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3205000 
Journal Article 
Arthroscopic assisted mini-open approach for femoroacetabular impingement: Early multicentric experience 
Ezechieli, M; De Meo, F; Bellotti, V; Cardenas, C; Astarita, E; Cavaliere, P; Windhagen, H; Ribas, M 
2015 
1 
Technology and Health Care
ISSN: 0928-7329
EISSN: 1878-7401 
English 
26757442 
BACKGROUND: Surgical treatment of femoroacetabular impingement is becoming accepted worldwide, owing to improvements in clinical results and quality of life. In addition to treatment by surgical dislocation or arthroscopy, arthroscopic assisted mini-open approach was postulated to treat this pathology.

OBJECTIVE: The aim of this study was to analyse early results of the first consecutive 72 cases of femoroacetabular impingement treated using the arthroscopic assisted mini-open approach in two different centres by two surgeons trained by a senior surgeon experienced in the technique.

METHODS: Seventy-two consecutive cases of femoroacetabular impingement were operated in arthroscopic assisted mini-open approach technique in two different centres. After a mean follow-up time of 15 months (range 6-24 months), the Western Ontario and McMaster Universities Arthritis Index, Hip disability and Osteoarthritis Outcome Score and University of California, Los Angeles activity score, alpha angle and Wiberg angle were obtained.

RESULTS: In both centres, all three scores showed significantly better results at follow-up time than preoperatively. The Western Ontario and McMaster Universities Arthritis Index increased from 64.3 to 91.4 (A) and from 68.1 to 89 (B). The Hip disability and Osteoarthritis Outcome Score increased from 59.5 to 94.4 (A) and from 62.1 to 93.8 (B). The University of California, Los Angeles activity score increased from 5.2 to 8.1 (A) and from 5.3 to 8.4 (B). The alpha angle and the Wiberg angle were significantly reduced after osteoplasty. The overall complication rate was low.

CONCLUSIONS: Early results of this study show a good clinical and radiological outcome; therefore, the arthroscopic assisted mini-open approach can be used as an alternative in treating femoroacetabular impingement.