Article
A flattening oxygen consumption trajectory phenotypes disease severity and poor prognosis in patients with heart failure with reduced, mid-range, and preserved ejection fraction.
European journal of heart failure - 1 Jul 2018
Popovic Dejana, Arena Ross, Guazzi Marco
Abstract excerpt
BACKGROUND: In heart failure (HF), a flattening oxygen consumption (VO2 ) trajectory during cardiopulmonary exercise test (CPET) reflects an acutely compromised cardiac output. We hypothesized that a flattening VO2 trajectory is helpful in phenotyping disease severity and prognosis in HF with either reduced (HFrEF), mid-range (HFmrEF), or preserved (HFpEF) ejection fraction. METHODS AND RESULTS: Overall, 319 HF...
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