Acute Assessment of a Micro Multipolar Lead for Enhanced Cardiac Resynchronisation Therapy

Exclusion Criteria

• •Class IV of NYHA (ambulatory or not).
• •Allergy to contrast media used for imaging during cardiac catheterization.
• •Severe Renal Failure (clearance of creatinine \< 30ml/mn/m²).
• •Previous failure catheterization of the coronary sinus, or previous failure of left ventricular lead implantation.
• •Already included in another clinical study involving intra-cardiac active implantable device, or participation to any other clinical trial in the last 2 weeks.
• •Person deprived of liberty by administrative or judicial decision or placed under judicial protection (guardianship or supervision).
• •Known pregnancy, breastfeeding women or in childbearing age without an adequate contraceptive method (failure rate \< 1%).