Abstract
Previous bio-engineering studies showed that intrapartum peak forces applied by the clinician were lower in routine deliveries than difficult deliveries. A total of 751 cases of obstetric brachial plexus palsy were included and divided into two groups: group I (248 patients) were born following routine deliveries and group II (503 patients) were born following difficult deliveries. Both groups were compared regarding the type of palsy and the rate of good/poor spontaneous motor recovery from the palsy. Group I subjects were more likely to have upper Erb palsy whereas those in group II were more likely to develop total palsy (P < .0001). The percentage of newborns with poor functional recovery was significantly higher (P < .05) in group II with regards to shoulder, wrist, and hand function. It was concluded that higher peak forces applied by the clinician in difficult deliveries affect the type of obstetric brachial plexus palsy.
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