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Patients with prior hip arthroscopy have worse outcomes after hip resurfacing arthroplasty: a matched cohort study
Allison M Morgan1, Zachary I Li1, Christopher A Colasanti1
1New York University Langone Health, New York, USA.
Purpose:
This study compares PROMs between patients who underwent hip arthroscopy prior to hip resurfacing arthroplasty (HRA) to a matched cohort of HRA patients without prior arthroscopy.
Methods:
A retrospective cohort study was performed of patients who underwent a HRA from 2016 to 2021 with minimum 2-year follow-up. Patients with prior arthroscopy were matched 1:3 with controls on age, sex, BMI, and ASA classification. Subjects completed HOOS JR, FJS, SANE, and PROMIS for physical function, pain intensity, and pain interference. The Mann-Whitney U test was used for intergroup mean comparisons and Fisher's exact test for categorical variables.
Results:
20 patients with prior hip arthroscopy were matched to 60 controls (mean age: 47.1 ± 7.2 years; BMI: 29.5 ± 4.2, 96% male). Patients who underwent hip arthroscopy prior to HRA reported significantly greater pain (33.8 vs. 13.2, p = 0.011), poorer FJS (46.6 vs. 70.5, p = 0.030), physical function (43.7 vs. 50.9, p = 0.018), SANE rating (59.9 vs. 82.6, p = 0.005), and satisfaction (66.1 vs. 88.1, p = 0.006) after HRA. 11 patients (55.0%) stated that their hip resurfacing procedure met their expectations compared to 52 patients (86.7%) in the control group.
Conclusions:
Patients who underwent hip arthroscopy prior to HRA have an association with significantly worse patient-reported outcome metrics, poor postoperative satisfaction, and higher postoperative pain.
