P806Real World Data: Improvement of echocardiographic parameters, response and quality of life to Cardiac Resynchronization Therapy (CRT) continues up to 12 months after implantation. (19th March 2018) - Schiedat, F; Kloppe, A; Kolbe, J; Zimmermann, A; Bogossian, H; Zarse, M; Mijic, D; Karosiene, Z; Muegge, A; Lemke, B