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Outcomes and Return-to-Sport Rates for Elite Athletes With Femoral Retroversion Undergoing Hip Arthroscopy: A
Jade S Owens1, Andrew E Jimenez1, Michael S Lee1
1American Hip Institute Research Foundation, Chicago, Illinois, USA.
Background:
Return to sports (RTS) and patient-reported outcomes (PROs) for elite athletes with femoral version abnormalities undergoing hip arthroscopy have not been well established.
Purposes:
To (1) report minimum 2-year PROs and RTS rates in elite athletes with femoral retroversion who underwent primary hip arthroscopy and (2) compare clinical results to those of a propensity-matched control group of elite athletes with normal femoral version who underwent primary hip arthroscopy.
Study Design:
Cohort study; Level of evidence, 3.
Methods:
Data were prospectively collected and retrospectively reviewed for elite (professional and collegiate) athletes with femoral version <5°, as measured on magnetic resonance imaging scans, who underwent hip arthroscopy for femoroacetabular impingement syndrome between March 2010 and April 2018. Inclusion criteria were preoperative and minimum 2-year follow-up PROs for the modified Harris Hip Score, Nonarthritic Hip Score, Hip Outcome Score-Sports Specific Subscale (HOS-SSS), and visual analog scale for pain. Exclusion criteria were Tönnis grade >1, hip dysplasia, and previous ipsilateral hip surgery or conditions. Rates of achieving the minimal clinically important difference (MCID), Patient Acceptable Symptom State (PASS), and maximum outcome improvement satisfaction threshold were recorded in addition to RTS. Athletes with retroversion were propensity matched in a 1:2 ratio to elite athletes with normal femoral version (5°-20°) for comparison.
Results:
A total of 33 elite athletes (33 hips) with femoral retroversion who underwent hip arthroscopy met the inclusion criteria, and follow-up was available for 30 hips in 30 athletes (90.9%) at an average of 36.1 ± 25.6 months. Elite athletes with femoral retroversion demonstrated significant improvements in all recorded PROs, achieved the MCID and PASS for the HOS-SSS at high rates (86.7%), and returned to sports at a rate of 83.3%. PROs, rates of achieving MCID and PASS for the HOS-SSS, and RTS rates were similar between the study and propensity-matched control group.
Conclusion:
Elite athletes with femoral retroversion undergoing primary hip arthroscopy demonstrated favorable PROs and high RTS rates at a minimum 2-year follow-up. These results were comparable with those of a propensity-matched control group of elite athletes with normal femoral version.
