EP8.102 Clinical Outcomes of Hip Arthroscopy in Adolescent Athletes with Femoroacetabular Impingement syndrome

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ID: 331183
2026
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Abstract
Abstract Background Femoroacetabular impingement syndrome (FAIs) is considered to develop during adolescence, particularly through cam morphology formation induced by repetitive sports-related mechanical stress. FAIs is recognized as a potential precursor to hip osteoarthritis (OA), and in some cases may progress to severe OA requiring total hip arthroplasty in early adulthood. However, clinical outcomes of hip arthroscopy in adolescent patients remain incompletely defined. Purpose To evaluate patient characteristics, intraoperative findings, and preoperative and postoperative outcomes in patients aged 18 years and younger who underwent hip arthroscopy for FAIs. Methods Between August 2013 and February 2022, 13 patients (14 hips) aged ≤18 years underwent hip arthroscopy at our institution. After exclusion of 3 hips with septic arthritis or tumor-related pathology, 10 patients (11 hips) diagnosed with FAIs were included in the analysis. Patient demographics, sports background, intraoperative findings, surgical procedures, clinical outcomes, complications, and return-to-sport rates were retrospectively reviewed. Results The mean age at surgery was 15.5 years (range, 13–18 years). There were 7 female hips and 4 male hips, including one bilateral case. All patients had a history of sports participation, including track and field (3 hips), racket sports (2 hips), baseball (2 hips), dance-related sports (2 hips), and martial arts (2 hips). The mean operative time was 141.7 minutes (range, 102–187 minutes). Cam resection and labral repair were performed in all cases. At a mean postoperative follow-up of 59.3 months (range, 22–121 months), all patient-reported outcome measures showed significant improvement: Harris Hip Score improved from 73.2 to 98.9, JHEQ from 45.5 to 81.7, Vail10J from 49.5 to 93.4, and iHOT12J from 45.0 to 92.0. The mean time to return to sports was 6.4 months (range, 4–13 months). All patients returned to physical education activities, and 80% (8/10 patients) returned to their original sport. Two patients did not return to their previous sport due to non-medical reasons (change in extracurricular interests and loss of motivation). One complication (9%) of lateral femoral cutaneous nerve disturbance was observed, which resolved with treatment. No revision surgeries were required. Conclusion Hip arthroscopy for FAIs in adolescents aged 18 years and younger resulted in significant functional improvement, high rates of return to sport, and a low complication rate. These findings support the effectiveness and safety of hip arthroscopy as a treatment option for adolescent athletes with FAIs.
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Authors Nobuyuki Watanabe, PhD Hiroaki Sakai MD, PhD Takuya Usami MD
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Journal Journal of hip preservation surgery
Year 2026
DOI
10.1093/jhps/hnag043.481
URL
https://doi.org/10.1093/jhps/hnag043.481
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