- 期刊
Dynamic Tendon Transfer for Claw Hand Deformity
使用韌帶轉移術來矯正爪形手變形
摘要
長期正中及尺神經麻痺造成手部肌肉萎縮以及手指呈現爪形手(claw hand)變形，這對於手部精細的動作與手部的抓握功能有相當大的影響。我們報告一位29歲男性汽車修護工人，因為先前的正中及尺神經受傷而造成正中及尺神經控制的肌肉麻痺，甚至產生爪形手變形，由於他需要改善手部抓握功能來進行他的日常工作，於是我們採取使用橈側伸腕短肌肌腱合併使用伸趾肌腱韌帶移植來重建手部的抓握功能，並矯正手指的變形。在手術過後，我們的個案能夠維持完整的手指握拳及伸直，而且回復動態獨立的掌指關節彎曲並且改善他的抓握功能。
關鍵字
無資料並列摘要
In low median-ulnar nerve palsy, the complete loss of intrinsic motor muscles (interosseous, lumbrical, thenar, and hypothenar muscles) produces a claw hand deformity. The net effects of intrinsic muscle loss include the disturbance of precision and fine motor coordination, diminished muscle volume, severe impairment of power pinch and grasp, and creation of posture deformity to the index, middle, ring, and little fingers. We describe a 29-year-old man suffering low median-nerve and ulnar-nerve palsy with claw hand deformity. We corrected the claw hand deformity using free tendon grafts to transfer the flexion tension of the extensor carpi radialis brevis tendon unit to the metacarpophalangeal joints.