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目的探讨声带切断术治疗双侧声带外展的临床效果。方法对4例双侧声带外展麻痹，声门裂约2-2.5 mm患者作单侧声带切除术，并随访一年。结果全部4例均在术后一周阻管，安静及轻微活动后均无呼吸困难，发声较术前嘶哑。带管出院3个月后拔管。随访一年，呼吸正常，发声略嘶哑，但语言清晰。结论声带切除术可作为治疗双侧声带外展麻痹的一种方法。“,”Objective To investigate the clinical effects of cordotomy on bilateral cord abductal paralysis. Methods With unilateral cordotomy, we treated 4 patients with bilateral cord paralysis whose glottis size was about 2.0 mm to 2.5 mm. They were followed up for over one year.Results One week after surgery, the tracheotomy tubes of all 4 patients were plugged and no dyspnea occurred during rest and mild action. Their voices were more hoarse than before surgery. After 3 months,the tracheotomy tubes were successfully decannulated, and in the following one year, their respiration was normal and then speech was clear, although their voices were still a little hoarse.Conclusion We suggest that cordotomy be one option in the treatment of bilateral cord abductal paralysis.