• Hyundeok Joo, Kevin Nguyen, Kerstin Kolodzie, Lee-Lynn Chen, Mi-Ok Kim, and Solmaz Manuel.
• From the Department of Anesthesia and Perioperative Care, University of California San Francisco School of Medicine, San Francisco, California.
• Anesth. Analg. 2024 Aug 1.

BackgroundThere is increasing interest in documenting disparities in pain management for racial and ethnic minorities and patients with language barriers. Previous studies have found differential prescription patterns of opioids for racial and ethnic minority group and patients having limited English proficiency (LEP) after arthroplasty. However, there is a knowledge gap regarding how the intersection of these sociodemographic factors is associated with immediate postoperative pain management. This study aimed to explore language and racial-ethnic disparities in short-term opioid utilization after total hip and knee arthroplasty.MethodsWe conducted a retrospective cohort study of adult patients who underwent total hip and knee arthroplasty from 2015 to 2019 at an urban medical center. The primary predictor variables included LEP status and racial-ethnic category, and the primary outcome variables were oral morphine equivalents (OMEs) during 2 distinct postoperative periods: the first 12 hours after surgery and from the end of surgery to the end of postoperative day (POD) 1. Patient characteristics and perioperative metrics were described by language status, race, and ethnicity using nonparametric tests, as appropriate. We performed an adjusted generalized estimating equation to assess the total effect of the intersection of LEP and racial-ethnic categories on short-term postoperative opioid use in mean ratios (MRs).ResultsThis study included a total of 4090 observations, in which 7.9% (323) patients had LEP. Patients reported various racial-ethnic categories, with 72.7% (2975) non-Hispanic White, and minority groups including non-Hispanic Asian and Pacific Islander (AAPI), Hispanic/Latinx, non-Hispanic Black/African American, and Others. Patients self-identifying as non-Hispanic AAPI received fewer OME regardless of LEP status during the first 12 hours postoperatively (MR for English proficient [EP], 0.12 [95% confidence interval, CI, 0.08-0.18]; MR for LEP, 0.22 [95% CI, 0.13-0.37]) and from end of surgery to the end of POD 1 (MR for EP, 0.24 [95% CI, 0.16-0.37]; MR for LEP, 0.42, [95% CI, 0.24-0.73]) than EP non-Hispanic White. Hispanic/Latinx patients with LEP received lower amounts of OME during the first postoperative 12 hours (MR, 0.29; 95% CI, 0.17-0.53) and from end of surgery to the end of POD 1 (MR, 0.42; 95% CI 0.23-0.79) than EP non-Hispanic White. Furthermore, within the non-Hispanic White group, those with LEP received fewer OME within the first 12 hours (MR, 0.33; 95% CI, 0.13-0.83).ConclusionsWe identified an association between LEP, racial-ethnic identity, and short-term postoperative OME utilization after total knee and hip arthroplasty. The observed differences in opioid utilization imply there may be language and racial-ethnic disparities in acute pain management and perioperative care.Copyright © 2024 International Anesthesia Research Society.

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