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Predisposing factors for recurrent shoulder dislocation after arthroscopic treatment
Giuseppe Porcellini1, Fabrizio Campi, Francesco Pegreffi
1Unit of Shoulder and Elbow Surgery, D. Cervesi Hospital, Via LV Beethoven 1, 47841 Cattolica, Italy. chirurgiaspalla@virgilio.it
The Journal of Bone and Joint Surgery. American Volume
|November 4, 2009
Summary
Identifying patients at high risk for shoulder redislocation after arthroscopic repair is possible. Preoperative assessment of sex, age, and time to surgery can predict recurrence risk in anterior shoulder instability.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Shoulder Instability Research
Background:
- Arthroscopic repair for anterior shoulder dislocation can lead to failure and redislocation.
- Preoperative identification of high-risk patients for redislocation is crucial for successful surgical outcomes.
Purpose of the Study:
- To identify preoperative risk factors for recurrence in patients with traumatic unidirectional shoulder instability treated with arthroscopic repair.
Main Methods:
- A cohort of 385 patients undergoing arthroscopic Bankart repair for anterior unidirectional instability between 2000 and 2003 was analyzed.
- Demographic data and clinical follow-up at multiple intervals up to 36 months were collected.
Main Results:
- The overall redislocation rate was 8.1% at 36 months.
- Younger patients (≤22 years) had a higher redislocation rate (13.3%) compared to older patients (6.3%).
- Significant risk factors for recurrence included younger age at first dislocation, male sex, and longer time from first dislocation to surgery.
Conclusions:
- Preoperative identification of patients at higher risk for redislocation after arthroscopic anterior shoulder dislocation repair is feasible.
- Key predictive factors for recurrence are patient sex, age at first dislocation, and the interval between the initial dislocation and surgical intervention.