Methods Twenty-six patients (29 ears) undergoing stapedotomy with semiconductor diode laser and 19 patients (21 ears) with microdrill were compared for the hearing results and complication rates.

• 方法回顾分析了1998年至2007年资料完整的部分耳硬化症病例45例（50耳），对半导体激光足板开窗术26例（29耳）和机械足板小孔开窗术19例（21耳）患者的术后听力指标及并发症进行了统计分析。