RESEARCH ARTICLE

1. Blood lead level in Chinese adults with and without coronary artery disease
2. Chronic kidney disease and risks of adverse clinical events in patients with atrial fibrillation
3. Minimally invasive thoracoscopic left atrial appendage occlusion compared with transcatheter left atrial appendage closure for stroke prevention in recurrent nonvalvular atrial fibrillation patients after radiofrequency ablation: a prospective cohort study
4. Clinical benefit of left atrial appendage closure in octogenarians
5. Periprocedural complications and one-year outcomes after catheter ablation for treatment of atrial fibrillation in elderly patients: a nationwide Danish cohort study

REVIEW

1. Biomarkers in the clinical management of patients with atrial fibrillation and heart failure

PERSPECTIVE

1. COVID-19 vaccine safety surveillance and emerging concerns of vaccine-induced immune thrombotic thrombocytopenia

LETTER TO THE EDITOR

1. Endovascular interventions may save limbs in elderly subjects with severe lower extremity arterial disease
2. Coronary stent fracture in an octogenarian patient: from bad to worse
3. Gastroprotection during long-term dual antiplatelet therapy:to give or not to give?