Genomic ancestry as a predictor of haemodynamic profile in heart failure

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art_BERNARDEZ-PEREIRA_Genomic_ancestry_as_a_predictor_of_haemodynamic_profile_2016.PDF (796.66 KB)
Citações na Scopus
6
Tipo de produção
article
Data de publicação
2016
DOI
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
BMJ PUBLISHING GROUP
Autores
SPINA, Joceli Mabel Rocha
Citação
OPEN HEART, v.3, n.2, article ID UNSP e000434, 9p, 2016
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
Objective: The aim of this study is to assess the association between genetic ancestry, self-declared race and haemodynamic parameters in patients with chronic heart failure (HF). Methods: Observational, cross-sectional study. Eligible participants were aged between 18 and 80 years; ejection fraction was <= 50%. Patients underwent genetic analysis of ancestry informative markers, echocardiography and impedance cardiography (ICG). Race was determined by self-classification into two groups: white and non-white. Genomic ancestry was estimated using a panel of 101 348 polymorphic markers and three continental reference populations (European, African and Native American). Results: Our study included 362 patients with HF between August 2012 and August 2014. 123 patients with HF declared themselves as white and 234 patients declared themselves as non-white. No statistically significant differences were found regarding the ICG parameters according to self-declared race. The Amerindian ancestry was positively correlated with systolic time ratio (r=0.109, p<0.05). The thoracic fluid content index (r=0.124. p<0.05), E wave peak (r=0.127. p<0.05) and E/e' ratio (r=0.197. p<0.01) were correlated positively with African ancestry. In multiple linear regression, African ancestry remained associated with the E/e0 ratio, even after adjustment to risk factors. Conclusions: The African genetic ancestry was associated with worse parameters of diastolic function; the Amerindian ancestry correlated with a worse pattern of ventricular contractility, while self-declared colour was not helpful to infer haemodynamic profiles in HF.
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URI
https://observatorio.fm.usp.br/handle/OPI/29411
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MCP
Artigos e Materiais de Revistas Científicas - HC/InCor
Artigos e Materiais de Revistas Científicas - LIM/11
Artigos e Materiais de Revistas Científicas - LIM/13