• Int J Obstet Anesth · May 2018

    Incidence and risk factors for epidural re-siting in parturients with breakthrough pain during labour epidural analgesia: a cohort study.

    • B L Sng, M Tan, C J Yeoh, N-L R Han, R Sultana, P N Assam, and A T Sia.
    • Department of Women's Anaesthesia, KK Women's and Children's Hospital, Singapore; Duke-NUS Medical School, Singapore. Electronic address: sng.ban.leong@singhealth.com.sg.
    • Int J Obstet Anesth. 2018 May 1; 34: 28-36.

    IntroductionEpidural re-siting is one of the significant events during labour epidural analgesia that may result in decreased patient satisfaction. The aim of our study was to investigate the incidence of and factors associated with epidural re-siting in parturients using epidural analgesia, with an emphasis on those with breakthrough pain.MethodsA retrospective cohort study of 10170 parturients who received labour epidural analgesia. The primary outcome was the incidence of epidural re-siting (binary data). Univariate and multivariate logistic regression analysis were performed to find associated risk factors for re-siting.ResultsLess than 1% (0.85%, 86/10170) of the women in the study had their epidural re-sited. Amongst the subset of women with breakthrough pain, the incidence of epidural re-siting was higher (4.7%, 68/1454). Most of the women who had their epidural re-sited had experienced breakthrough pain (79%, 68/86). Amongst all parturients, the presence of breakthrough pain (OR=21.31), hypotension (OR=4.18) and venous puncture (OR=2.74) were significantly associated with re-siting. Amongst the parturients with breakthrough pain who required epidural re-siting, lower cervical dilatation (OR=0.81), higher number of episodes of breakthrough pain (OR=1.83) and patchy block (OR=4.37) were significantly associated with re-siting. The areas-under-curves of two multivariate models were 0.894 and 0.806 respectively.ConclusionIn our institution, the incidence of epidural catheter re-siting was low in all patients. However, the majority of patients whose catheters were re-sited had exhibited breakthrough pain. The risk factors associated with the need for re-siting of catheters in all patients differed from those who had breakthrough pain.Copyright © 2017 Elsevier Ltd. All rights reserved.

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    This article appears in the collection: Predictors of labour epidural breakthrough pain.

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