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Treatment of Labral Calcification in the Setting of Femoroacetabular Impingement Syndrome With Arthroscopic Calcification Excision, Labral Repair, and Osteoplasty Improves Outcomes

Published:October 25, 2020DOI:https://doi.org/10.1016/j.arthro.2020.10.033

      Purpose

      To describe the diagnosis and 2-year outcomes of arthroscopic treatment for labral calcification in the setting of femoroacetabular impingement syndrome (FAIS).

      Methods

      A retrospective analysis was performed from a prospectively collected database of patients with FAIS undergoing hip arthroscopy. Patients with FAIS with labral calcification were differentiated radiographically from patients with other paralabral radiopaque densities such as os acetabuli, acetabular rim fractures, and labral ossification. Patients with FAIS with labral calcification were treated with arthroscopic calcification excision, labral repair, and osteoplasty and matched by age, sex, and body mass index with a cohort of patients with FAIS without labral calcifications who underwent labral repair and osteoplasty. Pre- and 2 years postoperatively, patients completed patient-reported outcome (PRO) scores including the modified Harris Hip Score, Hip disability and Osteoarthritis Outcome Score (HOOS), 12-item Short-Form survey, and visual analog scale.

      Results

      In total, 40 hips (21 male, 19 female) with FAIS and labral calcification were included (age 36.8 ± 8.1, body mass index, 25.9 ± 4.5). Patients with FAIS with labral calcification demonstrated similar significant PRO score improvements compared with a matched cohort of patients with FAIS without labral calcification at 2 years after surgery (visual analog scale: (–)2.3 ± 0.4, (–)2.7 ± 0.5, modified Harris Hip Score: 16.1 ± 2.6, 17.1 ± 3.2; HOOS symptoms: 21.9 ± 3.7, 18.6 ± 3.6; HOOS pain: 22.1 ± 3.0, 25.0 ± 3.5; HOOS activities of daily living: 20.2 ± 2.8, 23.8 ± 3.3; HOOS sport: 35.6 ± 5.0, 35.6 ± 4.1; HOOS quality of life: 36.9 ± 4.5, 37.5 ± 4.4; 12-item Short-Form survey physical component summary: 15.5 ± 2.3, 20.1 ± 2.1, respectively). Both cohorts achieved minimal clinically important differences at equivalent rates (60%-82.5%) for all PRO scores.

      Conclusions

      Patients with labral calcification in the setting of FAIS can be effectively treated with arthroscopic calcification excision, labral repair, and osteoplasty. These patients demonstrate significant improvements in patient-reported outcomes and achievement of minimal clinically important differences at 2 years similar to patients undergoing arthroscopic treatment for FAIS without labral calcification.

      Level of Evidence

      Level III, matched cohort study.
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