• S Bellas, M L Marenco, A Sepúlveda, and C Suan.
• Servicio de Anestesiología y Reanimación del Hospital de la Mujer, Sevilla, España. solebellas@hotmail.com
• Rev Esp Anestesiol Reanim. 2012 Oct 1;59(8):410-4.

ObjectiveAccidental dura mater puncture is a potential complication during epidural block, and may be associated with multiple factors. Our objective was to determine the prevalence and risk factors of accidental dural puncture in a university hospital, evaluating the differences in the number of complications during different working hours.Material And MethodsA prospective observational study was conducted on all women who requested regional anaesthesia in the Epidural Analgesia Unit between 1 January 2009 and 1 January 2011, and who fulfilled the inclusion criteria. The technique employed to control labour pains was epidural analgesia.ResultsA total of 12,480 pregnant women were included. The prevalence of accidental dura mater puncture was 0.4% (50 patients). Of these, 28% were due to medical residents. More accidental dura mater punctures were observed during September and in the afternoon shift.ConclusionsThe prevalence of accidental dura mater puncture is similar to other patient series. In ours, tiredness or lack of sleep did not influence the incidence of complications in analgesia for labour pains in a 24 hour care unit. This may be due to the distribution of on-call shifts not exceeding more than 6 hours.Copyright © 2011 Sociedad Española de Anestesiología, Reanimación y Terapéutica del Dolor. Published by Elsevier España. All rights reserved.

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