EP1.82 Age is Associated with In-Hospital Opioid Consumption Following Periacetabular Osteotomy

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ID: 331356
2026
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Abstract
Abstract Background Periacetabular osteotomy (PAO) is the gold-standard surgical treatment option for symptomatic dysplasia of the hip and often requires inpatient hospital stay. Perioperative pain management can be difficult to optimize in patients undergoing PAO, given the variability in patient characteristics and surgical factors influencing analgesic needs. Despite this heterogeneity, postoperative pain control is commonly guided by standardized protocols, which may not adequately account for individual predictors of pain medication requirements. Methods Patients undergoing PAO between 2016-2021 by a single surgeon were identified. In-hospital opioid consumption was quantified and standardized using morphine milligram equivalents (MME). Several preoperative and postoperative factors were identified, including age, sex, body mass index (BMI), narcotic usage prior to surgery, concomitant procedures performed during PAO, day of epidural removal, day of foley catheter removal, day of discharge, American Society of Anesthesiologists (ASA) score, and blood transfusion requirements. Multiple linear regression analysis was performed to identify factors associated with in-hospital opioid demands. Results A total of 112 patients were treated with a PAO during the study timeline and were included in the study with a mean age of 24.4±8.3 years with females comprising n=105 (93.8%) of the cohort. Age (β = 2.8; P = 0.036) and day of hospital discharge (β = 71.0; P < 0.001) were associated with total in-hospital opioid consumption. Segmented regression identified an age threshold at of 25.0 years (β1 = 10.3; β2 = –12.0) and 4.7 days (β1 = 17.0; β2 = 107.3) for in-hospital stay at which the relationship between the continuous variables and MME requirements changed, with postoperative pain medication requirements rising precipitously for those requiring >4 days of inpatient stay. Conclusions Age was positively associated with opioid consumption, with the strongest increase observed up to 25 years. Length of stay was also significantly associated with postoperative MME consumption in a non-linear fashion. Together, these findings may serve as guidance for PAO surgeons in designing and implementing effective postoperative pain control strategies for patients based on their age and pre- and peri-operative risk factors.
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Authors Samuel P. Alfonsi, Jack Yang, Harmanjeet Singh, Omar Shalakhti, Ty Monty, John Higgins, Alexander Acuña, Vincent Federico, Joel Williams
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Journal Journal of hip preservation surgery
Year 2026
DOI
10.1093/jhps/hnag043.266
URL
https://doi.org/10.1093/jhps/hnag043.266
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