Zhonghua wai ke za zhi [Chinese journal of surgery] · 2000
[Does simple posterior dislocation of the elbow necessitate strict immobilization?].
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Jiang X, Zhang L, Gong M, Hong L, Wang M, Zhai G
Аннотация
OBJECTIVE: To research for the ideal treatment of isolated posterior dislocation with the elbow after reduction.
METHODS: 36 patients of isolated posterior dislocation of the elbow after closed reduction (male 26, female 10; left 14, right 22; dominant extremity 21, undominant extremity 15; average age 22) were examined by varus and valgus stress test and push-draw test. Satisfactory stability from 30 degrees to 130 degrees flexion of the elbow was found in all patients. For the 30 patients below 35 years old, long-arm posterior splint was applied to immobilize the elbow joint at 90 degrees flexion and pronation for one week. For 6 patients over 35 years old, we only immobilized the elbow joint for 3 to 5 days with a neck-wrist sling. Prompt active motion begin after the swelling and pain reduced slightly, but the last 30 extension was not allowed for the first 1 to 2 weeks. Forceful passive motion and stretching of the elbow joint were avoided in all patients.
RESULTS: The average follow-up time was 9 months (3 - 15 months). Range of motion and muscle power were regained within 3 - 4 months. 32 patients rehabilitated completely and 4 of the 6 patients decreased extension for 5 degrees - 10 degrees. No unstable symptoms and signs or recurrent dislocation were found. No ectopic calcification or post-traumatic arthritic changes were found on X-ray follow-up.
CONCLUSIONS: The ulna-humeral joint is one of the most highly constrained joints in the body with intrinsic stability. Bony structure is stable enough to allow for capsular and ligamental structure healing, even during active motion. For isolated posterior dislocation of the elbow joint, short-term immobilization and early functional exercise are desirable. Elbow instability and recurrent dislocation are rare and do not necessitate long-term strict immobilization.
METHODS: 36 patients of isolated posterior dislocation of the elbow after closed reduction (male 26, female 10; left 14, right 22; dominant extremity 21, undominant extremity 15; average age 22) were examined by varus and valgus stress test and push-draw test. Satisfactory stability from 30 degrees to 130 degrees flexion of the elbow was found in all patients. For the 30 patients below 35 years old, long-arm posterior splint was applied to immobilize the elbow joint at 90 degrees flexion and pronation for one week. For 6 patients over 35 years old, we only immobilized the elbow joint for 3 to 5 days with a neck-wrist sling. Prompt active motion begin after the swelling and pain reduced slightly, but the last 30 extension was not allowed for the first 1 to 2 weeks. Forceful passive motion and stretching of the elbow joint were avoided in all patients.
RESULTS: The average follow-up time was 9 months (3 - 15 months). Range of motion and muscle power were regained within 3 - 4 months. 32 patients rehabilitated completely and 4 of the 6 patients decreased extension for 5 degrees - 10 degrees. No unstable symptoms and signs or recurrent dislocation were found. No ectopic calcification or post-traumatic arthritic changes were found on X-ray follow-up.
CONCLUSIONS: The ulna-humeral joint is one of the most highly constrained joints in the body with intrinsic stability. Bony structure is stable enough to allow for capsular and ligamental structure healing, even during active motion. For isolated posterior dislocation of the elbow joint, short-term immobilization and early functional exercise are desirable. Elbow instability and recurrent dislocation are rare and do not necessitate long-term strict immobilization.