Document Detail

Downsizing of voice prosthesis diameter in patients with laryngectomy: an in vitro study.
MedLine Citation:
PMID:  12117347     Owner:  NLM     Status:  MEDLINE    
In patients with laryngectomy, voice prostheses inserted into a tracheoesophageal fistula (TEF) are widely used for vocal rehabilitation. Gradual dilation of the TEF may cause bothersome leakage around voice prostheses. Prosthesis-related weight and mechanical trauma possibly exacerbate TEF dilation. If prosthesis size were to be decreased, with a concomitant decrease in prosthesis weight and diameter, dilation of the TEF would probably lessen. We performed in vitro tests to study the effects on aerodynamic prosthesis function when the prosthesis size-in particular, the inner diameter-was decreased. The effects on airflow and pressure were specifically studied in the airflow range of patients with laryngectomy. A 1-mm decrease of the regular inner prosthesis diameter from 5 mm to 4 mm showed no significant aerodynamic consequences at the average laryngectomized airflow point. Also, such a 1-mm decrease in diameter involved a prosthesis weight reduction of 18%. In view of these findings, downsizing the standard prosthetic diameter should be considered in future voice prosthesis development.
Simone E J Eerenstein; Wilko Grolman; Paul F Schouwenburg
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Publication Detail:
Type:  In Vitro; Journal Article    
Journal Detail:
Title:  Archives of otolaryngology--head & neck surgery     Volume:  128     ISSN:  0886-4470     ISO Abbreviation:  Arch. Otolaryngol. Head Neck Surg.     Publication Date:  2002 Jul 
Date Detail:
Created Date:  2002-07-15     Completed Date:  2002-07-31     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8603209     Medline TA:  Arch Otolaryngol Head Neck Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  838-41     Citation Subset:  AIM; IM    
Department of Otolaryngology-Head and Neck Surgery, Academic Medical Center, University of Amsterdam, PO Box 22700, 1100 DE Amsterdam, the Netherlands. S.E.Eerenstein@AMC.UVA.NL
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MeSH Terms
Dilatation, Pathologic
Laryngectomy / rehabilitation*
Larynx, Artificial*
Phonation / physiology
Prosthesis Design
Respiratory Mechanics
Tracheoesophageal Fistula / pathology
Comment In:
Arch Otolaryngol Head Neck Surg. 2003 Apr;129(4):500-2   [PMID:  12707217 ]

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

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