Why the study?
Does a ventilatory classification system based on VE/VCO2 slope stratify the risk of major cardiac events in patients with heart failure?
Does a ventilatory classification system based on VE/VCO2 slope stratify the risk of major cardiac events in patients with heart failure?
A multiple-level classification system based on the VE/VCO2 slope effectively stratifies the 2-year risk of major cardiac events across the spectrum of heart failure severity.
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May support VE/VCO2 slope classification for HF risk stratification; leaves open prospective validation before guiding therapy.
Arena et al. (2007) studied this question.
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