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病毒性脑膜炎和脑炎中感音神经性听力损失的发生情况

Occurrence of Sensorineural Hearing Loss in Viral Meningitis and Encephalitis.

临床研究耳科IF 3.8Q2

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中文摘要

背景: 病毒性神经感染中的听力损失研究甚少。本研究旨在阐明病毒性脑膜炎和脑炎中是否会发生听力损失。方法:对成年病毒性脑膜炎和脑炎患者在入院当天以及出院后30-60天进行OAE(耳声发射)测量。频率分为低频(1、1.5、2 kHz)、中频(3、4、5 kHz)、中高频(6、7、8 kHz)和高频(9、10 kHz)。对41例病毒性脑膜炎患者和8例脑炎患者进行了OAE测量。结果:6例病毒性脑膜炎患者(15%)在一个或多个频率类别中出现了>5 dB的下降。12例患者(29%)OAE水平暂时下降超过5 dB,23例患者(54%)在入院和随访之间OAE水平无变化。我们发现不同病毒性脑膜炎病原体之间从入院到随访的OAE水平无显著差异。在病毒性脑炎中,5例单纯疱疹病毒患者中有3例在所有频率上均出现OAE水平下降。水痘带状疱疹脑炎与OAE水平变化无关。结论:病毒性脑膜炎和单纯疱疹性脑炎与感音神经性听力损失的发生相关。

英文摘要

Hearing loss in viral neuroinfections is poorly investigated. The present study aimed to clarify if hearing loss can develop in viral meningitis and encephalitis. An OAE (oto-acoustic emission) was measured in adult patients with viral meningitis and encephalitis on the day of admission and 30-60 days after discharge. Frequencies were categorized as Low (1, 1.5, 2 kHz), Mid (3, 4, 5 kHz), Mid-high (6, 7, 8 kHz), and High (9, 10 kHz). An OAE was measured in 41 patients with viral meningitis and 8 patients with encephalitis. Six patients with viral meningitis (15%) experienced a decrease of > 5 dB in one or more frequency categories. Twelve patients (29%) had a temporary decrease in OAE levels of more than 5 dB and 23 patients (54%) had no change in OAE levels between admission and follow-up. We found no significant differences in OAE levels from admission to follow-up between viral meningitis pathogens. In viral encephalitis, herpes simplex virus was associated with a decrease in OAE levels in all frequencies in 3 of 5 patients. Varicella zoster encephalitis was not associated with changes in OAE levels. Viral meningitis and herpes simplex encephalitis is associated with development of a sensorineural hearing loss.