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Surgical stabilization for first-time shoulder dislocators: a multicenter analysis.

Caitlin M Rugg1, Carolyn M Hettrich2, Shannon Ortiz3

  • 1Department of Orthopaedic Surgery, University of California, San Francisco, San Francisco, CA, USA.

Journal of Shoulder and Elbow Surgery
|January 12, 2018
PubMed
Summary
This summary is machine-generated.

First-time shoulder dislocation surgery often involves arthroscopic repair, with less bone loss and biceps issues compared to recurrent cases. Further research is needed for long-term outcomes in surgical stabilization.

Keywords:
Glenohumeral instabilitybiceps pathologyfirst-time dislocatorrecurrent dislocatorshoulder dislocationshoulder stabilization

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Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Traumatology

Background:

  • Anterior shoulder dislocations in young individuals frequently lead to recurrent instability.
  • Surgical stabilization is sometimes recommended after a single dislocation, but evidence for first-time dislocators is limited.

Purpose of the Study:

  • To compare surgical treatment and outcomes for first-time versus recurrent anterior shoulder dislocators.
  • To identify differences in preoperative characteristics, surgical findings, and procedures performed between these groups.

Main Methods:

  • Prospective enrollment of 172 patients undergoing surgical stabilization for anterior shoulder instability across multiple institutions (2015-2017).
  • Stratification of patients based on the number of dislocations prior to surgery (1, 2-5, >5).
  • Comparison of demographic data, patient-reported outcomes, imaging, and surgical findings using ANOVA, chi-squared tests, and logistic regression.

Main Results:

  • No significant differences in demographics or preoperative outcomes between groups.
  • Increased glenoid bone loss noted in patients with multiple dislocations (P=.043).
  • First-time dislocators more often had arthroscopic Bankart repair/capsular plication, while recurrent dislocators underwent open Bristow-Latarjet procedures and treatment for biceps pathology.

Conclusions:

  • First-time shoulder dislocators undergoing stabilization are more likely to have arthroscopic procedures and less likely to present with bone loss or biceps pathology.
  • Further investigation is required to determine the long-term efficacy of surgical stabilization based on the number of prior dislocation events.