title: Role of antiarrhythmic drugs: frequent implantable cardioverter-defibrillator shocks, risk of proarrhythmia, and new drug therapy.
abstract: The implantable cardioverter-defibrillator (ICD) is the standard of care in patients with ischemic and nonischemic cardiomyopathy who are at high risk for arrhythmic events and sudden cardiac death. Although an ICD saves life, ICD shocks are emotionally and physically debilitating. Most patients receive adjuvant antiarrhythmic drug therapy to circumvent episodes of recurrent ventricular and supraventricular arrhythmias. Antiarrhythmic drugs including b-blockers, sotalol, amiodarone, and azimilide are effective at reducing the shock burden. This article describes data supporting the need for and potential risks and benefits of adjuvant antiarrhythmic drug therapy and examines the benefits and pitfalls of the same in ICD-implanted patients.
authors: Department of Cardiology, Main Line Health Heart Center and Lankenau Hospital, 100 Lancaster Avenue, MOBE 356, Wynnewood, PA 19096, USA. drooganc@mlhs.org
authors: Christopher
authors: C
authors: Droogan
authors: Chinmay
authors: C
authors: Patel
authors: Gan-Xin
authors: GX
authors: Yan
authors: Peter R
authors: PR
authors: Kowey
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use; D000638:Amiodarone / Q000627:therapeutic use; D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use*; D009202:Cardiomyopathies / Q000517:prevention & control*; D016757:Death, Sudden, Cardiac / Q000517:prevention & control*; D017147:Defibrillators, Implantable; D006801:Humans
chemical_list: D000319:Adrenergic beta-Antagonists; D000889:Anti-Arrhythmia Agents; D000638:Amiodarone