ABC | Volume 114, Nº4, April 2020

Short Editorial Helal e Ferrari Exercício Inspiratório na Insuficiência Cardíaca Arq Bras Cardiol. 2020; 114(4):664-665 1. Ziaeian B, Fonarow GC. Epidemiology and aetiology of heart failure. Nat Rev Cardiol. 2016;13(6):368-78. 2. ChoiHM,ParkMS,Youn JC.Updateonheart failuremanagementand future directions. Korean J Intern Med. 2019;34(1):11-43. 3. Rossignol P, Hernandez AF, Solomon SD, Zannad F. Heart failure drug treatment. Lancet. 2019;393(10175):1034-44. 4. Daher A, Matthes M, Keszei A, Brandenburg V, Müller T, Cornelissen C, et al. Characterization and Triggers of Dyspnea in Patients with Chronic Obstructive PulmonaryDisease or ChronicHeart Failure: Effects ofWeather and Environment. Lung. 2019;197(1):21-8. 5. Alvarez P, Hannawi B, Guha A. Exercise And Heart Failure: Advancing Knowledge And Improving Care. Methodist Debakey Cardiovasc J. 2016;12(2):110-5. 6. Cattadori G, Segurini C, Picozzi A, Padeletti L, Anzà C. Exercise and heart failure: an update. ESC Heart Fail. 2018;5(2):222-32. 7. McParland C, Resch EF, Krishnan B, Wang Y, Cujec B, Gallagher CG. Inspiratory muscle weakness in chronic heart failure: role of nutrition and electrolyte status and systemic myopathy. Am J Respir Crit Care Med. 1995;151(4):1101-7. 8. Verissimo P, Casalaspo TJ, Gonçalves LH, Yang AS, Eid RC, Timenetsky KT. High prevalence of respiratorymuscle weakness in hospitalized acute heart failure elderly patients. PLoS One. 2015;10(2):e0118218. 9. Stein R, Chiappa GR, Güths H, Dall’Ago P, Ribeiro JP. Inspiratory muscle training improves oxygen uptake efficiency slope in patients with chronic heart failure. J Cardiopulm Rehabil Prev. 2009;29(6):392-5. 10. Dall’Ago P, Chiappa GR, Guths H, Stein R, Ribeiro JP. Inspiratory muscle training in patients with heart failure and inspiratory muscle weakness: a randomized trial. J Am Coll Cardiol. 2006;47(4):757-63. 11. Smart NA, Giallauria F, Dieberg G. Efficacy of inspiratory muscle training in chronic heart failure patients: a systematic review and meta-analysis. Int J Cardiol. 2013;167(4):1502-7. 12. Cahalin LP, Arena R, Guazzi M, Myers J, Cipriano G, Chiappa G, et al. Inspiratory muscle training in heart disease and heart failure: a review of the literature with a focus on method of training and outcomes. Expert Rev Cardiovasc Ther. 2013;11(2):161-77. 13. Marchese LD, Chermont S, Warol D, Oliveira LB, Pereira SB, Quintão M, et al.ControlledStudyofCentralHemodynamicChanges in InspiratoryExercise withDifferentLoadsinHeartFailure.ArqBrasCardiol.2020;114(4):656-663. 14. Piña IL,ApsteinCS,BaladyGJ,BelardinelliR,ChaitmanBR,DuschaBD,etal. Exercise and heart failure: A statement from the AmericanHeart Association Committee on exercise, rehabilitation, and prevention. Circulation. 2003;107(8):1210-25. 15. Gomes Neto M, Ferrari F, Helal L, Lopes AA, Carvalho VO, Stein R. The impact of high-intensity inspiratorymuscle training on exercise capacity and inspiratorymuscle strength in heart failure with reduced ejection fraction: a systematic review and meta-analysis. Clin Rehabil. 2018;32(11):1482-92. References This is an open-access article distributed under the terms of the Creative Commons Attribution License (that is: HF and reduced ejection fraction). 15 In turn, we believe that the referred study 13 adds important knowledge to the literature, showing differences in the hemodynamic repercussions observed in the IMT at different intensities, an area little explored so far. These findings may open new horizons and perspectives, influencing further research exploring the hemodynamic responses of IMT in patients with HF. The lack of a close correlation between central hemodynamics (such as the sympathetic nervous system hyperactivation) and exercise tolerance strengthens the importance of the results of this study. 665