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目的为临床儿童尺神经前置术提供解剖学基础。方法 10具(共20肘)福尔马林固定的6~8岁儿童尸体上肢标本,解剖尺神经沟、尺神经行径伴行血管以及尺神经前置后解剖关系。结果尺神经主要接受尺侧上副动脉血供,前臂尺神经的血供则主要由尺动脉提供,尺侧上副动脉、尺侧下副动脉及尺侧返动脉后支血管的大部分行程与尺神经紧贴伴行,在尺神经前置越过肱骨内上髁时,不会造成伴行血管过度牵拉而对尺神经血供造成影响。尺神经前置后滑动性好,有良好的组织床,同时又能解除屈肘对尺神经牵拉。结论研究结果显示:尺神经前置术不会影响神经血供,具有可行性,前置时需切断上臂内侧肌间隔,皮下前置滑动性好。
Objective To provide anatomical basis for clinical children ulnar nerve preoperative. Method 10 (total 20 elbows) autopsy specimens from 6 to 8-year-old children with formalin-fixed autopsy, anatomical ulnar nerve ditch, ulnar nerve pathology accompanying vessel, and ulnar nerve anterior anatomical relationship. Results The ulnar nerve was mainly received by the superior ulnar artery. The blood supply to the forearm ulnar nerve was mainly provided by the ulnar artery. Most of the stroke of the ulnar superior artery, ulnar inferior artery and ulnar artery were Ulnar nerve close companion, in front of the ulnar nerve over the medial epicondyle of the humerus, will not cause excessive blood vessels accompanied by pulling the ulnar nerve blood supply impact. Ulnar nerve posterior sliding good, good tissue bed, while relieving elbow flexor ulnar nerve. Conclusion The results show that ulnar nerve preoperative does not affect the nerve blood supply, it is feasible to cut off the medial upper arm muscle space in the anterior segment, and the subcutaneous anterior sliding is good.