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Posterior instability.
1Department of Orthopaedic Surgery, McGill University, Jewish General Hospital, Montreal, Quebec, Canada.
The Orthopedic Clinics of North America
|March 13, 2002
Summary
Posterior shoulder instability in athletes can be effectively treated with arthroscopic posterior capsulolabral repair. This technique restores glenoid depth and tightens the capsule, enhancing shoulder stability.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Anatomy
Background:
- Posterior shoulder instability is increasingly diagnosed in athletes.
- Traditionally attributed to capsular laxity, recent research highlights glenolabral integrity and glenoid depth.
- Pathological lesions of the glenolabral concavity are associated with posteroinferior instability.
Purpose of the Study:
- To evaluate the efficacy of arthroscopic posterior capsulolabral repair and augmentation for treating posteroinferior shoulder instability.
- To assess the technique's ability to restore glenoid concavity depth and reduce capsular volume.
Main Methods:
- Arthroscopic surgical techniques were employed.
- The procedure involves deepening the glenoid concavity and reducing capsular volume.
- Capsular shifting buttresses the glenoid labrum to increase capsular tension.
Main Results:
- The described arthroscopic technique effectively restores glenoid concavity depth.
- Redundant posteroinferior capsule is reduced, enhancing glenohumeral stability.
- The procedure demonstrated effectiveness in treating posteroinferior instability.
Conclusions:
- Arthroscopic posterior capsulolabral repair and augmentation is a viable treatment for posteroinferior shoulder instability.
- This technique addresses both capsular laxity and glenolabral pathology.
- The procedure enhances glenohumeral stability by increasing capsular tension and restoring glenoid anatomy.