Midterm Outcomes of Iliopsoas Fractional Lengthening for Internal Snapping as a Part of Hip Arthroscopy for Femoroacetabular Impingement and Labral Tear: A Matched Control Study.

Authors:
Itay Perets
Itay Perets
American Hip Institute
Edwin O Chaharbakhshi
Edwin O Chaharbakhshi
American Hip Institute
Yosif Mansor
Yosif Mansor
American Hip Institute
Brian H Mu
Brian H Mu
American Hip Institute
Muriel R Battaglia
Muriel R Battaglia
American Hip Institute
Westmont | United States
Benjamin G Domb
Benjamin G Domb
American Hip Institute
United States

Arthroscopy 2019 May 15;35(5):1432-1440. Epub 2019 Apr 15.

American Hip Institute, Westmont, Illinois, U.S.A.. Electronic address:

Purpose: To report minimum 5-year outcomes and rate of painful snapping resolution for patients who underwent iliopsoas fractional lengthening (IFL) as a part of hip arthroscopy for femoroacetabular impingement (FAI) and labral tear. In addition, to match this group to a group of patients who underwent hip arthroscopy for FAI and labral tear without internal snapping.

Methods: Patients were eligible for inclusion if they underwent hip arthroscopy for treatment of FAI and labral tear with concomitant IFL for painful snapping and had preoperative baseline scores for modified Harris Hip Score, Nonarthritic Hip Score, Hip Outcome Score-Sports Subscale, and visual analog scale for pain. The exclusion criteria for this study were preoperative Tönnis grade >0, active workers' compensation claims, or previous ipsilateral hip conditions. These patients were matched to a control group of patients who did not have snapping or undergo IFL but who otherwise satisfied the same inclusion and exclusion criteria.

Results: There were 57 eligible cases (80.3% follow-up). Mean follow-up time was 69.3 months (from 60.0 to 91.9). All patient-reported outcomes measures demonstrated statistically significant improvements between preoperative and latest follow-up scores for the following measures (P < .001): modified Harris Hip Score (from 64.3 to 84.9), Nonarthritic Hip Score (from 61.7 to 85.2), Hip Outcome Score-Sports Subscale (from 47.0 to 75.0), and visual analog scale (from 6.5 to 2.2). Mean satisfaction was 8.1 out of 10. Painful snapping was resolved in 80.7% of cases. Ten hips (17.5%) required secondary arthroscopy at a mean of 30.5 months. Three hips (5.3%) required total hip arthroplasty at a mean of 57.5 months. One case (1.8%) had minor postoperative complications. There were no statistically significant differences between the groups in outcomes, complications, and secondary surgeries.

Conclusions: IFL as part of hip arthroscopy for treatment of FAI and labral tears demonstrated similar favorable improvement, complication rates, and secondary surgeries, when compared with a control group that did not undergo IFL.

Level Of Evidence: Level III, retrospective comparative study.

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Source
http://dx.doi.org/10.1016/j.arthro.2018.11.050DOI Listing
May 2019
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