Left Bundle Branch Pacing on Outcomes and Ventricular Remodeling in Biventricular CRT Nonresponders

Conditions

• Heart Failure
• Left Bundle-Branch Block
• Ischemic Cardiomyopathy
• Non-ischemic Dilated Cardiomyopathy
• Left Ventricular Dysfunction
• Left Ventricle Remodeling

Interventions

• DEVICE: Cardiac Resynchronization Therapy Devices with Defibrillator Function (CRT-D) or CRT-D Leads Replacement
• DEVICE: CRT-D or CRT-D Leads Replacement with New Lead Implantation to Left Bundle Branch and Inactivation of Conventional Right and Left Ventricular Pacing
• DEVICE: CRT-D or CRT-D Leads Replacement with New Lead Implantation to Left Bundle Branch and Inactivation of Conventional Right Ventricular Pacing

Sponsor

Tomsk National Research Medical Center of the Russian Academy of Sciences