Potential use of inotropic agents in the treatment of congestive heart failure / Navneet S. Rehsia and Naranjan S. Dhalla -- Non invasive assessment of myocardial viability / Owais Khawaja and Mouaz H. Al-Mallah -- Heterotrimeric G proteins in heart failure / Motohiro Nishida [and others] -- The role of urotensin II in the development and management of congestive heart failure / William Noiles, Adel Giaid -- Short communication : impact of health-related quality of life in outpatients with heart failure / Beatriz de Rivas Otero, Aida Ribera Solé and Gaietà Permanyer-Miralda -- Perspective direction in biomedical nanotechnologies for heart failure diagnostics and treatment / Sergei Yu. Zaitsev -- Commentary / Nan Li -- Sudden cardiac death risk stratification in heart failure : the potential role of biomarkers / P.A. Scott, J.M. Morgan and P.A. Townsend -- Coronary artery bypass grafting for chronic and acute heart failure / Marco Pocar [and others].