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Efeito do uso crônico do carvedilol no comportamneto neurovascular em pacientes portadores de insuficiência cardíaca / Effects of treatment with carvedilol on neurovascular control in heart failure patients
São Paulo; s.n; 2003. [126] p. ilus, tab, graf.
Thesis in Portuguese | LILACS | ID: lil-415066
RESUMO
Apesar da indicação do betabloqueador no tratamento da insuficiência cardíaca, sua ação na modulação simpática ainda precisa ser melhor esclarecida. Realizou-se estudo randomizado, duplo cego e placebo controlado em 19 pacientes com o objetivo de avaliar 6 meses de tratamento com carvedilol na atividade nervosa simpática muscular (ANSM) e fluxo sangüíneo muscular (FSM) em repouso e durante exercício isométrico a 10 e 30 por cento da contração voluntária máxima. Carvedilol reduziu a ANSM e a freqüência cardíaca, mas não a ANSM ajustada por 100 batimentos e FSM / Despite betablockers have been recommended in heart failure, its action on sympathetic modulation is unknown. A randomized, double-blind and placebo controlled study was conducted in 19 patients to study the effects of six months of carvedilol on muscle sympathetic nerve activity ( MSNA) and forearm blood flow (FBF) at rest and during isometric exercise (10 and 30 per cent) of maximum voluntary contraction). Carvedilol significantly decreased ANSM and heart rate, but not ANSM adjusted for 100 heart beats and MBF...
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Index: LILACS (Americas) Main subject: Sympathetic Nervous System / Adrenergic beta-Antagonists Type of study: Controlled clinical trial / Observational study Limits: Female / Humans / Male Language: Portuguese Year: 2003 Type: Thesis

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Index: LILACS (Americas) Main subject: Sympathetic Nervous System / Adrenergic beta-Antagonists Type of study: Controlled clinical trial / Observational study Limits: Female / Humans / Male Language: Portuguese Year: 2003 Type: Thesis