EP8.74 Fifteen-Year Outcomes of Hip Arthroscopy for Femoroacetabular Impingement Syndrome Demonstrate Sustained Functional Gains Without Increased Reoperation in Patients Over 40-Years Old

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ID: 330966
2026
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Abstract
Abstract Introduction Although previous studies have shown improved functional outcomes of hip arthroscopy for FAIS in patients over 40 at short- and mid-term follow-up, the persistence of these outcomes at long-term follow-up remains unclear. This study evaluated the impact of age over 40 on long-term functional outcomes and failure rates following HA for FAIS. Methods A retrospective review was conducted of a prospectively collected cohort who underwent HA for FAIS from January 2007 to March 2012 with an average of 15-years follow-up. Patients aged <40 years were matched in a target 2:1 ratio to those aged ≥40 years based on sex, BMI, and Tönnis grade. Patient-reported outcome measures, including the modified Harris Hip Score (mHHS) and Non-Arthritic Hip Score (NAHS), were collected preoperatively and at 15-year follow-up. Rates of achieving clinically meaningful thresholds (MCID, PASS, and SCB), radiographic parameters, and reoperation rates were also compared between cohorts. Results Forty-seven patients <40 years were matched to 36 patients ≥40 years. Baseline characteristics were similar between groups, including follow-up duration (15.0 ± 0.7 years, P = 0.876), BMI (25.9 ± 4.5, P = 0.569), sex distribution (63% female, P = 0.629), and Tönnis grade (P = 0.910). At 15 years, both groups demonstrated comparable improvements in mHHS (37.7 ± 20.0, P = 0.470) and NAHS (39.4 ± 20.2, P = 0.323), as well as similar rates of MCID (mHHS: 95%, P = 0.429; NAHS: 95%, P = 1.000), PASS (mHHS: 72%, P = 0.795; NAHS: 71% P = 0.594), and SCB (mHHS: 61%, P = 0.461; NAHS: 47%, P = 1.000) achievement. Younger patients had a significantly greater change in postoperative lateral center-edge angle (LCEA) (-1.0° ± 2.1°) and demonstrated a higher prevalence of acetabular retroversion (+44.5%; P = 0.005). Reoperation rates were not significantly different between groups (12%, P = 0.912). Conclusion Patients above and below 40 years old exhibited persistent functional outcomes at 15-year follow-up, suggesting age alone may not adversely affect long-term outcomes of hip arthroscopy for FAIS.
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Authors Emma Trasatti, Jessica Kurtz, Calvin Chan, Zachary Taylor, Daniel James Kaplan, Thomas J. Youm
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Journal Journal of hip preservation surgery
Year 2026
DOI
10.1093/jhps/hnag043.453
URL
https://doi.org/10.1093/jhps/hnag043.453
Keywords Keywords not found

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