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Interportal and T-Capsulotomy Yield Similar Short-Term Outcomes After Hip Arthroscopy With Capsular Repair
Hayden P Baker1, Mason E Uvodich1, Alex Capitano1
1Hospital for Special Surgery, Sports Medicine Institute, New York, New York, U.S.A.
Summary
Hip arthroscopy using the limited interportal (IP) technique showed better patient-reported outcomes compared to the T-capsulotomy (TC) technique. Both methods improved function, but IP may offer greater functional advantages after hip impingement surgery.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Hip Arthroscopy
Background:
- Femoroacetabular impingement syndrome (FAIS) is a common cause of hip pain.
- Hip arthroscopy with capsular repair is a standard treatment for FAIS.
- The choice of capsulotomy technique may influence clinical outcomes.
Purpose of the Study:
- To compare clinical outcomes of hip arthroscopy for FAIS using limited interportal (IP) versus T-capsulotomy (TC) techniques.
- To evaluate patient-reported outcomes (PROs) and functional status post-surgery.
- To assess complication rates and the need for revision surgery.
Main Methods:
- Retrospective cohort study of patients ≤50 years old with FAIS undergoing primary hip arthroscopy.
- Comparison between patients treated with IP or TC capsulotomy, all with routine capsular closure.
- Analysis of PROs, minimum clinically important difference (MCID) achievement, and patient acceptable symptomatic state (PASS) thresholds.
Main Results:
- Both IP and TC groups demonstrated significant improvements in all PROs.
- No statistically significant difference in mean PRO improvements between groups.
- Exploratory analysis indicated higher PASS rates for IP in International Hip Outcomes Tool and PROMIS Physical Function scores.
- Similar rates of MCID achievement and no major complications or revisions in either group.
Conclusions:
- Both IP and TC hip arthroscopy techniques provide significant functional improvements for FAIS.
- The limited interportal capsulotomy may offer superior functional outcomes based on exploratory PASS analysis.
- Both techniques are safe and effective, with comparable complication and revision rates.
