Autschbach R, Falk V, Gonska BD, Dalichau H. The effect of coronary bypass graft surgery for the prevention of sudden cardiac death: recur- rent episodes after ICD implantation and review of literature. Pacing Clin Electrophysiol. 1994;17(pt 2):552 558. 263. Berntsen RF, Gunnes P, Lie M, Rasmussen K. Surgical revascularization in the treatment of ventricular tachycardia and fibrillation exposed by exercise-induced ischaemia. Eur Heart J. 1993;14:1297 1303. 264. Bristow MR, Saxon LA, Boehmer J, Krueger S, Kass DA, De Marco T, Carson P, DiCarlo L, DeMets D, White BG, DeVries DW, Feldman AM; Comparison of Medical Therapy, Pacing, and Defibrillation in Heart Failure (COMPANION) Investigators. Cardiac-resynchronization therapy with or without an implantable defibrillator in advanced chronic heart failure. N Engl J Med. 2004;350:2140 2150. doi: 10.1056/ NEJMoa032423. 265. Cleland JG, Daubert JC, Erdmann E, Freemantle N, Gras D, Kappenberger L, Tavazzi L; Cardiac Resynchronization-Heart Failure (CARE-HF) Study Investigators. The effect of cardiac resynchro- nization on morbidity and mortality in heart failure. N Engl J Med. 2005;352:1539 1549. doi: 10.1056/NEJMoa050496. 266. Moss AJ, Hall WJ, Cannom DS, Klein H, Brown MW, Daubert JP, Estes NA 3rd, Foster E, Greenberg H, Higgins SL, Pfeffer MA, Solomon SD, Wilber D, Zareba W; MADIT-CRT Trial Investigators. Cardiac- resynchronization therapy for the prevention of heart-failure events. N Engl J Med. 2009;361:1329 1338. doi: 10.1056/NEJMoa0906431. 267. Tang AS, Wells GA, Talajic M, Arnold MO, Sheldon R, Connolly S, Hohnloser SH, Nichol G, Birnie DH, Sapp JL, Yee R, Healey JS, Rouleau JL; Resynchronization-Defibrillation for Ambulatory Heart Failure Trial Investigators. Cardiac-resynchronization therapy for mild- to-moderate heart failure. N Engl J Med. 2010;363:2385 2395. doi: 10.1056/NEJMoa1009540. 268. 