1Cryoballoon ablation of persistent atrial fibrillation for de novo pulmonary vein isolation: a single-center follow-up studyZhong-Jing CAO，Xiao-Gang GUO，Qi SUN，Yan-Qiao CHEN，Hai-Yang XIE，Jian-Du YANG，Hui-Qiang WEI，Jia-Hui LI，Jian MARESEARCH ARTICLE725-733
2Development and validation of a nomogram for postoperative severe acute kidney injury in acute type A aortic dissectionCong-Cong LUO，Yong-Liang ZHONG，Zhi-Yu QIAO，Cheng-Nan LI，Yong-Min LIU，Jun ZHENG，Li-Zhong SUN，Yi-Peng GE，Jun-Ming ZHURESEARCH ARTICLE734-742
3First-in-human evaluation of an independently developed Chinese robot-assisted system for percutaneous coronary interventionGuang-Yao ZHAI，Zheng CHEN，Rui-Fang LIU，Yong-He GUO，Jian-Long WANG，Tie-Nan SUN，Jing XIE，Tao HUANG，Yu-Jie ZHOURESEARCH ARTICLE743-752
4Positive association between triglyceride glucose index and central systolic blood pressure among hypertensive adultsLi WANG，Tian-Yu CAO，Jin-Qiao LI，Cong-Cong DING，Jun-Pei LI，Hua-Bo YING，Li-Shun LIU，Xiao HUANGRESEARCH ARTICLE753-760
5Transcatheter mitral valve repair is feasible and effective in oldest-old patients: results from real-world cohortMhd Nawar Alachkar，Annemarie Kirschfink，Anas Alnaimi，J?rg Schr?der，Felix Vogt，Nikolaus Marx，Ertunc Altiok，Mohammad AlmallaRESEARCH ARTICLE761-767
6Using preoperative N-terminal pro-B-type natriuretic peptide levels for predicting major adverse cardiovascular events and myocardial injury after noncardiac surgery in Chinese advan-ced-age patientsKai ZHANG，Chang LIU，Jian TAN，Yu-Hai XU，Jiang-Bei CAO，Yan-Hong LIU，Qiang FU，Jing-Sheng LOU，Wei-Dong MI，Hao LIRESEARCH ARTICLE768-779
7Protein quality control systems in hypertrophic cardiomyopathy:pathogenesis and treatment potentialFan-Yan LUO，Yong-Ping BAI，Hai-Song BUPERSPECTIVE780-784
8Acute perimyocarditis following heterologous vaccination of CoronaVac and BNT162b2 SARS-CoV-2 vaccine in an elderly womanShing Ching，Chiu Sun YueLETTER TO THE EDITOR785-787
9An elderly parachute mitral valve: still landing wellFadi Kandah，William Kogler，Michael Omar，Srinivasan Sattiraju，Emil MissovLETTER TO THE EDITOR788
10Management of non-ST-segment elevation myocardial in-farction in patients aged ≥ 80 years: a meta-analysis of ran-domized controlled trialsConnor J Matthews，Joshua Kirby，Jonathan M Blaxill，John P Greenwood，Abdul MMozid，Jennifer A Rossington，Murugapathy Veerasamy，Nancy Wassef，Stephen B Wheatcroft，Heerajnarain BulluckLETTER TO THE EDITOR789-790
