Role of alternative interventional procedures when endo- and epicardial catheter ablation attempts for ventricular arrhythmias fail. Circ Arrhythm Electrophysiol. 2015;8:606 15. S5.5.1-5. Mulloy DP, Bhamidipati CM, Stone ML, et al. Cryoablation dur- ing left ventricular assist device implantation reduces postop- erative ventricular tachyarrhythmias. J Thorac Cardiovasc Surg. 2013;145:1207 13. S5.5.1-6. Patel M, Rojas F, Shabari FR, et al. Safety and feasibility of open chest epicardial mapping and ablation of ventricular tachycardia during the period of left ventricular assist device implantation. J Cardiovasc Electrophysiol. 2016;27:95 101. S5.5.1-7. Sartipy U, Albage A, Straat E, et al. Surgery for ventricular tachycar- dia in patients undergoing left ventricular reconstruction by the Dor procedure. Ann Thorac Surg. 2006;81:65 71. CLINICAL STATEMENTS AND GUIDELINES 5.6. Autonomic Modulation S5.6-1. Krittayaphong R, Bhuripanyo K, Punlee K, et al. Effect of ateno- lol on symptomatic ventricular arrhythmia without structural heart disease: a randomized placebo-controlled study. Am Heart J. 2002;144:e10. S5.6-2. Vaseghi M, Barwad P, Malavassi Corrales FJ, et al. Cardiac sympa- thetic denervation for refractory ventricular arrhythmias. J Am Coll Cardiol. 2017;69:3070 80. S5.6-3. Vaseghi M, Gima J, Kanaan C, et al. Cardiac sympathetic denerva- tion in patients with refractory ventricular arrhythmias or electri- cal storm: intermediate and long-term follow-up. Heart Rhythm. 2014;11:360 6. S5.6-4. Schwartz PJ, Motolese M, Pollavini G. Prevention of sudden car- diac death after a first myocardial infarction by pharmacologic or surgical antiadrenergic interventions. J Cardiovasc Electrophysiol. 1992;3:2 16. S5.6-5. Shen MJ, Zipes DP. Role of the autonomic nervous system in modu- lating cardiac arrhythmias. Circ Res. 2014;114:1004 21. S5.6-6. Ajijola OA, Lellouche N, Bourke T, et al. Bilateral cardiac sympa- thetic denervation for the management of electrical storm. J Am Coll Cardiol. 2012;59:91 2. 6. ACUTE MANAGEMENT OF SPECIFIC VA S6-1. Link MS, Berkow LC, Kudenchuk PJ, et al. 