2023
DOI: 10.36660/abc.20220209
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Efeitos Agudos do Nitrato Dietético na Pressão Central e Desempenho Cardíaco em Hipertensos: Estudo Cruzado, Randomizado e Placebo-Controlado

Abstract: Fundamento: O nitrato inorgânico (NO 3 -) da dieta pode fornecer substrato fisiológico para reduzir o nitrito (NO 2 -) a óxido nítrico (NO) independente do endotélio. Estudos sugerem que o NO 3 inorgânico tem efeitos benéficos na saúde cardiovascular. Objetivos: Este estudo avaliou os efeitos agudos de 500 mL de suco de beterraba rico em nitrato (SB; contendo 11,5mmol NO 3 -) na pressão arterial e na função endotelial em pacientes hipertensos tratados. Métodos: Estudo cruzado, randomizado, controlado por place… Show more

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Cited by 3 publications
(4 citation statements)
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“…In the Western diet, about 85% of NO 3 − intake comes from vegetables belonging to several botanica families [ 68 ]. Red beets contain 1300 mg of NO 3 − ·kg −1 and are commonly used in dietary interventions to improve cardiovascular performance through decreased central blood pressure and arterial stiffness reduction, improving overall vascular function [ 6 , 13 , 16 , 69 ]. To promote metabolic NO production and improve hemodynamic and vascular parameters, i.e., reversing endothelial dysfunction and arterial stiffness in individuals presenting cardiovascular risk factors, dietary NO 3 − supplementation should be long term (over 20 days) and greater than 370 mg (6.0 mmol) per day [ 2 , 11 , 12 , 16 , 69 , 70 ].…”
Section: Discussionmentioning
confidence: 99%
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“…In the Western diet, about 85% of NO 3 − intake comes from vegetables belonging to several botanica families [ 68 ]. Red beets contain 1300 mg of NO 3 − ·kg −1 and are commonly used in dietary interventions to improve cardiovascular performance through decreased central blood pressure and arterial stiffness reduction, improving overall vascular function [ 6 , 13 , 16 , 69 ]. To promote metabolic NO production and improve hemodynamic and vascular parameters, i.e., reversing endothelial dysfunction and arterial stiffness in individuals presenting cardiovascular risk factors, dietary NO 3 − supplementation should be long term (over 20 days) and greater than 370 mg (6.0 mmol) per day [ 2 , 11 , 12 , 16 , 69 , 70 ].…”
Section: Discussionmentioning
confidence: 99%
“…Red beets contain 1300 mg of NO 3 − ·kg −1 and are commonly used in dietary interventions to improve cardiovascular performance through decreased central blood pressure and arterial stiffness reduction, improving overall vascular function [ 6 , 13 , 16 , 69 ]. To promote metabolic NO production and improve hemodynamic and vascular parameters, i.e., reversing endothelial dysfunction and arterial stiffness in individuals presenting cardiovascular risk factors, dietary NO 3 − supplementation should be long term (over 20 days) and greater than 370 mg (6.0 mmol) per day [ 2 , 11 , 12 , 16 , 69 , 70 ]. The high amounts of this vegetable to be ingested to achieve effective dietary NO 3 − concentrations in the human body may be a limiting factor in ensuring adherence to long-term nutritional interventions [ 15 , 71 ].…”
Section: Discussionmentioning
confidence: 99%
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“…Recently, studies have shown that nitrite confers marked protection against ischemia/reperfusion (I/R) injury to the myocardium, kidney, lung, and cerebral vasculature. 5,6 In this issue of the Arquivos Brasileiros de Cardiologia, a study 7 was published to evaluate the acute effects of dietary intake of NO 3 ‾ contained in 500 ml of beetroot juice (BJ) on blood pressure and endothelial function in treated hypertensive patients. Hypertensive patients regularly using antihypertensives admitted to a randomized, crossover, placebo-controlled study were included.…”
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confidence: 99%