Perinatal Audit of One Hundred Consecutive Vacuum Extractions in Maputo

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Abstract
The extraordinary demands on obstetrical services that prevail in many developing countries necessitate critical reviews of existing norms for obstetrical management. Vacuum extractions were studied in this context as a part of the regular perinatal audit carried out at the Maputo Central Hospital, the only hospital in Maputo with emergency surgery catering to the 43,000 annual deliveries. Extractions performed with the fetal head above the ischiatic spines were associated with a high number of complications and an 81% risk of neonatal asphyxia and also with a number of severe neonatal traumas. The risk of intracranial hemorrhage tended to be higher with extractions of fetuses with the head at or above the ischiatic spines, particularly when there was concomitant intrapartum asphyxia. It is concluded that a frequent perinatal audit of selected risk deliveries is a useful monitoring tool for examining prevailing indications for various obstetric interventions.

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