Bankart repair alone in combined Bankart and superior labral anterior-posterior lesions preserves range of motion without compromising joint stability

Yoshiaki Itoigawa, Alexander W. Hooke, John W. Sperling, Scott P. Steinmann, Kristin D. Zhao, Eiji Itoi, Kai Nan An

Research output: Contribution to journalArticlepeer-review

Abstract

Hypothesis: The purpose was to investigate joint stability and range of motion after a Bankart repair without superior labral anterior-posterior (SLAP) repair (termed “Bankart repair”) and after combined Bankart and SLAP repairs (termed “combined repair”). Methods: Eight fresh-frozen shoulders were used. Combined Bankart and SLAP lesions were created (10- to 6-o'clock positions). The labrum and capsule were repaired at the 2-o'clock, 3:30 clock-face, and 5-o'clock positions in the Bankart repair group and at the 11-o'clock, 1-o'clock, 2-o'clock, 3:30 clock-face, and 5-o'clock positions in the combined repair group. The internal- and external-rotation ranges of motion were determined with the arm positioned at 0° and 60° of glenohumeral abduction. The rotation angle was defined when a constant torque of 200 N-mm was applied. Joint stability was measured with a custom stability-testing device. The peak translational force in the anterior-posterior direction was measured with the arm at the end range of external rotation. Results: External rotation angles were greater at 0° and 60° of abduction in the Bankart repair group than in the combined repair group (0° of abduction, P <.01; 60° of abduction, P <.05). The internal rotation angle was greater at 60° of abduction in the Bankart repair group than in the combined repair group (P <.01). The stability between the 2 groups was not significantly different (P =.60). Conclusion: In patients with combined Bankart and SLAP lesions and the need for a wide range of motion, a Bankart repair alone may provide a greater range of motion without compromising the joint stability at the end range compared with a combined repair.

Original languageEnglish
Pages (from-to)63-67
Number of pages5
JournalJSES International
Volume4
Issue number1
DOIs
Publication statusPublished - 2020 Mar

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Surgery

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