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Rates and determinants of progressive aortic valve dysfunction in aortic coarctation.
MedLine Citation:
PMID:  22882960     Owner:  NLM     Status:  Publisher    
PURPOSE: Aortic valve dysfunction is common in coarctation patients(CoA). Bicuspid aortic valve (BAV) in CoA is associated with aortic valve stenosis (AS), aortic valve regurgitation (AR), and ascending aortic dilatation. The aim of this study was to evaluate the progression of and predictors for aortic valve dysfunction in CoA. METHODS: 96 CoA patients prospectively underwent echocardiography twice between 2001 and 2010. AS was defined as an aortic valve gradient ≥20mmHg, AR as none/minor, or moderate/severe. Aortic dilatation as an ascending aortic diameter ≥37mm. RESULTS: All patients (median age 28.0years, range 17-61years; male 57%) were followed with a median follow-up of 7.0years. Sixty patients (63%) had BAV. At baseline 10 patients had AS (10%, 9 BAV), 6 patients AR (6%, 3 BAV) and 11 patients aortic dilatation (11%, 11 BAV). At follow-up 15 patients had AS (15%, 13 BAV) and 12 patients AR. (13%, 8 BAV). Median AS progression was 1.1mmHg/5years (range - 13-28). Determinants for AS at follow-up were age (ß=0.20, P=0.01), aortic dilatation (ß=4.6, P=0.03), and baseline aortic valve gradient (ß=0.93, P<0.001). BAV was predictive for AR. (ß=0.91, P=0.049). CONCLUSION: Progression of AS in adult CoA patients is mild in this young population. Older age, aortic dilatation and the baseline aortic valve gradient are determinants for AS at follow-up. BAV is predictive for AR. These findings point towards a common embryological pathway of both valvular and aortic disease in CoA.
Paul Luijendijk; Arnaud W J M Stevens; Rianne H A C M de Bruin-Bon; S Matthijs Boekholdt; Joris W J Vriend; Hubert W Vliegen; Berto J Bouma; Barbara J M Mulder
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-7
Journal Detail:
Title:  International journal of cardiology     Volume:  -     ISSN:  1874-1754     ISO Abbreviation:  Int. J. Cardiol.     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8200291     Medline TA:  Int J Cardiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier Ireland Ltd.
Department of Cardiology, Academic Medical Centre, Amsterdam, The Netherlands; Interuniversity Cardiology Institute of The Netherlands, Utrecht, The Netherlands.
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