期刊
INTERNATIONAL JOURNAL OF OBSTETRIC ANESTHESIA
卷 23, 期 4, 页码 371-375出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijoa.2014.06.005
关键词
Obesity; Headache; Post-dural puncture; Epidural blood patch
Background: Difficult epidural insertion and accidental dural puncture are more likely in the obese pregnant population. Low-level evidence suggests that the risk of post-dural puncture headache declines as body mass index increases. Methods: We retrospectively reviewed prospective data on 18315 obstetric epidural and combined spinal-epidural insertions, identifying 125 (0.7%) accidental dural punctures or post-dural puncture headaches between 2007 and 2012. The audit record and patient medical record were examined to determine patient body mass index, headache characteristics and use of a therapeutic epidural blood patch. Women were classified into two groups: non-obese (body mass index <30 kg/m(2), Group <30) or obese (body mass index >= 30 kg/m(2), Group >= 30). Statistical analysis was by chi-square or Fisher exact tests, with P < 0.05 considered significant. Results: Compared to Group <30 (n = 65), women in Group >= 30 (n = 60) did not significantly differ in the incidence of post-dural puncture headache (82% vs 80%, P = 0.83); its intensity (severe 36% vs. 23%, P = 0.34); or the need for epidural blood patch (57% vs. 54%, P = 0.81). Groups also did not differ significantly when confining analysis to those who had a witnessed accidental dural puncture (n = 93) or to women with a body mass index >40 kg/m(2) (n = 10) vs. Group <30. Conclusion: This retrospective study found no evidence that women of higher body mass index are less likely to develop a post-dural puncture headache or that the characteristics of the headache and use of epidural blood patch were different. Crown Copyright (C) 2014 Published by Elsevier Ltd. All rights reserved.
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