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	Provedor de dados BJMBR (1) Autor Aires,R. (1) Dantas,E.M. (1) Forechi,L. (1) Mill,J.G. (1) Pimentel,E.B. (1) Palavra-chave Autonomic nervous system (1) Blood pressure variability (1) Heart failure (1) Heart rate variability (1) Myocardial infarction (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2017 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Time course of changes in heart rate and blood pressure variability in rats with myocardial infarction BJMBR Aires,R.; Pimentel,E.B.; Forechi,L.; Dantas,E.M.; Mill,J.G.. Our aim was to determine the time course of changes in autonomic balance in the acute (1 and 3 days), sub-acute (7 days) and chronic (28 days) phases of myocardial infarction (MI) in rats. Autonomic balance was assessed by temporal and spectral analyses of blood pressure variability (BPV) and heart rate variability (HRV). Pulsatile blood pressure (BP) recordings (30 min) were obtained in awake and unrestrained male Wistar rats (N = 77; 8-10 weeks old) with MI (coronary ligature) or sham operation (SO). Data are reported as means±SE. The high frequency (HF) component (n.u.) of HRV was significantly lower in MI-1- (P<0.01) and MI-3-day rats (P<0.05) than in their time-control groups (SO-1=68±4 vs MI-1=35.3±4.3; SO-3=71±5.8 vs MI-3=45.2±3.8), without... Tipo: Info:eu-repo/semantics/article Palavras-chave: Myocardial infarction; Heart rate variability; Blood pressure variability; Autonomic nervous system; Heart failure. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2017000100605 Registros recuperados: 1 Primeira ... 1 ... Última

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