先天性卵圆窗闭锁患者的听力检测结果分析

Audiological Characteristics in Patients with Congenital Atresia of the Oval Window

冯勃;杨仕明;戴朴;韩维举;刘军;申卫东;赵辉;朱玉华;侯朝辉;韩东一;

1:解放军总医院

2:解放军医学院耳鼻咽喉头颈外科

摘要
目的分析先天性卵圆窗闭锁患者的临床听力学特点。方法回顾性分析63例(77耳)经手术证实为先天性卵圆窗闭锁患者的临床症状及纯音听阈、声导抗检测特征。结果患者均表现为自幼听力差,多为单侧,伴耳鸣9例,无耳鸣54例,纯音测听显示为不同程度传导性听力损失(50耳,64.94%),或以传导性听力损失为主的混合性听力损失(27耳,35.06%),低频率段(0.125~1kHz)平均气导听阈为72.07±11.10dB HL,明显高于高频率段(2~8kHz)平均气导听阈(58.73±14.95dB HL)(P<0.01);低频率段(0.25~1kHz)平均骨导听阈为11.97±10.69dB HL,明显低于高频率段(2~4kHz)骨导听阈(19.03±13.55dB HL)(P<0.01),2kHz处骨导下降最为明显;低频率段平均气骨导差值(61.08±12.67dB)明显大于高频率段(39.51±11.38dB)(P<0.01);鼓室导抗图A型60耳,As型5耳,Ad型4耳,B型2耳,C型6耳;69耳鼓室压力均在正常范围,鼓室导抗图为C型的6耳鼓室压力在-110~-235daPa之间;77耳患侧和对侧镫骨肌声反射均消失。结论先天性卵圆窗闭锁患者主要表现为传导性听力损失,或以传导性听力损失为主的混合性听力损失;低频段气导听力损失大于高频段。
关键词
先天性;卵圆窗;闭锁;听力损失
基金项目(Foundation):
作者
冯勃;杨仕明;戴朴;韩维举;刘军;申卫东;赵辉;朱玉华;侯朝辉;韩东一;
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