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Outcomes of hip arthroscopy. A prospective analysis and comparison between patients under 25 and over 25 years of age


Objective To compare the results of hip arthroscopy in patients under the age of 25 with those over 25 years.

Design From March 2006 until May 2010, data were collected on all patients who underwent hip arthroscopy for symptomatic intra-articular hip pathology. The patients were divided into two groups based on age (less than 25 years and over 25 years). Patients completed the modified Harris hip score (MHHS), non-arthritic hip score (NAHS) and hip dysfunction and osteoarthritis outcome score (HOOS) questionnaires at baseline then at 6 weeks, 6 months, 12 months and at latest follow-up.

Participants 88 patients who underwent 94 hip arthroscopies by the senior author. Mean age was 24.3 (range 11–57 years).

Results The mean NAHS and HOOS subscales for pain and activities of daily living were worse at baseline in over 25 groups. Follow-up ranged from 9 to 68 months. 45 hips had greater than 3 year follow-up. The MHHS improved in both groups with a mean difference in the under-25 group of 16.22, and 20.88 in the over 25s. Improvements in the NAHS and HOOS subscales were also of a similar magnitude. There was no statistically significant difference between outcome scores of the two groups at the latest follow-up visit.

Conclusions We found a comparable improvement in outcome between those patients under 25 years and those over 25 years. We propose that hip arthroscopy is of potential benefit to patients with symptoms of femoroacetabular impingement regardless of age.

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