EP8.27 Short-Term Outcomes After Hip Arthroscopy for FAIS Across Chondral Damage Severity

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ID: 330922
2026
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Abstract
Abstract Objective To explore the effect of intraoperative chondral damage on changes in hip-related quality of life following hip arthroscopy for femoroacetabular impingement syndrome (FAIS), accounting for baseline status and key patient characteristics. Methods Prospective cohort study including consecutive patients undergoing hip arthroscopy for FAIS at a tertiary referral centre. A directed acyclic graph (DAG) was used a priori to guide covariate selection. Hip-related quality of life was assessed using the 12-item International Hip Outcome Tool (iHOT-12) preoperatively and at four months postoperatively. Intraoperative acetabular chondral damage was graded using the Beck classification. Patients were stratified according to chondral damage severity. Changes in iHOT-12 scores were described across groups and analysed using regression models adjusted for baseline iHOT-12, age, sex, body mass, hip torque capacity, and surgical procedure. Results A total of 133 patients completed the 4-month follow-up. Mean age was 39.7 ± 10.7 years and 50.4% were female. Chondral damage distribution was: Beck grade 0 (n=0, 0%), 1 (n=39, 29.3%), grade 2 (n=34, 25.6%), grade 3 (n=25, 18.8%), and grade 4 (n=35, 26.3%). The iHOT-12 improved from 37.3 ± 18.7 preoperatively to 65.8 ± 20.0 at four months (mean difference 28.0; 95% CI 23.8 to 32.2). Improvements were observed across all chondral damage grades: iHOT-12 increased from 38.5 ± 18.6 to 65.8 ± 20.5 in grade 1 (mean difference 27.3; 95% CI 20.3 to 34.3), from 35.8 ± 18.3 to 64.6 ± 20.2 in grade 2 (28.8; 21.2 to 36.4), from 40.1 ± 18.9 to 65.7 ± 18.7 in grade 3 (25.6; 12.9 to 38.4), and from 35.6 ± 18.9 to 65.2 ± 20.3 in grade 4 (29.6; 20.3 to 38.8). In adjusted analyses, greater chondral damage was associated with higher postoperative iHOT-12 scores (β = 9.61 points per grade increase; 95% CI 0.72 to 18.50). Conclusions Patients undergoing hip arthroscopy for FAIS demonstrate substantial short-term improvements in hip-related quality of life across all levels of chondral damage. Greater intraoperative chondral damage was not associated with worse outcomes and may be associated with higher postoperative scores. These findings suggest that chondral damage severity alone may not be a key determinant of short-term recovery following hip arthroscopy.
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Authors PhD Marcelo Peduzzi de Castro PT, MD Richard Prazeres Canella, Bruno Dorneles, PhD Daniel Curry Ribeiro PT, Walter Herzog, PhD Heiliane de Brito Fontana PT
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Journal Journal of hip preservation surgery
Year 2026
DOI
10.1093/jhps/hnag043.407
URL
https://doi.org/10.1093/jhps/hnag043.407
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