1Key point of clinical research protocol design -- Framing questions for a studyWENG Hong, ZHU Fenglei, TIAN Guoxiang, ZENG XiantaoTheory and Practice of Evidence-based Medicine769-7712Renal protection effects of benidipine in patients with hypertension: meta-analysisWANG Ling, YUAN WeijieTheory and Practice of Evidence-based Medicine772-778,7833Meta - analysis of the effect of hypertonic saline solution on patients with decompensated heart failureYu Chunyang, Lv Jie, Yan WentingTheory and Practice of Evidence-based Medicine779-7834Meta-analysis of dual antiplatelet therapy for 6 months and 12 months after percutaneous coronary interventionZhu Yuhan, Shen Xiaoxu, Jiang Qimin, Han Qingqing, Zhao JingTheory and Practice of Evidence-based Medicine784-787,7915Association between antiphospholipid antibodies and the risk of thrombosis in patients with primary immune thrombocytopenia: A Meta-analysisGe Xingyao, Zhang Chao, Yan Jinzhu, Yuan Ruixia, Wang WeiTheory and Practice of Evidence-based Medicine788-7916Clinical characteristics of patients with acute ST-segment elevation myocardial infarction complicated by perioperative cardiogenic shockTian Jinfan, Lv Shuzheng, Liu Yue, Song Xiantao, Zhang Min, Xu Feng, Yuan Fei, Ge Changjiang, Dai JingTreatise792-7957The correlation between stable coronary heart disease and the eye collateral based on theory of endogenous collateral windLi Hongmei, Lu Yu, Wei Yiming, Wang XianTreatise796-7998Influence of asphyxia on myocardial β-adrenergic receptor in neonatal miceLi Changjian, Xi Shibing, Li TaoTreatise800-8039Analysis of the effect of NT-proBNP and LAV level changes on the early diagnosis of recurrence of atrial fibrillation after radiofrequency ablationBAI Zhongle, TAO Hailong, XING Junhui, LI LingTreatise804-80610Study on the correlation between matrix metalloproteinase - 8 and acute myocardial infarction and coronary artery diseaseHe Miao, Zhang Wei, Xiu Mingwen, Gao Fei, Bian YuyaoTreatise807-809,81211Influence of salidroside on rats with diabetic cardiomyopathyGAO Jing-yuan, YANG Yu-yang, XING Lei, LI Ji-anTreatise810-81212Predictive value of elevation of high-sensitivity cardiac troponin T to major adverse cardiovascular events in patients with unstable angina pectoris after percutaneous coronary interventionZhao Shaopan, Fu Shihui, Luo LeimingTreatise813-81613Level of serum high-sensitivity cardiac troponin T and early diagnosis of acute myocardial infarctionLu ZhangqiangTreatise817-818,82114The effect of repeatedly interventional therapy of multi-vessel coronary disease on contrast induced nephropathyZhang Jie, Song HongxingTreatise819-82115Influence of long-term consumption of edible rich-potassium low-sodium salt on salt intake in gerocomium populationWang Xiaoyun, Li Weiwei, Li Dongfeng, Guo Yu, Zhang Buqiang, Zhao Jinguo, Dong Yuehong, Liu Yongjuan, Yu Qin, Zhang Hongye, Liu LishengTreatise822-82416The predictive role of neutrophil-to-lymphocyte ratio for paroxysmal atrial fibrillation recurrence after radiofrequency ablationZhang Tao, Li DongfengTreatise825-82717Correlation between non-alcoholic fatty liver disease and in-stent restenosis after percutaneous coronary interventionHu Sheng, Pan Qinghua, Qu Bing, Qian Cheng, Chen PengfeiTreatise828-83018Real-time 3-dimensional echocardiography for reviewing left ventricular segmental systolic function and left ventricular remodeling in patients with acute myocardial infarctionYu Li, Wen Dong, Liu TaoTreatise831-83319Relationship between CysC level and ventricular remodeling and prognosis in patients with T2DMCao Liping, He Min, Zhao Guozhong, Ding Yunlei, Jiang YajunTreatise834-83620The efficacy and safety of isosorbide mononitrate combined with dopamine in the treatment of heart failureSong Shuo, Wang JianChun, Yang GuopingTreatise837-839 