1A different cardiac resynchronization therapy technique might be needed in some patients with nonspecific intraventricular conduction disturbance patternGábor Katona，Zsuzsanna Szelényi，Gábor Szénási，Bálint Kozman，Zsolt Rekvényi，Luca Kópházi，Zsolt Dobos，Szilvia Vereckei，András VereckeiRESEARCH ARTICLE975-985
2Association between serum cystatin C level and hemodynamically significant aortic stenosis: a prospective cohort studyOdong Christopher，Xing-Feng XU，Yi-Fen LIN，Shao-Zhao ZHANG，Yi-Quan HUANG，Xiang-Bin ZHONG，Zhen-Yu XIONG，Tara Scarlett Rosalyn CHEN，Chao-Guang XU，Xiao-Dong ZHUANG，Xin-Xue LIAORESEARCH ARTICLE986-995
3Lipoprotein(a) is associated with coronary atheroma progression:analysis from a serial coronary computed tomography angiography studyXi WANG，Dong-Kai SHAN，Guan-Hua DOU，Yi-Pu DING，Jing JING，He-Bin CHE，Jun-Jie YANG，Yun-Dai CHENRESEARCH ARTICLE996-1007
4Predictors of thirty-day readmission in nonagenarians presenting with acute heart failure with preserved ejection fraction: a nationwide analysisAhmed Maraey，Mahmoud Salem，Nabila Dawoud，Mahmoud Khalil，Ahmed Elzanaty，Hadeer Elsharnoby，Ahmed Younes，Ahmed Hashim，Amit AlamRESEARCH ARTICLE1008-1018
5The influence of metabolic syndrome on atrial fibrillation recurrence: five-year outcomes after a single cryoballoon ablation procedureYu XIA，Xiao-Feng LI，Jun LIU，Miao YU，Pi-Hua FANG，Shu ZHANGRESEARCH ARTICLE1019-1028
6MiR-21-5p-expressing bone marrow mesenchymal stem cells alleviate myocardial ischemia/reperfusion injury by regulating the circRNA_0031672/miR-21-5p/programmed cell death protein 4 pathwayJing ZHANG，Chang-Jun LUO，Xiao-Qi XIONG，Jun LI，San-Hua TANG，Lin SUN，Qiang SURESEARCH ARTICLE1029-1043
8Echocardiography and impedance cardiography as determinants of successful slow levosimendan infusion in advanced older heart failure patientsGaetano Ruocco，Guido Pastorini，Mauro FeolaLETTER TO THE EDITOR1058-1062
9Reversible heart failure in a patient with hypocalcemic cardiomyopathyMehrdad Jafari Fesharaki，Nooshin Ahmadi，Kimia Karimi TaheriLETTER TO THE EDITOR1063-1067
10Takotsubo syndrome with underlying pheochromocytomaTooba Sahar，Asaad Akbar Khan，Raja Wajid ShabbirLETTER TO THE EDITOR1068-1070
