桡神经由C5～T1的神经根组成，是臂丛后束的主要神经，所支配各肌的主要功能是伸肘、伸腕和伸指。由于其位置表浅，是臂丛神经中最易受损的神经。本病多由外伤、感染、产伤、颈椎病、肿瘤、代谢障碍、各种中毒、及手臂长时间放置位置不当引起，其临床表现主要为运动障碍，典型症状为垂腕。
结论非创伤性桡神经麻痹病因较多，手术治疗效果良好。
Conclusion The etiology of non traumatic paralysis of radial nerve was miscellaneous. The results of surgical treatment were satisfactory.
微创钢板固定技术治疗伴桡神经麻痹的肱骨干中下段骨折。
Minimally invasive percutaneous plate osteosynthesis (MIPPO) technique applied in the treatment of humeral shaft distal fractures through a lateral approach.
肱骨干骨折后桡神经麻痹总的恢复率为88.1%，早期保守治疗的病例自发性恢复率为70.7%。
The overall recovery rate of RNP was 88.1%, with a general rate of spontaneously recovery reaching 70.7% in conservatively treated patients.
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