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Association of echocardiographic left ventricular structure with the ACE D/I polymorphism: A meta-analysis.
MedLine Citation:
PMID:  21273223     Owner:  NLM     Status:  Publisher    
INTRODUCTION: : In a previous meta-analysis, we derived pooled estimates for the association of left ventricular mass (LVM) and hypertrophy (LVH), as diagnosed by electrocardiography or echocardiography, with the ACE D/I polymorphism. We updated this meta-analysis until May 2009 only considering echocardiographic phenotypes. METHODS: : We computed pooled estimates from a random-effects model. RESULTS: : Across 38 studies, both DD homozygotes (n = 2440) and DI heterozygotes (n = 4310) had higher (p ≤ 0.002) LVM or LVM index than II homozygotes (n = 2229). Across 21 studies with available data, this was due to increased mean wall thickness (MWT) with no difference in left ventricular internal diameter (LVID). Standardised differences (DD versus II) were 0.39 (p < 0.001) for LVM, 0.34 (p = 0.009) for MWT, and 0.066 (p = 0.26) for LVID. Across 16 studies (4894 participants), the pooled odds ratios of LVH (versus II homozygotes) were 1.11 (p = 0.29) and 1.02 (p = 0.88) for the DD and DI genotypes, respectively. Sensitivity analyses were confirmatory. CONCLUSIONS: : Our meta-analysis supports the hypothesis that the enhanced ACE activity associated with the D allele is associated with higher LV mass. Smaller sample size might explain the lack of significant association with LVH.
Yu Jin; Tatiana Kuznetsova; Lutgarde Thijs; Tom Richart; Katarzyna Stolarz-Skrzypek; Yanping Liu; Robert Fagard; Paolo Manunta; Giuseppe Bianchi; Jan A Staessen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-1-27
Journal Detail:
Title:  Journal of the renin-angiotensin-aldosterone system : JRAAS     Volume:  -     ISSN:  1752-8976     ISO Abbreviation:  -     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-1-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100971636     Medline TA:  J Renin Angiotensin Aldosterone Syst     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Division of Hypertension and Cardiovascular Rehabilitation, Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium.
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