Oxytocin use and tachysystole during labor were associated with 2.5 and 3.7 times higher odds of brachial plexus birth injury, respectively.
Case-Control (n=184)
Do specific maternal and labor-related risk factors increase the odds of brachial plexus birth injury in newborns?
Maternal and labor factors, particularly oxytocin use, tachysystole, and combinations of specific maternal characteristics, significantly increase the odds of brachial plexus birth injury.
Odds Ratio: 2.5
Over the course of decades, the incidence of brachial plexus birth injury (BPBI) has increased despite advances in healthcare which would seem to assist in decreasing the rate. The aim of this study is to identify previously unknown risk factors for BPBI and the risk factors with potential to guide preventative measures. A case control study of 52 mothers who had delivered a child with a BPBI injury and 132 mothers who had delivered without BPBI injury was conducted. Univariate, multivariable and logistic regressions identified risk factors and their combinations. The odds of BPBI were 2.5 times higher when oxytocin was used and 3.7 times higher when tachysystole occurred. The odds of BPBI injury are increased when tachysystole and oxytocin occur during the mother's labor. Logistic regression identified a higher risk for BPBI when more than three of the following variables (>30 lbs gained during the pregnancy, stage 2 labor >61.5 min, mother's age >26.4 years, tachysystole, or fetal malpresentation) were present in any combination.
Louden et al. (Thu,) conducted a case-control in Brachial plexus birth injury (n=184). Oxytocin use vs. No oxytocin use was evaluated on Brachial plexus birth injury (OR 2.5). Oxytocin use and tachysystole during labor were associated with 2.5 and 3.7 times higher odds of brachial plexus birth injury, respectively.