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The Effect of Glenoid Version on Glenohumeral Instability
Andrew J Sheean1, Brett D Owens, Bryson P Lesniak
1From the Department of Orthopaedic Surgery, San Antonio Military Medical Center, San Antonio, TX (Sheean), Brown University, Providence, Rhode Island (Owens), and University of Pittsburgh (Lesniak and Lin), Pittsburgh, PA.
The Journal of the American Academy of Orthopaedic Surgeons
|September 27, 2022
Summary
Glenoid version significantly impacts glenohumeral instability, influencing joint stability and surgical outcomes. Further research is needed to fully understand its role in anterior instability and surgical success rates.
Area of Science:
- Orthopedic Surgery
- Biomechanics
- Sports Medicine
Background:
- Glenoid and humeral bone loss are key factors in glenohumeral instability.
- The influence of glenoid version on instability is less understood.
- Limited data suggest glenoid version affects joint destabilization forces.
Purpose of the Study:
- To investigate the role of glenoid version in glenohumeral instability.
- To clarify the relationship between glenoid version and clinical instability.
- To assess the impact of glenoid version on surgical stabilization outcomes.
Main Methods:
- Review of biomechanical studies on glenoid version and joint stability.
- Analysis of clinical studies examining glenoid version and instability.
- Evaluation of surgical stabilization failure rates in relation to glenoid version.
Main Results:
- Biomechanical data suggest altered glenoid version affects joint stability.
- Clinical evidence for glenoid version's role in anterior instability is inconsistent.
- Increased glenoid retroversion may be a risk factor for posterior instability.
Conclusions:
- Glenoid version's influence on glenohumeral instability requires further investigation.
- The relationship between glenoid version and surgical outcomes needs clarification.
- Understanding glenoid version is crucial for optimizing instability treatment.
