Abstract
Previous reports regarding arthroscopic management of dysplastic hip morphologies have conflicting results. We retrospectively reviewed 88 hips (71% female, mean age 33.9 years) with radiographs consistent with dysplasia and mean 26 months follow-up after hip arthroscopy. Procedures performed included labral repairs (76%), labral debridements (23%), capsular plications (82%), and associated femoral resections (72%). Radiographs were evaluated for various parameters consistent with dysplasia. Function was evaluated prospectively with Modified Harris Hip Score (MHHS), SF-12 scoring, and pain score (VAS). Patient demographics, procedures, and radiographic parameters were evaluated with regards to functional outcomes. Results of the dysplastic cohort were compared to an aged matched cohort of 231 hips ( mean age 32 years) performed during the study period with mean follow-up 22.7 months that underwent arthroscopic FAI correction without dysplasia. The mean LCE was 20.8 degrees, and mean Tonnis angle was 11.0. The dysplastic cohort had a mean latest MHHS of 81.3 and mean 15.6 point improvement in MHHS compared to 88.4 points and 24.4 points, respectively, in the FAI cohort (p0.05). Although functional scores were improved for mild to borderline dysplastic morphologies, Good/Excellent results were inferior and Failure rates were higher compared to an FAI cohort. Associated cam-type FAI, and labral repair / capsular plications were predictive of better clinical outcomes in the dysplastic cohort.
Published Version
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