Study to Characterize Atrial Fibrillation in CHF Patients Indicated for CRT
Congestive Heart Failure, Atrial Fibrillation
About this trial
This is an interventional diagnostic trial for Congestive Heart Failure, Atrial Fibrillation focused on measuring Pacemaker artificial, congestive heart failure and atrial fibrillation
Eligibility Criteria
Inclusion Criteria: Patient is willing and able to comply with the protocol Patient is willing to sign written informed consent Patient is expected to remain available for Follow-up visits Patient age is 18 years and older patient is on a stable medication regimen (including beta blockers) for at least 4 weeks prior to enrollment Baseline criteria: patients should meet all of the following criteria, to be determined at the baseline assessment procedure within 4 weeks prior to device implantation: - New York Heart Association functional classification III or IV QRS duration > 130 ms Left ventricular ejection fraction < 35% measured by echocardiography left ventricular end diastolic dimension > 55 mm measured by echocardiography Exclusion Criteria: Patients with unstable angina or who have experienced an acute myocardial infarction or received coronary artery revascularization (CABG) or coronary angioplasty (PTCA) within 3 months prior to enrollment or who are candidates for CABG or PTCA Patients who have experienced CVA or TIA with permanent disability within 3 months prior to enrollment Patient on, or anticipated to require, intravenous inotropic drug therapy Patients with severe primary pulmonary disease (such as cor pulmonale) Post heart transplant patients and patients on an urgency list for cardiac transplantation Supine systolic blood pressure greater than 170 mm Patient who are not expected to survive for 8 months of study participation due to other medical conditions Women who are pregnant or with child bearing potential and who are not on a reliable form of birth control Serum creatinine greater than 250 mol/l Untreated hyperthyroidism Patients enrolled in any concurrent (drug and/or device) study Patients with an existing implantable cardioverter defibrillator (ICD) or indications for an ICD including those patients with sustained VT within the previous month Patients with permanent atrial arrhythmias. Permanent atrial arrhythmia is defined as an arrhythmia for which any possible type of cardioversion is not considered or that is recurrent within 24 hours from an attempted cardioversion Patients with contraindications for implantation of a cardiac pacing device Patients who are already implanted with a cardiac pacing device for purposes other than Cardiac Resynchronization Therapy
Sites / Locations
- Fakultní Nemocnice U Sv. Anny V Brně
- Fakultní Nemocnice S Poliklinikou Ostrava
- Institut Klinické A Experimentální Medicíny
- Nemocnice Na Homolce
- Centre Hospitalier Du Pays D'Aix
- Centre Hospitalier Universitaire
- Chru - Hôpital Cardiologique
- Centre Hospitalier Saint Philibert
- Hôpital Cardiologique Louis Pradel
- Nouvelles Cliniques Nantaises
- Centre Medico-Chirurgical Ambroise Pare
- Centre Hospitalier
- Hôpital Cardiologique Du Haut-Levêque - Chu
- Hôpital Pontchaillou - CHU
- Centre Chirurgical Du Val D'Or
- Clinique Pasteur
- Ospedale Di Careggi
- Academisch Medisch Centrum
- Deventer Ziekenhuis
- Tweesteden Ziekenhuis
- Klinicki Centar Srbije
- Slovenský Ústav Srdcových A Cievnych Chorôb
- St. Peters Hospital