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HSS J. 2014 Feb;10(1):18-24. doi: 10.1007/s11420-013-9372-6. Epub 2013 Dec 3.

Clinical and morphologic factors associated with suture anchor refixation of labral tears in the hip.

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1
University of Central Florida College of Medicine, 2048 Shroud St. Apt 306, Orlando, FL 239-537-1580 USA.
2
Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021 USA.

Abstract

BACKGROUND:

The acetabular labrum is critical to hip function. Surgical options for treatment of a damaged labrum include removal, debridement, and refixation using suture anchors.

QUESTIONS/PURPOSES:

The purpose of this study is to determine if certain patient demographic and osseous morphological factors result in increased labral damage requiring refixation.

METHODS:

Data was collected prospectively from a consecutive series of 334 procedures performed from August 2010 to June 2011 for femoroacetabular impingement. Demographic data, including age, sex, and race, was collected from patient charts. Three-dimensional (3D) CT scans were reviewed to retrieve alpha angles, acetabular version, femoral version, and lateral center edge angle on the symptomatic hip.

RESULTS:

In 238 (71.3%) of the procedures, the labrum required refixation using suture anchors with a mean of 2.74 anchors being used. Of males, 78.8% required suture anchors and 62.3% of females required suture anchors. Among procedures requiring suture anchors, significantly more suture anchors were used in males (2.92) than females (2.47). Regression analysis showed a positive association between alpha angle, acetabular retroversion at 1 and 2 o'clock, and the number of suture anchors used. The mean alpha angle in the cohort that required suture anchors (63.1°) was significantly greater than the cohort that did not (59.4°).

CONCLUSION:

This study found femoral deformities to contribute more to labral damage than acetabular deformities and highlighted the importance of preoperative 3D CT scans. This study provides demographic and morphologic factors to review preoperatively to evaluate if extensive labral damage is present and if suture anchor refixation will be required.

KEYWORDS:

3D CT scans; femoroacetabular impingement; hip pain; labral repair; labral tears

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