 2 hrs respectively, for the imminent threat and the no imminent threat groups. CONCLUSION: Increasing decision-to-delivery interval is associated with higher risk of adverse perinatal outcomes, but a 95% live intact survival can be achieved if the delivery occurs within 2 hours.
OBJECTIVE: To determine the limits of delaying caesarean section in a busy obstetric unit in a developing country setting that is not associated with neonatal survival. METHODS: Retrospective cohort study of emergency cesarean sections. Indications were sub-divided into imminent threat and no imminent threat to fetal wellbeing. The primary outcomes was a composite measure of adverse perinatal outcome including stillbirth, 5-minute Apgar score < 7 and neonatal intensive care unit admission. Effect of decision-to-delivery interval on perinatal outcomes was evaluated using Kaplan-Meier survival analysis. RESULTS: 495 women met inclusion criteria (142 'imminent threat' group, 353 'no imminent threat' group). The median decision-to-delivery interval was significantly shorter in the 'imminent threat' group (2.25 [95% CI 1.38 - 5.83] versus 3.42 [95% CI 1.83 - 5.85] hours, p <0.001). Only 1.7% and 12.7% sections were performed within 30 minutes and 1 hour, respectively. Risk of the composite outcome was significantly higher in the 'imminent threat group (46.5% versus 31.2%, RR=1.49 [95% CI 1.18 - 1.89], p=0.001). A 95% probability of 'live intact' survival occurred at 1 hr and 2 hrs respectively, for the imminent threat and the no imminent threat groups. CONCLUSION: Increasing decision-to-delivery interval is associated with higher risk of adverse perinatal outcomes, but a 95% live intact survival can be achieved if the delivery occurs within 2 hours.
Entities:
Keywords:
Ghana; Limits of delay; caesarean section; perinatal outcome
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