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A systematic review of brachial plexus injuries after caesarean birth: challenging delivery?

Journal

BMC PREGNANCY AND CHILDBIRTH
Volume 23, Issue 1, Pages -

Publisher

BMC
DOI: 10.1186/s12884-023-05696-1

Keywords

Birth injury; Brachial plexus injury; Caesarean section; erb's palsy; Neonatal injury; Operative birth; Zavanelli

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This study aimed to aggregate cases of obstetric brachial plexus injury (BPI) after cesarean section (CS) and identify risk factors for BPI. The findings showed that 53% of BPI cases after CS had risk factors related to challenging fetal handling/manipulation prior to delivery, maternal/fetal concerns, and difficulties in accessing the fetus due to obesity or adhesions.
BackgroundCaesarean section (CS) is widely perceived as protective against obstetric brachial plexus injury (BPI), but few studies acknowledge the factors associated with such injury. The objectives of this study were therefore to aggregate cases of BPI after CS, and to illuminate risk factors for BPI.MethodsPubmed Central, EMBASE and MEDLINE databases were searched using free text: (brachial plexus injury or brachial plexus injuries or brachial plexus palsy or brachial plexus palsies or Erb's palsy or Erb's palsies or brachial plexus birth injury or brachial plexus birth palsy) and (caesarean or cesarean or Zavanelli or cesarian or caesarian or shoulder dystocia). Studies with clinical details of BPI after CS were included. Studies were assessed using the National Institutes for Healthy Study Quality Assessment Tool for Case Series, Cohort and Case-Control Studies.Main results39 studies were eligible. 299 infants sustained BPI after CS. 53% of cases with BPI after CS had risk factors for likely challenging handling/manipulation of the fetus prior to delivery, in the presence of considerable maternal or fetal concerns, and/or in the presence of poor access due to obesity or adhesions.ConclusionsIn the presence of factors that would predispose to a challenging delivery, it is difficult to justify that BPI could occur due to in-utero, antepartum events alone. Surgeons should exercise care when operating on women with these risk factors.

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