Audiological Profile of a Rare Case with 1 kHz Notch Audiogram.

IF 0.6 Q4 SURGERY Indian Journal of Otolaryngology and Head and Neck Surgery Pub Date : 2024-10-01 Epub Date: 2024-06-25 DOI:10.1007/s12070-024-04830-5

Chandana N Rao, C S Jyotsna, K Zana Somaya, Swati Gupta, Mayur Bhat

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Abstract

A notch is defined as the frequency point at which hearing loss is greater than 15 dB when compared to one octave above and below. C3 dip or 1 kHz notch is rarely seen and not much information is known about the clinical profile of such condition. The aim of this case report is to highlight the audiological profile of a case with 1kHz notch and discuss the possible causes for the same. Case A (16 yrs) was referred with a complaint of hearing loss and speech understanding difficulty specially at school. The teen had taken multiple medications for several health related issues like malaria, appendicitis and the understanding difficulty was evident during this period. Detailed audiological evaluation revealed a significant C3 dip in the right ear and normal hearing sensitivity in the left ear. Evidences from literature suggests strong correlation between drugs like Cefotetan, cefotaime, piperacillin, ampicillin (appendicitis treatment) and chloroquine (malaria) and hearing loss. Hence, we concluded that the possible cause of 1khz is ototoxic medication.

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一个罕见的 1 kHz 缺口听力图病例的听力学特征。

缺口的定义是，与上下一个倍频程相比，听力损失超过 15 分贝的频率点。C3 dip 或 1 kHz 陷波很少见，关于这种情况的临床特征的信息也不多。本病例报告的目的是强调一个 1 kHz 陷波病例的听力学特征，并讨论其可能的原因。病例 A（16 岁）主诉听力损失和言语理解困难，尤其是在学校。该青少年曾因疟疾、阑尾炎等健康问题服用过多种药物，在此期间明显出现了理解障碍。详细的听力评估显示，右耳的 C3 明显下降，而左耳的听力灵敏度正常。文献证据表明，头孢替坦、头孢他啶、哌拉西林、氨苄西林（阑尾炎治疗）和氯喹（疟疾）等药物与听力损失之间存在密切联系。因此，我们认为造成 1khz 的可能原因是耳毒性药物。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Indian Journal of Otolaryngology and Head and Neck Surgery Medicine-Otorhinolaryngology

CiteScore

0.80

自引率

0.00%

发文量

226

审稿时长

6-12 weeks

期刊介绍： Indian Journal of Otolaryngology and Head & Neck Surgery was founded as Indian Journal of Otolaryngology in 1949 as a scientific Journal published by the Association of Otolaryngologists of India and was later rechristened as IJOHNS to incorporate the changes and progress. IJOHNS, undoubtedly one of the oldest Journals in India, is the official publication of the Association of Otolaryngologists of India and is about to publish it is 67th Volume in 2015. The Journal published quarterly accepts articles in general Oto-Rhino-Laryngology and various subspecialities such as Otology, Rhinology, Laryngology and Phonosurgery, Neurotology, Head and Neck Surgery etc. The Journal acts as a window to showcase and project the clinical and research work done by Otolaryngologists community in India and around the world. It is a continued source of useful clinical information with peer review by eminent Otolaryngologists of repute in their respective fields. The Journal accepts articles pertaining to clinical reports, Clinical studies, Research articles in basic and applied Otolaryngology, short Communications, Clinical records reporting unusual presentations or lesions and new surgical techniques. The journal acts as a catalyst and mirrors the Indian Otolaryngologist’s active interests and pursuits. The Journal also invites articles from senior and experienced authors on interesting topics in Otolaryngology and allied sciences from all over the world. The print version is distributed free to about 4000 members of Association of Otolaryngologists of India and the e-Journal shortly going to make its appearance on the Springer Board can be accessed by all the members. Association of Otolaryngologists of India and M/s Springer India group have come together to co-publish IJOHNS from January 2007 and this bondage is going to provide an impetus to the Journal in terms of international presence and global exposure.