ABC | Volume 114, Nº2, February 2020

Short Editorial Mendes CPET in the evaluation for heart transplant Arq Bras Cardiol. 2020; 114(2):219-221 This is an open-access article distributed under the terms of the Creative Commons Attribution License 7. Sun XG, Hansen JE, Beshai JF, Wasserman K. Oscillatory breathing and exercise gas exchange abnormalities prognosticate early mortality and morbidity in heart failure. J Am Coll Cardiol. 2010; 55(17):1814-23. 8. Ferreira AM, Tabet JY, Frankenstein L, Metra M, Mendes M, Zugck C, et al. Ventilatory efficiency and the selection of patients for heart transplantation. Circ Hear Fail. 2010; 3(3):378-86. 9. Malhotra R, Bakken K, D’Elia E, Lewis GD. Cardiopulmonary Exercise Testing in Heart Failure. JACC Heart Fail. 2016; 4(8):607-16. 10. Wagner J, Agostoni P, Arena R, Belardinelli R, Dumitrescu D, Hager A, et al. The role of gas exchange variables in cardiopulmonary exercise testing for risk stratification and management of heart failure with reduced ejection fraction. AmHeart J. 2018; 202:116-26. 11. Freitas P, Aguiar C, Ferreira A, Tralhão A, Ventosa A, MendesM. Comparative analysis of four scores to stratify patients with heart failure and reduced ejection fraction. Am J Cardiol. 2017; 120(3):443-9. 221