Arthroscopic labral repair versus labral debridement in patients with femoroacetabular impingement: a minimum 2.5 year follow-up study

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Abstract

Purpose:

To compare the clinical results of labral repair with labral debridement in patients undergoing arthroscopy for femoroacetabular impingement.

Methods:

Between July 2008 and December 2011, 67 patients (73 hips) underwent arthroscopic treatment for femoroacetabular impingement. The repair group consisted of 33 patients; 18 hips with pincer only, 1 with CAM only and 15 with combined impingement. The debridement group contained 34 patients; 6 with pincer only, 5 with CAM only and 28 with combined type. The mean age in the repair group was 33.5 years (range, 30–61) and in the debridement group was 39.5 years (range, 18–59 y). At the time of last follow-up, patient's hip function was evaluated with ROM of the hip; daily Hip Outcome scores (dHOS) and Visual Analogue Score (VAS).

Results:

The mean follow-up was 45.2 month in the repair group and 47.2 month in debridement group. Daily hip outcome scores were significantly improved from preoperatively to last follow-up in both groups (p<0.05). However, there were no statistical significant difference in dHOS between repair and debridement groups (p>0.05) at last follow-up. 2 patients in the repair group and 1 patient in the debridement group had undergone total hip replacement at an average of 16 months (range, 4–32 m) after arthroscopic treatment. Hip joint instability occurred in 1 patient in the repair group due to aggressive capsular resection. This was treated by a periacetabular osteotomy.

Conclusions:

No difference in hip functional outcomes was observed between labral debridement and labral repair in arthroscopic treatment of femoroacetabular impingement.

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