Document Detail

Objective assessment of autophony in patients with patulous Eustachian tube.
MedLine Citation:
PMID:  17598120     Owner:  NLM     Status:  MEDLINE    
The objective of the present study is to evaluate the Eustachian tube (ET) acoustic patency during phonation. The sound level in the EAC during phonation of the "A" and "N" sounds was measured by microphones in the bilateral EACs of nine normal subjects and 31 patients with patulous ET. The measured sound pressure differences between the right and left ears were correlated with the differences in severity of autophony between the bilateral ears assessed by a visual analogue scale (VAS). The patulous condition was often remarkable when the "N" sound was phonated. In some patients with patulous ET, the patulous condition was indicated only by the present method, and not by conventional ET function tests such as tubo-tympano-aerodynamic-graphy or sonotubometry.
Yoko Hori; Tetsuaki Kawase; Takeshi Oshima; Shuichi Sakamoto; Toshimitsu Kobayashi
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-06-28
Journal Detail:
Title:  European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery     Volume:  264     ISSN:  0937-4477     ISO Abbreviation:  Eur Arch Otorhinolaryngol     Publication Date:  2007 Dec 
Date Detail:
Created Date:  2007-10-25     Completed Date:  2008-04-10     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9002937     Medline TA:  Eur Arch Otorhinolaryngol     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  1387-91     Citation Subset:  IM    
Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai, 980-8574, Japan.
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MeSH Terms
Case-Control Studies
Ear Canal / physiopathology*
Eustachian Tube / pathology*,  physiopathology*
Hearing Disorders / etiology,  physiopathology*
Hearing Tests
Phonation / physiology*
Severity of Illness Index

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