药物性虎口挛缩的治疗及远期疗效

Treatment and long-term effect of injection induced first web contracture

介绍３０例药物性虎口挛缩的治疗和远期疗效。３０例均采用“Ｚ”形切口，并同时切断挛缩的拇收肌和剥离第１骨间背侧肌。结果：３０例术后虎口开大度数，达到正常者３０侧，达到正常２／３者４侧。结论：药物性虎口挛缩，由于和外伤性虎口挛缩受伤机制不同，皮肤采用“Ｚ”形切口，均能达到满意效果。

Objective: To report the treatment and long-term effect in 30 patients (34 sides) of first web contracture induced by drug injection. Methods: Z plasty was used in all the cases with severance of contractured adductor policis and detachment of first interosscous dorsi. Results: The degree of first web after surgery reached normal in 30 sides, and reached the two third of normal in 4 sides. Conclusions: The mechanism of injection induced first web contracture is different from traumatic contracture. The result is satisfactory using Z plasty in the management of skin.