arrhythmia and heart failure
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. patients with cardiac pacing indications; 2. signing the informed consent of the patient and indicating the date of signing; 3. patients with relatively stable residential location; 4. patients were at least 18 years old and not pregnant at least 1 year; 5. life expectancy is more than 1 years.
Exclusion criteria
Exclusion criteria: 1. patients with expected life expectancy less than 12 months; 2. patients with heart valve diseaseright or ventricular mechanical valve; 3. heart transplant patients or patients waiting for heart transplantation; 4. patients have been registered other clinical studies which may affect the purpose of this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Paced QRS morphology; | — |
Secondary
| Measure | Time frame |
|---|---|
| Pacing parameters;clinical outcome; | — |
Countries
China
Contacts
the First Affiliated Hospital of Wenzhou Medical University