BERLIN--(BUSINESS WIRE)--BIOTRONIK SE & Co. KG, a leading manufacturer of implantable cardiac devices and sponsor of clinical research to advance patient care and evidence-based medicine, announced the publication in the September 23, 2010 issue of the European Heart Journal of a peer-reviewed article that describes the rationale for the echocardiographic methods and dyssynchrony cutoff values selected for the EchoCRT study.