Otolaryngol Head Neck Surg:全鼓室置换鼓室成形术后高频传导性听力损失研究

2020-03-16 AlexYang MedSci原创

鼓室成形术后听力结果的传统报道使用纯音气骨间隙均值(ABG),基本上代表了一种低频声音传导。很少有研究报道高频传导性听力结果。因此,有研究人员评估了颞肌筋膜全鼓膜置换术术后患者的高频ABG情况。

鼓室成形术后听力结果的传统报道使用纯音气骨间隙均值(ABG),基本上代表了一种低频声音传导。很少有研究报道高频传导性听力结果。因此,有研究人员评估了颞肌筋膜全鼓膜置换术术后患者的高频ABG情况。

研究人员鉴定了使用侧移植物全鼓置换术的1型鼓室成形术的患者,时间为2016年8月和2019年2月之间。研究中包括了术前和术后具有听力敏度图的患者。低频ABG为在250Hz、500Hz和1000Hz时的ABG均值,高频ABG为4KHz时的ABG值,并对术前和术后ABGs进行了比较。研究共包括了23名患者,术时的平均年龄为44岁(范围,9-68岁)。穿孔病因来自于创伤(n=14)或者慢性中耳炎(n=9)。术前低频ABG均值为27.8±12.6 dB,高频ABG均值为21.5±15.1 dB (P=0.044)。术后,低频ABG均值显著减少了15.5±13.3 dB (P<0.001),而高频ABG均值则变化不明显(减少了2.6±16.2dB, P=0.450)。

最后,研究人员指出,在一系列经历了颞肌筋膜全鼓膜置换术的患者中,低频ABG得到了改善;然而,高频传导性听力损失仍旧存在。报道ABG的传统方法不能有效的鉴定永久性高频ABG。这些结果也值得在其他的鼓室成形术的材料和手术技术中进一步研究。

原始出处:

Polanik MD, Trakimas DR, Black NL et al. High-Frequency Conductive Hearing following Total Drum Replacement Tympanoplasty. Otolaryngol Head Neck Surg. 25 Feb 2020.

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    2020-07-26 yxch48
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    2020-03-18 ysjykql
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    2020-03-16 xcdnxj

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