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The prognosis following acute primary glenohumeral dislocation
R L te Slaa1, M P J M Wijffels, R Brand
1Department of Orthopaedics and Traumatology, Reinier de Graaf Groep, Reinier de Graafweg 3, 2625 AD Delft, The Netherlands.
The Journal of Bone and Joint Surgery. British Volume
|February 10, 2004
Summary
Younger patients under 20 have a high recurrence rate (64%) after acute glenohumeral joint dislocation. Age is the key factor, not sports activity, influencing shoulder instability recovery.
Area of Science:
- Orthopedics
- Sports Medicine
- Traumatology
Background:
- Acute, primary, dislocations of the glenohumeral joint are common injuries.
- Understanding recurrence patterns and prognostic factors is crucial for patient management.
Purpose of the Study:
- To analyze the incidence, recurrence rates, and outcomes of acute, primary glenohumeral joint dislocations.
- To identify prognostic factors, particularly age and activity level, influencing recurrence.
Main Methods:
- Retrospective study of 107 acute, primary glenohumeral joint dislocations in 105 patients.
- Follow-up averaged 71 months, assessing recurrence, Rowe scores, associated injuries, and return to employment.
Main Results:
- Overall recurrence probability within four years was 26%.
- Age was the most significant prognostic factor: 64% recurrence in patients <20 years vs. 6% in patients >40 years.
- No significant difference in recurrence between active and non-active patients; 19% had associated fractures, 21% had nerve injuries.
Conclusions:
- Age is the primary determinant of recurrence risk following acute glenohumeral joint dislocation.
- While many patients experience shoulder instability, return to previous employment is generally unaffected by the injured shoulder.