In a small obserational study, CRT conferred significant clinical and entricular reerse-remodeling benefits regardless of QRS duration among patients with TDI-confirmed dyssynchrony.

• 一项小型观察性研究中，对TDI证实为心室运动失同步的患者行CRT，不论其QRS宽度如何，患者在临床症状和逆转心室重构方面均有显著好转。