Efficacy, Safety and Cost of Remote Monitoring of Patients With Cardiac Resynchronization Therapy

Inclusion Criteria: * Patient more than 18 years old, newly implanted, in accordance to the latest European guidelines, with a CRT-P or CRT-D device (upgrading is tolerated but no device replacement), with Home-Monitoring® activated * Patient willing and able to comply with the protocol and who has provided written informed consent Exclusion Criteria: * Lead model under advisory * Non-functional lead except particular case of non-functional or deactivated right atrial lead due to atrial fibrillation * Known drug or alcohol abuse * Pregnant woman or woman who plan to become pregnant during the trial (the data will be collected by querying the patient without a pregnancy test is required) * Participation (ongoing or planned during the trial) in another interventional clinical study, and/or another remote monitoring and/or follow-up concept, unless authorized by the Executive Committee * Participation (ongoing or planned during the trial) in an investigational HF program (e.g. PRADO, PIMPS, OSICAT, CARDIAUVERGNE) * Estimated life-expectancy, regardless of the cardiovascular condition, \<1year * Patient under- or planned for - ventricular assistance * Patient not living in Metropolitan France and/or not geographically stable