ABC | Volume 114, Nº4, April 2020

Original Article Mejia et al. Quality, the new era of cardiovascular surgery Arq Bras Cardiol. 2020; 114(4):603-612 23. Piegas LS, Bittar OJ, Haddad N. Myocardial revascularization surgery (MRS): results from National Health System (SUS). Arq Bras Cardiol. 2009;93(5):555-60. 24. Stamou SC, Turner SL, Stiegel MR, Reames MK, Skipper E, Watts LT, et al. Quality improvement program decreases mortality after cardiac surgery. J Thorac Cardiovasc Surg. 2008;136(2):494-9. 25. Shahian DM, O’Brien SM, Normand SL, Peterson ED, Edwards FH. Association of hospital coronary artery bypass volume with processes of care, mortality, morbidity, and the Society of Thoracic Surgeons composite quality score. J Thorac Cardiovasc Surg. 2010;139(2):273-82. 26. Kurlansky PA, Argenziano M, Dunton R, Lancey R, Nast E, Stewart A, et al. Quality, not volume, determines outcome of coronary artery bypass surgery inauniversity-basedcommunityhospitalnetwork. JThoracCardiovascSurg. 2012;143(2):287-93. 27. Miyata H, Motomura N, MurakamiA, Takamoto S, Japan Cardiovascular SurgeryDatabase. Effect of benchmarking projects on outcomes of coronary artery bypass graft surgery: challenges and prospects regarding the quality improvement initiative. J Thorac Cardiovasc Surg. 2012;143(6):1364-69. 28. Hu S, Zheng Z, Yuan X, Wang Y, Normand SL, Ross JS, et al. Coronary artery bypass graft: contemporary heart surgery center performance in China. Circ Cardiovasc Qual Outcomes. 2012;5(2):214-21. This is an open-access article distributed under the terms of the Creative Commons Attribution License 612