RESEARCH ARTICLE

1. Cryoballoon ablation of persistent atrial fibrillation for de novo pulmonary vein isolation: a single-center follow-up study
2. Development and validation of a nomogram for postoperative severe acute kidney injury in acute type A aortic dissection
3. First-in-human evaluation of an independently developed Chinese robot-assisted system for percutaneous coronary intervention
4. Positive association between triglyceride glucose index and central systolic blood pressure among hypertensive adults
5. Transcatheter mitral valve repair is feasible and effective in oldest-old patients: results from real-world cohort
6. Using preoperative N-terminal pro-B-type natriuretic peptide levels for predicting major adverse cardiovascular events and myocardial injury after noncardiac surgery in Chinese advanced-age patients

PERSPECTIVE

1. Protein quality control systems in hypertrophic cardiomyopathy:pathogenesis and treatment potential

LETTER TO THE EDITOR

1. Acute perimyocarditis following heterologous vaccination of CoronaVac and BNT162b2 SARS-CoV-2 vaccine in an elderly woman
2. An elderly parachute mitral valve: still landing well
3. Management of non-ST-segment elevation myocardial infarction in patients aged ≥80 years: a meta-analysis of randomized controlled trials