ears′ hearing enhanced more than dB,9 ears′ difference between air conduction and bone conduction was no more than 0dB.气、骨导差≤ 0dB9耳 ,占 %。 结论 :同种异体鼓膜、听骨链用于鼓室成形 ,在根除病灶的基础上重建中耳传音结构 ,可改善听力。