Document Detail

Frequency and age-related course of mitral valve dysfunction in the Marfan syndrome.
MedLine Citation:
PMID:  20854973     Owner:  NLM     Status:  MEDLINE    
Mitral valve (MV) prolapse (MVP) has a high prevalence of 2% to 3% in the general population and thus constitutes the most common cause of severe nonischemic MV regurgitation (MVR). MVP is also common in persons with the Marfan syndrome. However, to date, a large-scale population-based cohort study using modern echocardiographic techniques has not been performed, and the frequency of MVP and the relation of MV dysfunction and age have not been investigated. Therefore, we conducted a population-based cohort study of 204 patients (108 males and 96 females, aged 31.2 ± 16.4 years) with classic Marfan syndrome. We performed echocardiographic follow-up of 174 patients for a mean of 4.4 ± 4.3 years. On the initial or subsequent echocardiographic scan, MVP was present in 82 patients (40%), severe MVR in 25 (12%), and MV endocarditis in 5 patients (2.5%). At 30 years of age, the Weibull cumulative distribution was 42.6% (95% confidence interval [CI] 36% to 50%) for MVP, 56.5% (95% CI 49.3% to 64%) for MVR of any degree, 6.7% (95% CI 3.9% to 11.3%) for severe MVR, and 0.92% (95% CI 0.21% to 3.91%) for MV endocarditis. The cumulative hazard for severe MVR and MV endocarditis was estimated to increase with age. MVP was associated with dural ectasia (p = 0.01), ectopia lentis (p = 0.02), and skeletal involvement (p <0.001). Severe MVR was related to tricuspid valve prolapse (p = 0.002) and to the sporadic form of the Marfan syndrome (p = 0.006). In conclusion, MVP was comparatively frequent in patients with the Marfan syndrome and carries an increased risk of progression to severe MVR and endocarditis, especially in older adults.
Meike Rybczynski; Thomas S Mir; Sara Sheikhzadeh; Alexander M J Bernhardt; Claudia Schad; Hendrik Treede; Simon Veldhoen; Eike F Groene; Kristin Kühne; Dietmar Koschyk; Peter N Robinson; Jürgen Berger; Hermann Reichenspurner; Thomas Meinertz; Yskert von Kodolitsch
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  The American journal of cardiology     Volume:  106     ISSN:  1879-1913     ISO Abbreviation:  Am. J. Cardiol.     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-09-21     Completed Date:  2010-10-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0207277     Medline TA:  Am J Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1048-53     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2010 Elsevier Inc. All rights reserved.
Centre of Cardiology and Cardiovascular Surgery, University Hospital Eppendorf, Hamburg, Germany.
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MeSH Terms
Age Factors
Marfan Syndrome / complications*
Middle Aged
Mitral Valve Prolapse / complications*,  epidemiology*,  ultrasonography

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