Cost-effectiveness of the implantable cardioverter-defibrillator: results from the Canadian Implantable Defibrillator Study (CIDS). Circulation. 2001;103:1416 21. S7.1.1-13. Buxton M, Caine N, Chase D, et al. A review of the evidence on the effects and costs of implantable cardioverter defibrillator therapy in different patient groups, and modelling of cost-effec- tiveness and cost-utility for these groups in a UK context. Health Technol Assess. 2006;10:iii iv, ix xi, 1 164 S7.1.1-14. Weiss JP, Saynina O, McDonald KM, et al. Effectiveness and cost- effectiveness of implantable cardioverter defibrillators in the treat- ment of ventricular arrhythmias among medicare beneficiaries. Am J Med. 2002;112:519 27. S7.1.1-15. Anderson JL, Heidenreich PA, Barnett PG, et al. ACC/AHA state- ment on cost/value methodology in clinical practice guidelines and performance measures: a report of the American College of Cardiology/American Heart Association Task Force on Performance Measures and Task Force on Practice Guidelines. Circulation. 2014;129:2329 45. 7.1.1.1. Coronary Artery Spasm S7.1.1.1-1. Chevalier P, Dacosta A, Defaye P, et al. Arrhythmic cardiac arrest due to isolated coronary artery spasm: long-term outcome of seven resuscitated patients. J Am Coll Cardiol. 1998;31:57 61. S7.1.1.1-2. Myerburg RJ, Kessler KM, Mallon SM, et al. Life-threatening ventricular arrhythmias in patients with silent myocardial isch- emia due to coronary-artery spasm. N Engl J Med. 1992;326: 1451 5. S7.1.1.1-3. Ahn JM, Lee KH, Yoo SY, et al. Prognosis of variant angina manifesting as aborted sudden cardiac death. J Am Coll Cardiol. 2016;68:137 45. S7.1.1.1-4. Matsue Y, Suzuki M, Nishizaki M, et al. Clinical implications of an implantable cardioverter-defibrillator in patients with vasospas- tic angina and lethal ventricular arrhythmia. J Am Coll Cardiol. 2012;60:908 13. S7.1.1.1-5. Takagi Y, Yasuda S, Tsunoda R, et al. Clinical characteristics and long-term prognosis of vasospastic angina patients who sur- vived out-of-hospital cardiac arrest: multicenter registry study of the Japanese Coronary Spasm Association. 