Document Detail


Rupture Pressure of the Posterior Lamella Obtained During Big-Bubble Deep Anterior Lamellar Keratoplasty.
MedLine Citation:
PMID:  22333666     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: To investigate the pressure required to rupture the posterior lamella obtained during the presumed Descemet membrane-baring big-bubble technique of deep anterior lamellar keratoplasty (DALK). METHODS: DALK using the big-bubble technique was carried out on donor corneoscleral discs mounted on an artificial anterior chamber. Once the anterior lamella was removed, the chamber was connected to a mercury manometer. The pressure inside the chamber was increased until rupture occurred or the manometer reached its measurement limit. RESULTS: The deep lamella ruptured at 252 mm Hg in one cornea, at 270 mm Hg in another, and had not ruptured at 300 mm Hg (upper limit of the manometer) in the remaining 18 donor corneas. CONCLUSIONS: The posterior lamella of big-bubble DALK probably confers significant structural integrity on the globe.
Authors:
Hamish D McKee; Ankur Barua; Arun K Brahma; Vishal Jhanji; Fiona M Carley
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-13
Journal Detail:
Title:  Cornea     Volume:  -     ISSN:  1536-4798     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-2-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8216186     Medline TA:  Cornea     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
*Ophthalmology Department, Manchester Royal Eye Hospital, Manchester, United Kingdom †Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Kowloon, Hong Kong.
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