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  • Title: Predicting Post-Discharge Opioid Consumption After Total Hip and Knee Arthroplasty in the Opioid-Naïve Patient.
    Author: Debbi EM, Krell EC, Sapountzis N, Chiu YF, Lyman S, Joseph AD, Mandl LA, Gonzalez Della Valle A.
    Journal: J Arthroplasty; 2022 Aug; 37(8S):S830-S835.e3. PubMed ID: 35151806.
    Abstract:
    BACKGROUND: Pain catastrophizing, anxiety, and depression are associated with poor outcomes after total hip (THA) and total knee (TKA) arthroplasty. The goal of this study is to determine the relationship between post-operative pain scores and opioid consumption; and the association among pre-operative measures of anxiety, depression, and pain catastrophizing and post-operative opioid consumption in patients undergoing THA and TKA. METHODS: This is a single-institution prospective cohort study of 243 opioid-naïve patients undergoing elective, primary THA (n = 123) or TKA (n = 120) for osteoarthritis. Pre-operatively, patients completed the PROMIS-29 (Patient-Reported Outcomes Measures Information System; physical function/anxiety/depression/fatigue/sleep disturbance/social activities/pain interference/pain intensity) and Pain Catastrophizing Scale. Post-operatively, patients completed a weekly survey for 12 weeks determining morphine-milligram-equivalent (MME) opioid consumption, opioid cessation, and visual analog scale pain scores. Multivariable regression models determined the association between pre-operative scores and post-operative opioid consumption. RESULTS: Mean (±standard deviation) total opioid consumption and duration was 75.1 ± 112.0 MME and 1.7 ± 1.7 weeks in THA and 384.7 ± 473.3 MME and 4.3 ± 3.5 weeks in TKA. Visual analog scale pain scores (0-100) after opioid cessation were 28.0 ± 22.9 in THA and 30.7 ± 25.8 in TKA. Multivariable regression showed that each unit increase in PROMIS-29 fatigue T-score was associated with 8.4 hours longer opioid usage in THA (P = .008) and 15.1 hours longer in TKA (P = .036), as well as 12.7 MME additional opioids in TKA (P = .027). There were no significant associations with other PROMIS-29 domains or the Pain Catastrophizing Scale. CONCLUSION: Opioid use duration is different for THA and TKA and may correlate with pain scores. Only pre-operative fatigue was associated with post-operative opioid consumption. These findings should inform THA and TKA post-operative pain management pathways.
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