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目的 探讨喉麻痹的神经吻合治疗术效果。方法 造成犬单侧喉返神经干完全性损伤 ,同时切断其喉内收肌支干 ,即行同期膈神经—喉返神经神显微神经吻合术 ,造成膈神经对同侧喉返神经外展肌支的单一支配。对正常、神经切断后立即及神经吻合术后 4月环杓后肌进行肌电功能学及形态学检查。结果 神经吻合术后 4月 ,环杓后肌肌电活动恢复 ,运动神经终板体系已开始形成 ,但要达到完全正常水平 ,仍需一定恢复时间。结论 喉返神经吻合术能有效治疗喉外展麻痹。
Objective To investigate the effect of anastomosis of laryngeal paralysis on nerve anastomosis. Method caused a complete recanalization of the unilateral recurrent laryngeal nerve canine injury, while cutting off the adductor musculoskeletal branch that line the same period phrenic nerve - recurrent laryngeal nerve microsurgical anastomosis, resulting in the phrenic nerve of the ipsilateral recurrent laryngeal nerve abductors A single control of the branch. Right normal and nerve cut immediately and nerve anastomosis in April after scaphic muscle EMG function and morphology. Results Neuromuscular anastomosis in April, cyclone posterior muscle myoelectrical activity recovery, motor nerve endplate system has begun to form, but to reach completely normal level, still need some recovery time. Conclusions Laryngeal nerve anastomosis can effectively treat laryngeal paralysis.