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Purpose: The surgical correction of FAI deformity is a well accepted treatment in patients presenting with hip pain with associated labral-chondral damage. The anterior approach with assisted hip arthroscopy provides access to the anterior head-neck junction with potentially quicker recovery for patients. The purpose of this study is to present the safety and efficacy of this approach in performing impingement surgery.
Method: Forty-eight Hueter procedures were performed in 45 patients (13 males and 32 females). Mean age was 42.09 years (range, 21–65 years), and mean BMI was 24.31(range, 21–33). The scope was performed first to deal with intra-articular damage. All patients were diagnosed with CAM type FAI with labral pathology based on MRI arthrogram with an alpha angle >
50.5 degrees.
Results: At a mean follow-up of 21.8 months (range 12–30 months), Harris Hip scores improved from 64.66 (range, 42.0–93.0) to 79.97 (range, 47.0–96.0). There were 5 re-operations at a mean time of 15.2 months (range, 4–22). One had a repeat hip scope for intra-articular adhesions, and another for recurrent traumatic tear of the labrum. Three cases with residual hip dysplasia had corrective surgery with a peri-acetabular osteotomy at an average of 16.67 months (range, 15–18 months).
Conclusion: Overall, we have found this to be a reliable, safe and reproducible approach to the treatment of FAI. This is a day care procedure as compared to the classic open procedure. Uncorrected hip dysplasia in the presence of a CAM deformity is a risk factor for early failure.