Efficacy and safety of left atrial appendage closure procedure in patients with non-valvular atrial fibrillation with contraindication and/or failure for oral anticoagulants: A systematic review and meta-analysis Ricardo dos Santos Simões; Aline Frossard Ribeiro Bortoluzzi; Janaina Cardoso Nunes Marinho; Julia Simões Corrêa Galendi; Wanderley Marques Bernardo;

Risk factors of atrial fibrillation complicated with cognitive impairment and the relationship between cardiac function parameters and the degree of cognitive impairment FengJiao Liao; ZongYi Hou;

Clinical value of artificial intelligence 3D echocardiography in evaluating left atrial volume and pulmonary vein structure in patients with atrial fibrillation Xiaomin Yang; Shujun He; Yang Pang; Kun Rong;