Heart Failure
Conditions
Brief summary
This prospective multicenter registry study aims to detect the serial changes in ventriculo-ventricular conduction times according to cardiac-resynchronization therapy response.
Interventions
DIAGNOSTIC_TESTDevice interrogation
Ventriculo-ventricular conduction time measurement using device analyzer
Sponsors
Abbott Medical Devices
Samsung Medical Center
Study design
Observational model
COHORT
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
19 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* meeting the current ESC or ACCF/AHA/HRS Class I or Class IIa indications for cardiac-resynchronization (CRT) implant
Exclusion criteria
* Myocardial infarction, unstable angina within 40 days prior the enrollment * Recent cardiac revascularization in the 4 weeks prior to the enrollment or planned for the 3 months following * Cerebrovascular accident (CVA) or transient ischemic attack (TIA) in the 3 months prior to the enrollment * Primary valvular disease requiring surgical correction * Pregnant or are planning during the duration of the investigation * Status 1 candidate for cardiac transplantation or consideration for transplantation over the next 12 months * Post-cardiac transplantation * Life expectancy \< 12 months * Currently participating in any other clinical investigation except for observational registry
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Serial change of ventriculo-ventricular conduction times | from enrollment to last follow-up (2 years) | Reduction or extension of ventriculo-ventricular conduction times |
Countries
South Korea
Contacts
Primary ContactSeung-Jung Park
Outcome results
None listed