Why the study?
Do HRR1 and VE/VCO2 slope improve risk stratification for cardiovascular mortality in heart failure patients with intermediate peak VO2?
Do HRR1 and VE/VCO2 slope improve risk stratification for cardiovascular mortality in heart failure patients with intermediate peak VO2?
HRR1 and VE/VCO2 slope effectively stratify heart failure patients with intermediate peak VO2 into distinct high and low-risk groups for cardiovascular mortality.
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May enhance mortality risk stratification beyond peak VO2 in HF; hypothesis-generating and requires prospective validation before practice change.
Ritt et al. (2012) studied this question.
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