Arthroscopic Treatment of Iliopsoas Snapping in Patients With Radiographic Acetabular Dysplasia Using Iliopsoas Fractional Lengthening and Capsular Plication.

Abstract: The purpose of this study was to evaluate the greater than 2-year patient-reported outcomes (PROs) and patient satisfaction of patients who were treated with hip arthroscopy for snapping iliopsoas tendons that were painful with concomitant acetabular dysplasia and who underwent iliopsoas lengthening for symptomatic iliopsoas tendon snapping with concomitant capsular plication and treatment of hip impingement. Secondary measures included observation of the change in the Tönnis grade at greater than 2 years' follow-up.

Methods: Between July 2009 and December 2011, data on patients with a lateral center-edge angle (LCEA) of less than 25° (range, 19°-24°) who underwent hip arthroscopy with central-compartment iliopsoas fractional lengthening and capsular plication were prospectively collected and retrospectively reviewed. Interportal capsular repair was performed using between 2 and 5 simple sutures. Patients also underwent procedures to treat hip impingement pathology. All patients had preoperative and minimum 2-year postoperative PRO measures: modified Harris Hip Score, Hip Outcome Score-Activities of Daily Living subscale, Hip Outcome Score-Sports-Specific subscale, and Non-arthritic Hip Score. The visual analog scale score and patient satisfaction with surgery (from 0 to 10) were also collected. Radiographs were analyzed preoperatively and at latest follow-up to assess progression of the Tönnis grade.

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