1New challenges of geriatric cardiology: from clinical to preclinical researchMarco Malavolta, Daniele Caraceni, Fabiola Olivieri, Roberto Antonicelli223-2322Atrial fibrosis: an obligatory component of arrhythmia mechanisms in atrial fibrillation?Pyotr G Platonov233-2373Clinical outcome of cardiac resynchronization therapy in dilated-phase hypertrophic cardiomyopathyMin GU, Han JIN, Wei HUA, Xiao-Han FAN, Hong-Xia NIU, Tao TIAN, Li-Gang DING, Jing WANG, Cong XUE, Shu ZHANG238-2444Comparison of very-high-frequency ultrasound assessment of radial arterial wall layers after first and repeated transradial coronary proceduresBei-Bei ZHANG, Yu-Jie ZHOU, Jie DU, Shi-Wei YANG, Zhi-Jiang WANG, Hua SHEN, Zhi-Ming ZHOU245-2535Long-term outcomes of PCI vs.CABG for ostial/midshaft lesions in unprotected left main coronary arteryCheng-Long GUO, Xian-Peng YU, Bang-Guo YANG, Meng-Meng LI, Ji-Qiang HE, Quan LI, Cheng-Xiong GU, Shu-Zheng LYU, Jian-Zeng DONG254-2606Transvenous versus open chest lead placement for resynchronization therapy in patients with heart failure: comparison of ventricular electromechanical synchronicityHai-Bo ZHANG, Xu MENG, Jie HAN, Yan LI, Ye ZHANG, Teng-Yong JIANG, Ying-Xin ZHAO, Yu-Jie Zhou261-2657Minimally invasive thalamic hematoma drainage can improve the six-month outcome of thalamic hemorrhageWen-Ming LIU, Xue-Guang ZHANG, Ze-Li ZHANG, Gang LI, Qi-Bing HUANG266-2738Non-invasive ventilation improves hemorheology status in hypoxemic patients with acute myocardial infarction after PCIXi-Fu WANG, Ming YE, Dong YAN, Hui-Min ZHANG, Ping JIA, Xue-Jun REN, Yu-Jie ZENG274-2799Effect of Allocryptopine on Late sodium current of atrial myocytes in spontaneously hypertensive ratsYing ZHAO, Xiao-Ting XIE, Yan-Mei SUN, Zhong-Qi CAI, Ying DONG, Chao ZHU, Xi CHEN, Hong-Lin WU, Jian-Cheng ZHANG, Yang LI280-28610Changes in physical activity and cardiovascular mortality in older adultsSara Higueras-Fresnillo, Pilar Guallar-Castillón, Verónica Cabanas-Sanchez, José R.Banegas, Fernando Rodríguez-Artalejo, David Martinez-Gomez287-28811Depression is associated with increased C-reactive protein levels in patients with heart failure and hyperuricemiaYu WANG, Yu-Zhi ZHEN, Jian-Long ZHAI, Dan WU, Kun-Shen LIU, Qing-Zhen ZHAO, Chao LIU289-292