heart failure, ventricular fibrillation
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Heart failure cases that meet the indication criteria for each device according to the guidelines in Japan. <ICD primary prevention indication patients> Patients who meet all of the following criteria: 1.Sufficient drug therapy 2.Left ventricular ejection fraction (LVEF) <=35% 3.Heart failure symptoms of NYHA functional class II or higher <ICD secondary prevention indication patients> Patients with LVEF <=35%, NYHA functional class II or higher heart failure symptoms, after excluding reversible factors, who meet one of the following criteria: 1.Out-of-hospital cardiac arrest with ventricular fibrillation or electric shock 2.Persistent ventricular tachycardia 3.Unexplained syncope <WCD indication patients> Patients who meet one of the following criteria: 1.Within 40 days after onset of acute myocardial infarction with NYHA functional class II-III heart failure symptoms and LVEF <= 35% 2.Within 90 days after coronary artery bypass grafting or percutaneous coronary intervention with NYHA functional class II-III heart failure symptoms and LVEF <= 35% 3.Within 90 days after onset of non-ischemic acute heart failure with LVEF <=35%
Exclusion criteria
Exclusion criteria: 1.Patients who cannot expect to live longer than 12 months 2.Patients with recurrent VT or Vf that cannot be controlled with antiarrhythmic drugs or catheter ablation 3.Patients with drug-resistant severe congestive heart failure (NYHA class4) who are not candidates for heart transplantation, CRT, or LVAD
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| device introduction rate | — |
Secondary
| Measure | Time frame |
|---|---|
| 1.Incidence of VT/VF and presence of sudden death 2.All-cause mortality 3.Cardiovascular events (cardiovascular death, hospitalization due to heart failure, and other cardiovascular events requiring hospitalization) 4.Stroke/TIA and systemic embolism 5.Myocardial infarction and unstable angina 6.Heart failure requiring hospitalization and other cardiovascular events requiring hospitalization 7.Major bleeding 8.Clinically relevant non-major bleeding 9.Major bleeding or clinically relevant non-major bleeding 10.Cardiovascular death 11.Other deaths 12.Device complications | — |
Countries
Japan
Contacts
Nihon University School of Medicine Department of Medicine, Division of Cardiology