Ventricular-atrial coupling in subjects with normal, preserved, and reduced left ventricular ejection fraction: insights from cardiac magnetic resonance imaging.
Di ZhouYining WangShuang LiWeichun WuXiaoxin SunBaiyan ZhuangJian HeJing XuWenjing YangLeyi ZhuArlene SirajuddinZhongzhao TengShihua ZhaoMin-Jie LuPublished in: European radiology (2023)
• In HCM patients with preserved LVEF, LA deformation is a sensitive indicator for cardiac dysfunction prior to LV parameters with a reduced LA/LV strain ratio. • In patients with reduced LVEF, LV deformation impairment is more consequential than that of the LA with an increased LA/LV strain ratio. Furthermore, impaired LA active strain indicates potential atrial myopathy. • Among LA and LV parameters, the total LA emptying fraction is the best predictor for guiding clinical management and follow-up in patients with different statuses of LVEF.