2012
DOI: 10.1590/s1809-29502012000200015
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Pressão expiratória positiva nas vias aéreas não reproduz as respostas de frequência cardíaca à manobra de Valsalva em homens jovens saudáveis

Abstract: RESUMO | A pressão expiratória positiva nas vias aéreas (EPAP) é um recurso terapêutico que compreende uma inspiração seguida de expiração contra resistência. Sua aplicação promove ajustes no sistema cardiovascular, de maneira similar ao observado durante a manobra de Valsalva (MV). O objetivo deste estudo foi analisar a resposta da frequência cardíaca (FC) à MV e às diferentes formas de aplicação de EPAP a fim de identificar se e em qual condição esta técnica reproduz a resposta da FC observada na MV, em home… Show more

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“…In our study, we used 12 cmH2O PEEP and no statistical significance was observed in hemodynamic parameters. These effects generated by the application of EPAP, regardless of the blood pressure level, can be explained by increased intrathoracic pressure, compression of the superior and inferior vena cava, decreased atrial and ventricular filling and, consequently, reduced cardiac output [20].…”
Section: Discussionmentioning
confidence: 99%
“…In our study, we used 12 cmH2O PEEP and no statistical significance was observed in hemodynamic parameters. These effects generated by the application of EPAP, regardless of the blood pressure level, can be explained by increased intrathoracic pressure, compression of the superior and inferior vena cava, decreased atrial and ventricular filling and, consequently, reduced cardiac output [20].…”
Section: Discussionmentioning
confidence: 99%