• Won Lee, Marina Souto Martins, Ronald B George, and Alicia Fernandez.
• Department of Anesthesia and Perioperative Care, University of California San Francisco, 513 Parnassus Avenue, S455E, San Francisco, CA, 94143, USA.
• Can J Anaesth. 2023 Jun 1; 70 (6): 103510461035-1046.

PurposeHealth disparities continue to affect racial and ethnic marginalized obstetric patients disproportionally with increased risk of Cesarean delivery and pregnancy-related death. Yet, the literature on what influences such disparities in obstetric anesthesia service and its clinical outcomes is less well known. We set out to describe racial and ethnic disparities in obstetric anesthesia during the peripartum period in the USA via a scoping review of the recent literature.SourceUsing the Institute of Medicine's definition of disparities, we searched the National Library of Medicine's PubMed/Medline, Embase, Web of Science, APA PsycINFO, and Google Scholar for articles published between 1 January 2000 and 30 June 2022 to identify literature on racial and ethnic disparities in obstetric anesthesia.Principal FindingsOut of 8,432 articles reviewed, 15 met our inclusion criteria. All but one study was observational. Seven studies were single-institutional while the remaining used multicentre data/databases. All studies compared two or more race and ethnicity classifications. Studies in this review described disparities in the use of labour epidural analgesia, labour epidural request timing, anesthesia for Cesarean deliveries, postpartum pain management, and epidural blood patch for postdural puncture headaches. Several studies reported disparities observed in the unadjusted models becoming no longer significant when adjusted for other covariates.ConclusionBased on the findings of the present scoping review on racial and ethnic disparities in obstetric anesthesia, we present an evidence map identifying knowledge gaps and propose a future research agenda.© 2023. Canadian Anesthesiologists' Society.

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