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Common agents used to unblock blood clots within tympanostomy tubes: an ex vivo study and review of literature.
MedLine Citation:
PMID:  19796828     Owner:  NLM     Status:  In-Process    
OBJECTIVES: To determine the efficacy of common solutions used to dissolve blood clots blocking tympanostomy tubes (TTs) of differing lengths and diameters. STUDY DESIGN: An ex vivo experimental study. METHODS: Ear models were built by the study investigator. Tympanostomy tubes were inserted into the models and blocked with blood clots. Test solutions were applied to the blood clots, and time for clearance was recorded via microscopic visual confirmation. RESULTS: Richards T-tube had higher odds of unclogging than collar button tubes (odds ratio: 2.37, 95% confidence intervals 1.02-5.54, p=0.042). Vinegar and 3% hydrogen peroxide were most effective for Richards T-tubes and collar button tubes, respectively. CONCLUSION: Common solutions (vinegar and hydrogen peroxide) were more effective than antibiotic drops in clearing blood clot blocking TTs.
Emily L Burke; Rohan R Walvekar; James Lin; Joseph Hagan; Evelyn A Kluka
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Publication Detail:
Type:  Journal Article     Date:  2009-09-30
Journal Detail:
Title:  International journal of pediatric otorhinolaryngology     Volume:  73     ISSN:  1872-8464     ISO Abbreviation:  Int. J. Pediatr. Otorhinolaryngol.     Publication Date:  2009 Dec 
Date Detail:
Created Date:  2009-11-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8003603     Medline TA:  Int J Pediatr Otorhinolaryngol     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  1725-8     Citation Subset:  IM    
Department of Otolaryngology and Head Neck Surgery, Louisiana State University Health Sciences Center, New Orleans, LA, United States.
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