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Early and late effects of alcohol ingestion on blood pressure and endothelial function.

机译:饮酒对血压和内皮功能的早期和晚期影响。

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Previous investigations have shown a biphasic effect of alcohol on blood pressure (BP). However, there are no studies on possible simultaneous influences in endothelial function. This study aims to evaluate the early and late effects of alcohol ingestion on vascular and endothelial function parameters in healthy young men. The diameter of brachial artery (DBA), endothelium-dependent flow-mediated dilatation, endothelium-independent nitroglycerin-mediated dilatation, systolic blood pressure (SBP), diastolic blood pressure (DBP), and heart rate were measured 30 min before intake, 4 h after intervention (when there is a reported hypotensive effect of alcohol), and after 13 h (subsequent increase in BP). The study group consisted of 100 males aged 18-25 years who were evaluated by brachial artery ultrasound. Subjects were randomized to drink either an alcoholic (60 g of ethanol) or a similar nonalcoholic beverage. Alcohol induced a biphasic effect on SBP and DBP, with a 4-h decrease followed by an increaseafter 13 h. After 4 h, the alcohol-drinking group presented a DBA increase that was significant at baseline and after hyperemia but not after nitroglycerin administration. There were no DBA differences between the intervention and control groups 13 h after drinking. This study replicates the initial reports of alcohol-induced biphasic alteration in BP. Our results showed that despite the late increase in BP, there were no accompanying changes in endothelial function.
机译:先前的研究表明酒精对血压(BP)有两相作用。但是,目前尚无关于内皮功能可能同时受到影响的研究。这项研究旨在评估酒精摄入对健康年轻男性的血管和内皮功能参数的早期和晚期影响。摄入前30分钟测量肱动脉直径(DBA),内皮依赖性血流介导的扩张,内皮依赖性硝化甘油介导的扩张,收缩压(SBP),舒张压(DBP)和心率,[4]干预后h(据报道有酒精降压作用)和13 h后(随后BP升高)。该研究组由100名18-25岁的男性组成,他们接受了肱动脉超声检查。受试者被随机分为饮用酒精饮料(60 g乙醇)或类似的非酒精饮料。酒精对SBP和DBP产生双相作用,减少4小时,然后在13小时增加。 4小时后,饮酒组的DBA升高在基线和充血后显着,但在硝酸甘油给药后没有。饮酒后13小时,干预组和对照组之间没有DBA差异。这项研究重复了酒精引起的BP的双相改变的最初报道。我们的研究结果表明,尽管血压升高较晚,但内皮功能没有伴随的变化。

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