Round versus tape sutures with interference fit anchors perform similarly in cadaveric glenoid and greater tuberosity biomechanical testing - Summary - MDSpire
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Round and tape sutures show comparable biomechanical performance with interference-fit anchors in cadaveric glenoid and greater tuberosity testing

  • By

  • James D Dimitroff

  • Conor Smith

  • Stefan Hanish

  • Lasun O. Oladeji

  • Will Bezold

  • Clayton W Nuelle

  • Matthew J Smith

  • October 7, 2026

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Objective:

To compare round and flat tape sutures for pullout strength at the suture–anchor interface in interference-fit anchors placed in the glenoid and greater tuberosity.

Approach:
  • Design: Cadaveric biomechanical testing used five pairs of fresh-frozen shoulders from donors aged 32–50 years (mean age, 44.4 years).
  • Glenoid testing: Four glenoid pairs were tested at standardized posterior sites using 2.9-mm anchors paired with 1.3-mm SutureTape, 1.5-mm LabralTape, or #2 FiberWire. Each construct underwent 16 tests, for 48 tests overall.
Interpretation:

The supplied context describes the study rationale, hypothesis, and methods but does not provide the biomechanical results.

Limitations:
  • The provided article context ends during the methods and contains no results or discussion.
  • Bone mineral density and other objective measures of bone quality were unavailable.
Conclusion:

The authors hypothesized that flat tape sutures would have lower pullout strength than round sutures at the suture–anchor interface because their compressed geometry beneath an interference-fit anchor would make them more prone to slippage.

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