Document Detail

Mitral valve prolapse.
MedLine Citation:
PMID:  22248324     Owner:  NLM     Status:  In-Data-Review    
Mitral valve prolapse is defined as abnormal bulging of the mitral valve leaflets into the left atrium during ventricular systole. Mitral valve prolapse is a common condition that is a risk factor for mitral regurgitation, congestive heart failure, arrhythmia, and endocarditis. Myxomatous degeneration is the most common cause of mitral prolapse in the United States and Europe, and progression of myxomatous mitral prolapse is the most common cause of mitral regurgitation that requires surgical treatment. Myxomatous degeneration appears to have genetic etiology. The genetics of myxomatous degeneration is complex and not fully worked out; it appears to be heterogeneous with multi-gene, multi-chromosomal autosomal dominance with incomplete penetrance. The molecular disorder of myxomatous degeneration appears to consist of a connective tissue disorder with altered extracellular matrix status and involves the action of matrix metalloproteinase, cysteine endoproteases, and tenomodulin. Treatment of mitral prolapse with regurgitation is complex, and the technological advances that are currently in development will be challenging and controversial.
T Sloane Guy; Arthur C Hill
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Annual review of medicine     Volume:  63     ISSN:  1545-326X     ISO Abbreviation:  Annu. Rev. Med.     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-01-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985151R     Medline TA:  Annu Rev Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  277-92     Citation Subset:  IM    
Department of Surgery, Temple University, Philadelphia, Pennsylvania 19140; email:
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