Objective To evaluate the long-term results of reconstructing shoulder abduction by transfering nerve early for treating the C5-7 root injury of brachial plexus. Methods Eleven patients with the complete C5-7 root injury were surgically treated to reconstruct shoulder abduction function with the double nerve transfer. The accessory nerve was transferred to the suprascapular nerve,the nerve branch to the long head of triceps muscle from radial nerve to the deltoid branch of axillary nerve. The electrophysiological technique was carried out before and during operation in order to improve the accuracy and feasibility of procedures. Results All patients were followed up from 37months to 96 months (67.8 months on average). The shoulder function was rated as excellent in 9 cases,as good in 7 cases and the recovery results of shoulder abduction,superduction and external ro-tation are satisfied. There was the regenerative potential in deltoid and the supraspinatus and the infraspinatus of 6 patients 3 months after operation. Conclusion The double nerve transfer in reconstructing shoulder abduction is more effective and reason-able after diagnosed as the C5-7 root injury,Which has improved the efficiency of shoulder abduction reconstruction.%目的 分析早期移位桡神经三头肌肌支及副神经治疗臂丛颈5-7根性损伤中重建肩外展功能的长期疗效.方法 臂丛颈5-7根性损伤11例,确诊后早期即施行神经移位术:桡神经肱三头肌长头支移位至腋神经的三角肌支、副神经移位至肩胛上神经,施行双重移位,同时重建冈上下肌与三角肌的功能.术中运用电生理技术,增加手术的准确性和合理性.并进行了平均67.8个月的长期随访,按结果分析疗效.结果 优9例,良2例,肩外展功能恢复满意.6例在术后约3个月冈上下肌、三角肌电生理检查即可检出再生电位.结论 臂丛颈5-7根性损伤确诊后,早期行副神经及肱三头肌肌支双重移位是重建肩外展功能安全有效的方法,提高了肩外展的修复效率.
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