TP8.7 Greater Pre-operative Pain, Positive Log Roll Test, Higher BMI, Increased Age, and Positive FABER Test are Associated with Altered Recovery Trajectories Through 2 Years Following Hip Arthroscopy for Femoroacetabular Impingement Syndrome

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ID: 331279
2026
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Abstract
Abstract Background The influence of demographic, imaging, and clinical variables on recovery after hip arthroscopy (HA) for femoroacetabular impingement syndrome (FAIS) remains unclear. This study aimed to identify variables associated with pre-operative patient-reported outcome (PRO) scores and recovery trajectories following HA. Methods Routinely collected clinical data were reviewed for patients who underwent HA for FAIS between 2017-2023. Recovery was assessed using the iHOT-12 and mHHS, completed pre-operatively, and 3, 6, 12, and ≥24 months post-operatively. Variables of interest included demographics (sex, age, BMI); imaging findings (alpha angle, lateral center-edge angle, crossover sign, joint space, Tönnis Grade); clinical findings (Beighton’s score, pain rating; log roll, FADIR, FABER, AB-HEER, Stinchfield tests); and intraoperative chondral injury grade. Associations with pre-operative PRO scores were assessed using univariable linear mixed-effects models (LMEMs) for each variable. Next, recovery trajectories were evaluated with time-adjusted LMEMs including linear (Time) and quadratic (Time2) terms for each variable. Lastly, variables significantly associated with recovery trajectories were retained for multivariable modeling. Results 341 patients (396 hips; 217 female; age 32.8±11.3 years; BMI 25.8±4.6 kg/m2) were included. Better pre-operative PRO scores were associated with male sex, younger age, lower BMI, and negative log roll, FABER, AB-HEER, and Stinchfield tests (all p’s<0.05). For both PROs, multivariable modeling suggested that greater pre-operative pain was associated with faster early improvement but similar 2-year outcomes (Time and Time2 interactions p≤0.01); and a positive log roll test was associated with worse scores over two years (iHOT p=0.03; mHHS p=0.01). For the mHHS, higher BMI (p=0.01) and increased age (p=0.01) were associated with worse scores throughout recovery; while a positive FABER test showed better 2-year outcomes (Time and Time2 interactions p≤0.003). Conclusion Better pre-operative scores were associated with male sex, younger age, lower BMI, and negative provocation tests. Greater pre-operative pain was associated with worse pre-operative scores, but similar 2-year outcomes. Worse scores across all timepoints were associated with a positive log roll test, higher BMI, and increased age. A positive FABER test was associated with better scores at 2 years post-operatively. These findings highlight the importance of comprehensive pre-operative assessment to guide prognosis and patient expectations.
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Authors Matthew L. Kuik, Matthew Blomquist, Stephanie Kliethermes‌, Keith A. Knurr, Andrea M. Spiker
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Journal Journal of hip preservation surgery
Year 2026
DOI
10.1093/jhps/hnag043.177
URL
https://doi.org/10.1093/jhps/hnag043.177
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