A Comparison of 226- and 1000-Hz Probe Tone Tympanometry With Myringotomy Findings in Infants.

IF 1.4 4区 医学 Q3 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY
Donata Gellrich, Katharina Eder, Matthias Echternach, Moritz Gröger, Patrick Huber
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Abstract

Purpose: This study aimed to verify the diagnostic value of tympanometry with 226- and 1000-Hz probe tones in infants by comparing tympanometry results with the gold standard of the middle ear state assessed by myringotomy. Furthermore, clinically useful predictors for false peaked tympanograms despite the presence of middle ear fluid should be identified.

Method: Pre-operative 226- and 1000-Hz tympanograms were retrospectively compared with intraoperative findings of the tympanic cavity after myringotomy in 111 infants (217 ears) aged ≤ 12 months. In addition to the shape of tympanograms, demographic and clinical characteristics, the results of other audiometric measurements, and the viscosity of middle ear fluid, if present, were evaluated in several subgroups.

Results: The sensitivity and specificity of 1000-Hz tympanometry for middle ear effusion (MEE) detection were 97%-98% and 71%-84%, respectively, whereas standard tympanometry with a 226-Hz probe tone achieved a poor sensitivity of 43%-61% and a specificity of 81%-97%. Younger age, low viscosity of the middle ear fluid, and female sex were associated with an increased risk of false peaked 226-Hz tympanograms despite MEE. Furthermore, larger equivalent outer ear canal volumes were linked to false peaked 226-Hz tympanograms.

Conclusions: The comparison of myringotomy findings and 226- and 1000-Hz tympanometry confirms the superiority of high-frequency tympanometry in infants younger than 12 months. Although this study identified some vague predictors of potentially false peaked 226-Hz tympanograms, the assessment of the middle ear state by 226-Hz tympanometry remains unreliable in young infants.

婴儿 226 赫兹和 1000 赫兹探针音鼓测量法与耳轮切开术结果的比较。
目的:本研究旨在通过将鼓室测量结果与通过耳轮切开术评估中耳状态的金标准进行比较,验证使用 226 赫兹和 1000 赫兹探头音对婴儿进行鼓室测量的诊断价值。此外,还应找出在中耳积液存在的情况下出现假峰值鼓室图的临床有用预测因素:方法:对 111 名年龄小于 12 个月的婴儿(217 耳)进行了耳膜切开术,并将术前 226Hz 和 1000Hz 鼓室图与术后鼓室检查结果进行了回顾性比较。除了鼓室图的形状外,还对几个分组的人口统计学和临床特征、其他听力测量结果以及中耳积液(如果存在)的粘度进行了评估:结果:1000 赫兹鼓室压测量法检测中耳积液(MEE)的灵敏度和特异度分别为 97%-98% 和 71%-84% ,而使用 226 赫兹探头音的标准鼓室压测量法的灵敏度和特异度分别为 43%-61% 和 81%-97% 。年龄越小、中耳液粘度越低和女性性别与尽管有 MEE 但出现 226-Hz 假峰值鼓室图的风险增加有关。此外,等效外耳道容积越大,226Hz鼓室图出现假峰值的风险越高:结论:对耳廓切开术结果与226 Hz和1000 Hz鼓室测压法的比较证实了高频鼓室测压法在12个月以下婴儿中的优越性。尽管该研究发现了一些可能导致226 Hz鼓室造影出现假峰值的模糊预测因素,但通过226 Hz鼓室测量法评估幼婴的中耳状态仍然不可靠。
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来源期刊
American Journal of Audiology
American Journal of Audiology AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-OTORHINOLARYNGOLOGY
CiteScore
3.00
自引率
16.70%
发文量
163
审稿时长
>12 weeks
期刊介绍: Mission: AJA publishes peer-reviewed research and other scholarly articles pertaining to clinical audiology methods and issues, and serves as an outlet for discussion of related professional and educational issues and ideas. The journal is an international outlet for research on clinical research pertaining to screening, diagnosis, management and outcomes of hearing and balance disorders as well as the etiologies and characteristics of these disorders. The clinical orientation of the journal allows for the publication of reports on audiology as implemented nationally and internationally, including novel clinical procedures, approaches, and cases. AJA seeks to advance evidence-based practice by disseminating the results of new studies as well as providing a forum for critical reviews and meta-analyses of previously published work. Scope: The broad field of clinical audiology, including audiologic/aural rehabilitation; balance and balance disorders; cultural and linguistic diversity; detection, diagnosis, prevention, habilitation, rehabilitation, and monitoring of hearing loss; hearing aids, cochlear implants, and hearing-assistive technology; hearing disorders; lifespan perspectives on auditory function; speech perception; and tinnitus.
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