咽鼓管功能对行Ⅰ型鼓室成形术的慢性中耳炎患者短期听力影响分析

目的 通过对耳内镜下Ⅰ型鼓室成形术治疗慢性化脓性中耳炎患者的临床资料分析，探讨咽鼓管功能对其听力影响。方法 收集诊断为慢性化脓性中耳炎患者42例，结合声导抗正负压平衡试验和咽鼓管功能障碍评分量表(ETDQ-7)将分为咽鼓管功能障碍患者作为研究组(25例)，将咽鼓管功能正常患者作为对照组(17例)，对比分析两组患者手术前后听力的变化。结果 研究组术前与术后气导平均听阈、骨导平均听阈均高于对照组，差异具有统计学意义(P <0.05);研究组术后气导平均听阈和骨导平均听阈的改善值均高于对照组，差异无统计学意义(P> 0.05);研究组术后4 k Hz气导听阈改善值低于对照组，差异无统计学意义(P> 0.05);研究组术后8 k Hz气导听阈改善值低于对照组，差异有统计学意义(P <0.05)。结论 良好的咽鼓管功能不会增加Ⅰ型鼓室成形术对慢性化脓性中耳炎患者平均听力的改善程度，但有利于患者术后高频听力的恢复。

Short-term impact of Eustachian tube function on hearing in chronic suppurative otitis media patients undergoing type I tympanoplasty

Objective To explore the influence of Eustachian tube function on hearing via analyzing the clinical data of patients with chronic suppurative otitis media undergoing endoscopic type I tympanoplasty.Methods A total of 42 patients with chronic suppurative otitis media were collected, and were divided into the study group (n=25) with Eustachian tube dysfunction and the control group (n=17) with normal Eustachian tube function based on the sound conduction anti-positive and negative pressure balance test and the Eustachian tube dysfunction scoring scale (ETDQ-7). The changes of hearing before and after tympanoplasty were compared between the two groups.Results The pre- and postoperative average hearing thresholds of air conduction and bone conduction in the study group were higher than those in the control group, and the differences were statistically significant (P<0.05). The improvement values of average thresholds of air conduction and bone conduction in the study group were higher than those in the control group, but the differences were statistically insignificant (P>0.05). The improvement value of air conduction threshold on 4 kHz of the study group was lower than that of the control group, but the difference was statistically insignificant (P>0.05). The improvement value of air conduction threshold on 8 kHz of the study group was lower than that of the control group, and the difference was statistically significant (P<0.05).Conclusion Good Eustachian tube function can not increase the degree of postoperative average hearing improvement in patients with chronic suppurative otitis media, but is beneficial to the recovery of high-frequency hearing.