Document Detail

Clinical assessment of ossicular mobility by a ceramic vibrator designed for implantable hearing aids.
MedLine Citation:
PMID:  3740704     Owner:  NLM     Status:  MEDLINE    
Ossicular mobility was assessed by direct coupling of a piezoelectric ceramic vibrator to the ossicles during middle ear surgery. The sites excited were body of the incus, head of the stapes, and footplate of the stapes through a hydroxyapatite ceramic strut. The threshold of the vibratory hearing was determined by the patient's response as a minimum audition, and the vibration threshold was obtained by subtracting the preoperative bone conduction threshold from the vibratory hearing threshold. The results were analyzed by the state of hearing after the operation, which revealed that a patient with a good vibration threshold during the operation had a tendency to get good postoperative hearing. This may mean that postoperative hearing can be predicted to some extent during the operation by the measurement of ossicular mobility.
K Gyo; N Yanagihara
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Annals of otology, rhinology, and laryngology     Volume:  95     ISSN:  0003-4894     ISO Abbreviation:  Ann. Otol. Rhinol. Laryngol.     Publication Date:    1986 Jul-Aug
Date Detail:
Created Date:  1986-09-25     Completed Date:  1986-09-25     Revised Date:  2006-05-15    
Medline Journal Info:
Nlm Unique ID:  0407300     Medline TA:  Ann Otol Rhinol Laryngol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  323-6     Citation Subset:  AIM; IM    
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MeSH Terms
Bone Conduction*
Hearing Aids
Intraoperative Period
Middle Aged
Otitis Media / surgery*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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