MalhotraRBakkenKD’EliaE, et al.Cardiopulmonary exercise testing in heart failure. JACC Heart Fail2016; 4: 607–616.
2.
WeberKTKinasewitzGTJanickiJS, et al.Oxygen utilization and ventilation during exercise in patients with chronic cardiac failure. Circulation1982; 65: 1213–1223.
3.
KodamaSSaitoKTanakaS, et al.Cardiorespiratory fitness as a quantitative predictor of all-cause mortality and cardiovascular events in healthy men and women: a meta-analysis. JAMA2009; 301: 2024–2035.
4.
ImbodenMTHarberMPWhaleyMH, et al.Cardiorespiratory fitness and mortality in healthy men and women. J Am Coll Cardiol2018; 72: 2283–2292.
5.
de SouzaESCGKaminskyLAArenaR, et al.A reference equation for maximal aerobic power for treadmill and cycle ergometer exercise testing: analysis from the FRIEND registry. Eur J Prev Cardiol2018; 25: 742–750.
6.
PetermanJEWhaleyMHHarberMP, et al.Comparison of non-exercise cardiorespiratory fitness prediction equation in apparently healthy adults. Eur J Prev Cardiol. Epub ahead of print 22 October 2019. DOI: 10.1177/2047487319881242.
7.
GittAKWassermanKKilkowskiC, et al.Exercise anaerobic threshold and ventilatory efficiency identify heart failure patients for high risk of early death. Circulation2002; 106: 3079–3084.
8.
ArenaRMyersJAbellaJ, et al.Development of a ventilatory classification system in patients with heart failure. Circulation2007; 115: 2410–2417.
9.
BabaRNagashimaMGotoM, et al.Oxygen uptake efficiency slope: a new index of cardiorespiratory functional reserve derived from the relation between oxygen uptake and minute ventilation during incremental exercise. J Am Coll Cardiol1996; 28: 1567–1572.
10.
HollenbergMTagerIB. Oxygen uptake efficiency slope: an index of exercise performance and cardiopulmonary reserve requiring only submaximal exercise. J Am Coll Cardiol2000; 36: 194–201.
