Objective To investigate the causes of lasting hoarseness due to endotracheal intubation and to evaluate the effect of arytenoid reduction.

• 目的探讨气管插管后持续性声嘶的原因及评估杓状软骨复位术的治疗效果。方法对78例病人通过检查及疗效观察，确定声嘶原因。