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Improved papillary muscle function attenuates functional mitral regurgitation in patients with dilated cardiomyopathy after cardiac resynchronization therapy.

Abstract:

BACKGROUND: Functional mitral valve regurgitation attenuation after cardiac resynchronization therapy (CRT) in patients with severe heart failure has been attributed to both the increased rate of left ventricular systolic pressure increase and to papillary muscle (PM) recoordinated contraction. We hypothesized that an increase in systolic deformation of the PMs or the adjacent myocardial wall may in part account for this effect, by preventing their outward displacement during systole. METHOD...

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Publication status:
Published

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Publisher copy:
10.1016/j.echo.2006.04.022

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Institution:
University of Oxford
Department:
Oxford, MSD, RDM, Cardiovascular Medicine
Role:
Author
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Journal:
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography
Volume:
19
Issue:
9
Pages:
1150-1157
Publication date:
2006-09-05
DOI:
EISSN:
1097-6795
ISSN:
0894-7317
URN:
uuid:c6bd1339-b88c-4d09-a7cb-92a171e33679
Source identifiers:
104980
Local pid:
pubs:104980

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