Document Detail

An objective evaluation of the waterproofing qualities, ease of insertion and comfort of commonly available earplugs.
MedLine Citation:
PMID:  15113295     Owner:  NLM     Status:  MEDLINE    
Earplugs are commonly recommended to protect the middle ear from water in patients with exposed middle ears. This study assessed the waterproofing qualities, ease of insertion and comfort of six commonly available earplugs. Ten subjects (20 ears) were assessed by placing a pre-weighed neurosurgical pattie in their cleaned ear canal under microscope guidance. The subjects underwent a standardized head wetting regime. The outer ear was dried, earplug and pattie removed and pattie reweighed. The difference in weight was calculated. The subjects were also asked to score the difficulty of insertion and comfort of the earplugs on a visual analogue scale. The results show a significant difference in the waterproofing qualities of the various types of earplugs. Cotton wool with petroleum jelly was the most effective (P < 0.001). It was also the easiest to insert and the most comfortable for the subject (P < 0.001).
E J Chisholm; R Kuchai; D McPartlin
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Publication Detail:
Type:  Clinical Trial; Controlled Clinical Trial; Journal Article    
Journal Detail:
Title:  Clinical otolaryngology and allied sciences     Volume:  29     ISSN:  0307-7772     ISO Abbreviation:  Clin Otolaryngol Allied Sci     Publication Date:  2004 Apr 
Date Detail:
Created Date:  2004-04-28     Completed Date:  2004-08-06     Revised Date:  2005-05-02    
Medline Journal Info:
Nlm Unique ID:  7701793     Medline TA:  Clin Otolaryngol Allied Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  128-32     Citation Subset:  IM    
Department of Ear, Nose and Throat Surgery, Northwick Park Hospital, Harrow, Middlesex, UK.
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MeSH Terms
Cotton Fiber
Ear Canal
Ear Protective Devices*
Equipment Failure Analysis
Patient Satisfaction*
Reference Values
Reg. No./Substance:
0/Ceramics; 0/Polymers; 0/Waxes; 7440-21-3/Silicon; 7732-18-5/Water; 8009-03-8/Petrolatum; 8012-89-3/beeswax

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

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