• A Ainsworth, H P Sviggum, M C Tolcher, A L Weaver, M A Holman, and K W Arendt.
• Department of Obstetrics and Gynecology, Mayo Clinic, Rochester, MN, USA.
• Int J Obstet Anesth. 2017 May 1; 31: 57-62.

ObjectivesTo evaluate the risk of emergent cesarean delivery with the use of neuraxial anesthesia for external cephalic version in a single practice.BackgroundRandomized trials have shown increased external cephalic version success when neuraxial anesthesia is used, without additional risk. We hypothesized that in our actual clinical practice, outside the confines of randomized trials, neuraxial anesthesia could be associated with an increased risk of emergent cesarean delivery.MethodsThis retrospective cohort study included all women who underwent external cephalic version at a single institution with and without neuraxial anesthesia. The primary outcome was the incidence of emergent cesarean delivery (defined as delivery within 4hours of version). Secondary outcomes were version success and ultimate mode of delivery.ResultsA total of 135 women underwent external cephalic version procedures; 58 with neuraxial anesthesia (43.0%) and 77 without (57.0%). Location of the procedure, tocolytic therapy, and gestational age were different between groups. An increased rate of emergent cesarean delivery was found in procedures with neuraxial anesthesia compared to procedures without (5/58 (8.6%) compared to 0/77 (0.0%); 95% CI for difference, 1.4 to 15.8%; P=0.013).ConclusionIn this single hospital's practice, patients who may be at higher risk of complications and have a lesser likelihood of success were provided NA for ECV. As a result, the use of neuraxial anesthesia for external cephalic version was associated with a higher rate of emergent cesarean delivery. Obstetric and anesthetic practices should evaluate their patient selection and procedure protocol for external cephalic version under neuraxial anesthesia.Copyright © 2017 Elsevier Ltd. All rights reserved.

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