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Clinical and Morphologic Factors Associated with Suture Anchor Refixation of Labral Tears in the Hip

  • Original Article
  • Published:
HSS Journal ®

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.

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Acknowledgments

This project was partially funded by a research grant from Mitek Sports Medicine.

Disclosures

ᅟ

Conflict of Interest:

John A. Ruder, BS and Erin Magennis, BA have declared that they have no conflict of interest. Bryan T. Kelly, MD received grant funding from Mitek Sports Medicine for the study.

Human/Animal Rights:

All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008 (5).

Informed Consent:

Informed consent was obtained from all patients for being included in the study.

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Authors and Affiliations

  1. University of Central Florida College of Medicine, 2048 Shroud St. Apt 306, Orlando, FL, 239-537-1580, USA

    John A. Ruder BS

  2. Hospital for Special Surgery, 535 East 70th Street, New York, NY, 10021, USA

    Erin Magennis BA, Anil S. Ranawat MD & Bryan T. Kelly MD

Authors
  1. John A. Ruder BS
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  2. Erin Magennis BA
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  3. Anil S. Ranawat MD
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  4. Bryan T. Kelly MD
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Corresponding author

Correspondence to John A. Ruder BS.

Additional information

Level of Evidence: Level II evidence; Development of diagnostic criteria on basis of consecutive patients.

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Ruder, J.A., Magennis, E., Ranawat, A.S. et al. Clinical and Morphologic Factors Associated with Suture Anchor Refixation of Labral Tears in the Hip. HSS Jrnl 10, 18–24 (2014). https://doi.org/10.1007/s11420-013-9372-6

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  • DOI: https://doi.org/10.1007/s11420-013-9372-6

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