1Age-related outcomes in patients with cardiogenic shock str-atified by etiologyAlexander Schmitt，Kathrin Weidner，Jonas Rusnak，Marinela Ruka，Sascha Egner-Walter，Kambis Mashayekhi，Péter Tajti，Mohamed Ayoub，Ibrahim Akin，Michael Behnes，Tobias SchuppRESEARCH ARTICLE555-566
2Current and recent cigarette smoking in relation to cardiov-ascular and non-cardiovascular mortality in an elderly male Chinese populationWen-Yuan-Yue WANG，Xiao-Fei YE，Chao-Ying MIAO，Wei ZHANG，Chang-Sheng SHENG，Qi-Fang HUANG，Ji-Guang WANGRESEARCH ARTICLE567-576
3Development and validation of a score predicting mortality for older patients with mitral regurgitationChina-DVD and China-VHD study investigatorsRESEARCH ARTICLE577-585
4Prolonging dual antiplatelet therapy improves the long-term prognosis in patients with diabetes mellitus undergoing co-mplex percutaneous coronary interventionJing-Jing XU，Si-Da JIA，Pei ZHU，Ying SONG，De-Shan YUAN，Xue-Yan ZHAO，Yi YAO，Lin JIANG，Jian-Xin LI，Yin ZHANG，Lei SONG，Run-Lin GAO，Ya-Ling HAN，Jin-Qing YUANRESEARCH ARTICLE586-595
5Prognostic value of hematological parameters in older adu-lt patients with acute coronary syndrome undergoing coro-nary intervention:a single centre prospective studyUmar Hafiz Khan，Murtaza Rashid Pala，Imran Hafeez，Afshan Shabir，Amrit Dhar，Hilal Ahmad RatherRESEARCH ARTICLE596-601
6Feasibility of emergent transcatheter aortic valve replacement sequentially followed by cardiac computed tomography ang-iography:experience from the procedureDong-Kai SHAN，Bo JIANG，Ze-Yu SUN，Jing WANG，Yun-Dai CHEN，Chang-Fu LIULETTER TO THE EDITOR602-607
7The first experience of multi-gripper robot assisted percutan-eous coronary intervention in complex coronary lesionsPan LI，Liang ZHANG，Bo LI，Wei-Po CHEN，Wei-Sheng CHEN，Zhi-Fu GUO，Bi-Li ZHANGLETTER TO THE EDITOR608-611
8Transcatheter aortic valve implantation in a patient with ano-malous right coronary artery originating from the left aortic sinus with interarterial courseLu-Chen WANG，Yan-Xiang LIU，Xiao-Gang SUN，Wei WANGLETTER TO THE EDITOR612-614
