Document Detail


Intermittent jamming of a bileaflet mechanical heart valve in the absence of any extrinsic cause of obstruction.
MedLine Citation:
PMID:  21118846     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Structural failure of mechanical heart valves is associated with a high mortality, especially when the valve is implanted in the aortic position. We describe a case of early intermittent dysfunction of a bileaflet mechanical heart valve implanted in a 67-year-old female. Transthoracic and transoesophageal echocardiography demonstrated intermittent jamming of the leaflets in both the open and closed positions in the absence of any obvious obstruction. The reason for the dysfunction was unclear. This intermittent dysfunction was thought to be a result of dynamic distortion of the pivot guards during the cardiac cycle.
Authors:
Paul Russhard; Arjuna Weerasinghe
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Publication Detail:
Type:  Journal Article     Date:  2010-11-29
Journal Detail:
Title:  European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology     Volume:  12     ISSN:  1532-2114     ISO Abbreviation:  Eur J Echocardiogr     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-03-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100890618     Medline TA:  Eur J Echocardiogr     Country:  England    
Other Details:
Languages:  eng     Pagination:  E19     Citation Subset:  IM    
Affiliation:
Essex Cardiothoracic Center, Basildon and Thurrock NHS Foundation Trust, Nethermayne, Basildon, Essex SS165NL, UK.
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