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Use of the Intercostal Nerves Neurotization for Elbow Flexion in Brachial Plexus Injury Reconstruction: Comparison of Two Methods

對臂神經叢損傷患者利用肋間神經移轉手術達成手肘彎曲功能之重建-比較兩種手術方法

並列摘要


The objective of this study was to compare the clinical outcomes of 2 types of commonly used methods for brachial plexus injury (BPI) reconstruction: the 2 intercostal nerves (2 ICN) and 3 intercostal nerves (3 ICN) neurotization. From 1996 to 1999, we conducted this prospective randomized study on 20 patients (18 male, 2 female) with BPI. The patients were divided into 2 groups: Group 1 (n=10) had transfer of 2 ICN (T3, T4) for elbow flexion, and Group 2 (n=10) were patients that had transfer of 3 ICN (T3, T4, T5) for elbow flexion. This neurotization procedure was achieved using a 10-0 nylon suture anastomosis with a musculocutaneous nerve. Elbow flexion was evaluated by the Medical Research Council Grading system. The average follow up period was 2.5 years. In Group 1, the elbow flexion was M3 in 70% of our cases, and M4 in 60% of cases. In Group 2, the elbow flexion was M3 in 80% and M4 in 60% cases. It took 5 to 15 months (average 8 months) to obtain M3, and 11 to 30 months (average 17 months) to obtain M4. There was no significant difference in the muscle power and time for elbow function recovery between the two groups.

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