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A Simultaneous X-Ray/MRI and Noncontact Mapping Study of the Acute Hemodynamic Effect of Left Ventricular Endocardial and Epicardial Cardiac Resynchronization Therapy in Humans
2011
Circulation: Heart Failure
According to current guidelines, candidates for cardiac resynchronization therapy (CRT) are patients in New York Heart Association functional class III to IV heart failure with left ventricular (LV) ejection fraction Յ35% and QRS duration Ն120 ms. However, by applying these selection criteria, more than one third of the patients do not show clinical response or LV reverse remodeling. Among several factors that determine a favorable response to CRT, the amount of LV fibrosis as assessed, for
doi:10.1161/circheartfailure.110.958124
pmid:21216832
fatcat:j5zjfxpzk5hbncrxpfemszsj6m