Effect of dynamic atrioventricular and interventricular delay optimization for cardiac resynchronization therapy on cardiac function and neuroendocrine factors in patients with congestive heart failure

Abstract

Attribution-NonCommercial-ShareAlike 4.0 International (CC BY -NC -SA 4.0). License (http://creativecommons.org/licenses/by-nc-sa/4.0/). Corresponding author: Haoyu Wu Department of Cardiology Shaanxi Provincial People’s Hospital Xi’an, China E-mail: [email protected] 1Department of Cardiology, Shaanxi Provincial People’s Hospital, Xi’an, China 2Department of Electrocardiology, Shaanxi Provincial People’s Hospital, Xi’an, China