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Left-ventricular hypertrophy and obesity: a systematic review and meta-analysis of echocardiographic studies.
MedLine Citation:
PMID:  24309485     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
DESIGN:: A literature search using the keywords 'left ventricle', 'left-ventricular hypertrophy', 'cardiac hypertrophy', 'obesity', 'hypertension' and 'echocardiography' was performed in order to identify relevant papers. Full articles published in English language in the past 12 years reporting studies in adult obese individuals were considered.
RESULTS:: A total of 22 studies including 5486 obese individuals were considered. Overall, in the pooled obese population, prevalence of LVH, defined by 12 criteria, was 56.0% (range 20.0-85.0%). Data provided by 15 studies (n = 4999 obese individuals), including 6623 non-obese controls, showed that the probability of having LVH was much higher in cases than in non-obese counterparts (odds ratio 4.19, 95% confidence interval 2.67-6.53, P < 0.01). A meta-regression analysis (n = 2214; 14 studies) showed a direct correlation between BMI and left-ventricular mass (P < 0.01). Among obese patients with LVH (n = 1930; 15 studies), eccentric hypertrophy was more frequent than the concentric phenotype (66 versus 34%; P < 0.01).
CONCLUSIONS:: Our analysis shows that LVH is present in a consistent fraction of the obese population and that eccentric hypertrophy prevails over the concentric phenotype. As obesity-related LVH is a powerful risk factor for systolic/diastolic dysfunction, the prevention/treatment of obesity may have a strong, favourable impact on incident heart failure.
Authors:
Cesare Cuspidi; Marta Rescaldani; Carla Sala; Guido Grassi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-12-4
Journal Detail:
Title:  Journal of hypertension     Volume:  -     ISSN:  1473-5598     ISO Abbreviation:  J. Hypertens.     Publication Date:  2013 Dec 
Date Detail:
Created Date:  2013-12-6     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8306882     Medline TA:  J Hypertens     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
aDepartment of Health Science, University of Milano-Bicocca bIstituto Auxologico Italiano cDepartment of Clinical Sciences and Community Health, University of Milano and Fondazione Policlinico di Milano dIstituto di Ricerche a Carattera Scientifico Multimedica, Sesto San Giovanni, Milan, Italy.
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