Abstract
To examine obstetrical epidural and spinal anesthesia use in women with multiple sclerosis (MS) and the relationship with MS clinical factors. This was a retrospective cohort study, linking clinical data from women with MS in the British Columbia (BC) MS database to obstetrical data (1998–2009) from the BC Perinatal Database Registry. We compared epidural use in 431 deliveries to women with MS and 2,959 deliveries from the general population, as well as spinal use in cesarean deliveries (128 to women with MS and 846 in the general population), considering parity and using multivariate models. We also examined the association between epidural or spinal anesthesia and MS clinical factors—disease duration and disability [Expanded Disability Status Scale (EDSS) score]. Of 431 deliveries to women with MS, 116 were exposed to epidural anesthesia and of 128 cesarean deliveries, 82 were exposed to spinal anesthesia. The use of epidural anesthesia was similar in nullipara (adjusted OR = 0.86, 95 % CI = 0.63–1.18, p = 0.36), but more likely in multipara with MS (adjusted OR = 1.75, 95 % CI = 1.20–2.54, p = 0.004). Spinal anesthesia use in cesarean deliveries was comparable between the MS and general population cohorts (adjusted OR = 0.84, 95 % CI = 0.55–1.31, p = 0.45). Women who delivered 5 to <10 years after MS onset were less likely to have an epidural (adjusted OR = 0.57, 95 % CI = 0.34–0.95, p = 0.03) vs. those delivering within 5 years. EDSS was not associated with use of either type of anesthesia (adjusted p > 0.1). Contrary to previous studies, epidural anesthesia use differed between women with MS and the general population and was influenced by parity and MS disease duration; these findings warrant further investigation.
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Acknowledgments
This study was funded by the Canadian Institutes of Health Research (Operating Grant MOP-106607; PI: Dr. Helen Tremlett). The British Columbia Multiple Sclerosis database is funded by CIHR, MS Society of Canada, National MS Society, the UBC MS/MRI Research Group and an unrestricted grant from Dr. Donald Paty.
We thank the MS patients and the staff of Perinatal Services BC, BCMS database and Pharmacoepidemiology in the MS Research Group for providing data used in this study. We gratefully acknowledge the BC MS Clinic neurologists who contributed to the study through patient examination and data collection (current members listed here by primary clinic): UBC MS Clinic: A. Traboulsee, MD, FRCPC (UBC Hospital MS Clinic Director and Acting Head of the UBC MS Programs); A-L. Sayao, MD, FRCPC (Clinical Director of the BCMS Database); V. Devonshire, MD, FRCPC; S. Hashimoto, MD, FRCPC (UBC and Victoria MS Clinics); J. Hooge, MD, FRCPC (UBC and Prince George MS Clinics); L. Kastrukoff, MD, FRCPC (UBC and Prince George MS Clinics); J. Oger, MD, FRCPC Kelowna MS Clinic: D. Adams, MD, FRCPC; D. Craig, MD, FRCPC; S. Meckling, MD, FRCPC. Prince George MS Clinic: L. Daly, MD, FRCPC. Victoria MS Clinic: O. Hrebicek, MD, FRCPC; D. Parton, MD, FRCPC; K Atwell-Pope, MD, FRCPC. The views expressed in this paper do not necessarily reflect the views of each individual acknowledged.
Conflicts of interest
Dr. Lu was funded by the Canadian Institutes of Health Research (Canada Graduate Scholarships: Master’s and Doctoral Research Awards), the Multiple Sclerosis Society of Canada (MSc and PhD Research Studentships) and the University of British Columbia (Graduate Entrance Scholarship, Faculty of Medicine Graduate Awards and Four Year Doctoral Fellowship).
Dr. Sadovnick has received: research support from the MS Society of Canada Scientific Research Foundation, and CIHR; speaker honoraria and/or travel expenses to attend conferences from: Biogen-Idec, Merck-Serono, Teva Neurosciences, Bayer.
Dr. Traboulsee has received: honoraria from EMD Serono, Teva Neurosciences, Bayer, Biogen Idec, Chugai Pharmaceuticals and Roche.
Dr. Tremlett is funded by the Multiple Sclerosis Society of Canada (Don Paty Career Development Award), Michael Smith Foundation for Health Research and is the Canada Research Chair for Neuroepidemiology and Multiple Sclerosis. Dr. Tremlett has received: research support from the US National Multiple Sclerosis Society, CIHR, and UK MS Trust; speaker honoraria and/or travel expenses to attend conferences from the Consortium of MS Centres, US National MS Society, the University of British Columbia Multiple Sclerosis Research Program, Serono Symposia International Foundation (2008), Swiss MS Society (2009), Bayer Pharmaceutical (speaker, 2010, honoraria declined), Teva Pharmaceuticals (speaker 2011), ECTRIMS (2011), UK MS Trust (2011), Novartis Canada (2012) and the Chesapeake Health Education Program, US Veterans Affairs (2012, honorarium declined). Unless otherwise stated, all speaker honoraria are either donated to an MS charity or to an unrestricted grant for use by her research group.
Ms. van der Kop, Drs. Zhao, Dahlgren, Preston and Synnes report no competing interests.
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Lu, E., Zhao, Y., Dahlgren, L. et al. Obstetrical epidural and spinal anesthesia in multiple sclerosis. J Neurol 260, 2620–2628 (2013). https://doi.org/10.1007/s00415-013-7035-7
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DOI: https://doi.org/10.1007/s00415-013-7035-7