Effects of Upgrade Versus De Novo Cardiac Resynchronization Therapy on Clinical Response and Long-Term Survival: Results from a Multicenter Study [Original Articles]

Conclusions— Both clinical response and long-term survival were less favorable in patients undergoing CRT upgrade compared to de novo implantations.

http://circep.ahajournals.org/cgi/content/short/10/2/e004471?rss=1

Source: Circulation: Arrhythmia and Electrophysiology - February 14, 2017 Category: Cardiology Authors: Vamos, M., Erath, J. W., Bari, Z., Vagany, D., Linzbach, S. P., Burmistrava, T., Israel, C. W., Duray, G. Z., Hohnloser, S. H. Tags: Heart Failure, Mortality/Survival Original Articles Source Type: research