The audiologic profile of patients with Charcot-Marie Tooth neuropathy can be characterised by both cochlear and neural deficits

被引:18
作者
Giuliani, Nicholas [1 ]
Holte, Lenore [2 ,3 ]
Shy, Michael [4 ]
Grider, Tiffany [4 ]
机构
[1] Univ Iowa Hosp & Clin, Dept Otolaryngol, 200 Hawkins Dr,21000 PFP, Iowa City, IA 52242 USA
[2] Univ Iowa, Dept Commun Sci & Disorders, Iowa City, IA USA
[3] Univ Iowa Hosp & Clin, Ctr Disabil & Dev, Iowa City, IA 52242 USA
[4] Univ Iowa Hosp & Clin, Dept Neurol, Iowa City, IA 52242 USA
关键词
Hearing loss; Charcot-Marie Tooth neuropathy; Charcot-Marie Tooth Neuropathy Score; auditory neuropathy; auditory neuropathy spectrum disorder; auditory neuropathy - auditory dyssynchrony; neural hearing loss; AUDITORY NEUROPATHY; DISEASE; HEARING; MUTATION; CONSEQUENCES; INDIVIDUALS; DIAGNOSIS;
D O I
10.1080/14992027.2019.1633022
中图分类号
R36 [病理学]; R76 [耳鼻咽喉科学];
学科分类号
100104 ; 100213 ;
摘要
Objective: The primary goal of this study was to characterise the cochlear and neural components of hearing loss in a large cohort of people with Charcot-Marie Tooth neuropathy who reported hearing difficulties. Design: A full complement of audiologic measures including behavioral, physiologic and subjective assessments were administered. Study sample: Seventy-nine participants completed the study. Forty-four people had CMT1, 27 had CMT2 and four had CMT-INT. Results: Pure tone average was related to age and the absence of high-frequency DPOAE energy, suggesting a strong cochlear component. Acoustic reflexes were often elevated or absent and many participants exhibited abnormal ABR waveforms, suggesting additional neural hearing loss components. Participants with an abnormal or absent ABR wave V exhibited poorer speech perception abilities. There was an association between a prolonged ABR wave I latency and an abnormal or absent ABR wave V with a higher Charcot-Marie Tooth Neuropathy Score (indicating greater disability). Conclusions: The hearing abilities of people with CMT are highly variable. While there were strong neural hearing loss components, speech perception abilities were not disproportionately affected in most participants. Therefore, a hearing aid trial is recommended. ABR responses may be a useful tool for monitoring the progression of CMT over time.
引用
收藏
页码:902 / 912
页数:11
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