Purpose
To report and compare, according to sex and age, minimum 2-and minimum 5-year patient-reported
outcome scores (PROs) and survivorship in a large cohort of patients who underwent
primary hip arthroscopy for femoroacetabular impingement syndrome (FAIS).
Methods
Data from February 2008 to September 2018 were reviewed. Patients aged 60 and younger
who underwent primary hip arthroscopy with minimum 2-year follow-up were included.
Exclusion criteria were Tönnis grade >1, hip dysplasia, previous hip conditions, or
any labral treatment different than repair. Minimum 5-year PROs were also collected.
All patients included were divided into groups by sex. For further analysis, males
and females were stratified according to age: < 21 years old, 21–30 years old, 31–40
years old, 41–50 years old, and 51–60 years old.
Results
In total, 1,326 hips had minimum 2-year follow-up, including 860 (64.9%) females and
466 males (35.1%), with a mean age of 31.6 years (range, 12.8-60.9 years) and a mean
follow-up of 58.7 ± 28.9 months. Of those, 772 had minimum 5-year follow-up, 515 females
(66.7%), and 257 males (33.3%) with a mean age of 31.7 years (range, 13.1-60.7 years)
and a mean follow-up of 78.5 ± 23.0 months. All patients showed significant improvements
in PROs at minimum 2-and 5-year follow-up (P < .001). Between sex analysis revealed comparable PROs at latest follow-up between
females and males across any age group. Within sexes, and when sexes were combined,
patients <21 years old had significantly better outcomes compared to other age groups.
There were more females <21 years old that required revision arthroscopy than males
<21 years old (P = .015). Conversion to total hip arthroplasty (THA) showed no significant difference
between sexes (P > .05). Rates of THA were <21 years (.8%), 21-30 years (2.1%), 31-40 years (4%),
41-50 years (8.9%), and 51-60 years (14.3%).
Conclusions
Following primary hip arthroscopy for FAIS, all patients reported significant improvements
in all PROs at minimum 2-and minimum 5-year follow-up, with females and males achieving
similar success. Age affected outcomes, with patients under 21 years old reporting
better scores regardless of sex. Although the conversion rate to THA was similar between
the sexes, it was lower in the younger ages groups in both sexes.
Level of Evidence
III, retrospective comparative observation trial.
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Article info
Publication history
Published online: February 17, 2022
Accepted:
February 4,
2022
Received:
June 13,
2021
Footnotes
The authors report the following potential conflicts of interest or sources of funding: B.G.D. reports grants and other from American Orthopedic Foundation, during the conduct of the study; personal fees from Amplitude, grants, personal fees and nonfinancial support from Arthrex, personal fees and nonfinancial support from DJO Global, grants, personal fees and nonfinancial support from Medacta, grants, personal fees, nonfinancial support and other from Stryker, grants from Breg, personal fees from Orthomerica, grants and nonfinancial support from Medwest Associates, grants from ATI Physical Therapy, personal fees and nonfinancial support from St. Alexius Medical Center, grants from Ossur, outside the submitted work. In addition, he has a patent 8920497 - Method and instrumentation for acetabular labrum reconstruction with royalties paid to Arthrex, a patent 8708941 - Adjustable multi-component hip orthosis with royalties paid to Orthomerica and DJO Global, and a patent 9737292 - Knotless suture anchors and methods of tissue repair with royalties paid to Arthrex. He is also a board member of American Hip Institute Research Foundation, AANA Learning Center Committee, the Journal of Hip Preservation Surgery, the Journal of Arthroscopy; has had ownership interests in the American Hip Institute, Hinsdale Orthopedic Associates, Hinsdale Orthopedic Imaging, SCD#3, North Shore Surgical Suites, and Munster Specialty Surgery Center. D.R.M. is an editorial board member of the Journal of Arthroscopy. Full ICMJE author disclosure forms are available for this article online, as supplementary material. Full ICMJE author disclosure forms are available for this article online, as supplementary material.
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