• Jennifer M Walsh, Nandini Kandamany, Niamh Ni Shuibhne, Helen Power, MurphyJohn FJF, and Colm O'Herlihy.
• Department of Obstetrics and Gynaecology, School of Medicine and Medical Science, University College Dublin, Dublin, Ireland. jennifer.walsh@ucd.ie
• Am. J. Obstet. Gynecol. 2011 Apr 1; 204 (4): 324.e1-6.

ObjectiveWe sought to compare the incidence and antecedents of neonatal brachial plexus injury (BPI) in 2 different 5-year epochs a decade apart following the introduction of specific staff training in the management of shoulder dystocia.Study DesignAll infants with BPI were prospectively identified during 2004 through 2008. Injuries were correlated with maternal details and intrapartum events and compared with the earlier series.ResultsOf 41,828 deliveries during 2004 through 2008, 72 infants with BPI were identified (1.7/1000), compared to 54 cases (1.5/1000) from 1994 through 1998 (P = .4); 9 injuries (12.5%) were persistent from 2004 through 2008, compared with 10 (18.5%) earlier (P = .4). There were no significant differences between the 2 time periods with respect to maternal parity, obesity, or prolonged pregnancy, although the cesarean section rate had increased from 10.7 to 18.4%.ConclusionDespite training in the management of shoulder dystocia and a rising institutional cesarean section rate, the incidence of BPI has remained unchanged compared with 10 years earlier.Copyright © 2011 Mosby, Inc. All rights reserved.

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