According to Zotter-Tufaro et al. , a lower performance in the 6MWT reflects worse prognosis and higher risk of mortality in patients with CHF, which corroborates the findings of the present study, since a longer GA-T execution time was associated with a higher VE/VCOdos slope value, and this ventilatory variable is a predictor of the prognosis of CHF. In this context, it is possible to consider GA-T another test of functional exercise capacity to evaluate the evolution of CHF, considering that the VE/VCO2 slope is correlated with ventilatory efficiency. This association can be explained by the fact that a greater capacity to exercise is responsible for better ergoreflex control, greater mitochondrial activity, greater cardiac output, and greater V/Q ratio compatibility, which are the main factors that, if altered, affect the VE/VCO2 ratio in patients with CHF . Continue reading “In reality, i did not to see a critical association ranging from full GA-T time and VO”
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