CRT and ICD has known as decreasing cardiac mortality in patient with heart failure. Especially, it has reported that CRT improved cardiac systolic function, quality of life of patients with heart failure. However, CRT and primary ICD was not generalized in Korea. So the investigators will register patients who implant CRT or ICD (primary), and follow them up. During scheduled follow up, all patients will perform echocardiography, 6 minute walking test, EKG, Holter monitoring and questionnaire on QOL.
Age range
18 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Transthoracic echocardiography (TTE)
Timeframe: before enrollment
Transthoracic echocardiography (TTE)
Timeframe: 12 month later afer enrollment
EKG
Timeframe: before enrollment
EKG
Timeframe: 1 month later after enrollment
EKG
Timeframe: 6 month later after enrollment
EKG
Timeframe: 12 month later after enrollment
NYHA(New York Heart Association) evaluation
Timeframe: before enrollment
NYHA(New York Heart Association) evaluation
Timeframe: 1 month later after enrollment
NYHA(New York Heart Association) evaluation
Timeframe: 6 month later after enrollment
NYHA(New York Heart Association) evaluation
Timeframe: 12 month later after enrollment
6 minute walking test
Timeframe: before enrollment
6 minute walking test
Timeframe: 12 month later afer enrollment