1Impact of coronary angioplasty in elderly patients with non-ST-segment elevation myocardial infarctionFemando F.Gongalves，José P.Guimar(a)es，Sara C.Borges，Pedro S.Mateus，José I.MoreiraRESEARCH ARTICLE449-454
2Impact of prosthesis-patient mismatch on early and late outcomes after mitral valve replacement: a meta-analysisMeng-Wei TAN，Yi-Fan BAI，Xiao-Hong LIU，Zhi-Yun XU，Zhao AN，Ye MA，Li-Bo ZHAO，Bai-Ling LIRESEARCH ARTICLE455-475
3Pulmonary vein isolation implemented by second-generation cryoballoon for treating hypertrophic cardiomyopathy patients with symptomatic atrial fibrillation: a case-control studyZhong-Jing CAO，Xiao-Gang GUO，Qi SUN，Jian-Du YANG，Hui-Qiang WEI，Shu ZHANG，Jian MARESEARCH ARTICLE476-485
4Relationship between red blood cell distribution width levels and atrial fibrillation in hypertensive patientsLi-Hui ZHENG，Shang-Yu LIU，Feng HU，Zhi-Cheng HU，Li-Shui SHEN，Ling-Min WU，Yan YAORESEARCH ARTICLE486-494
5Screening of unknown atrial fibrillation through handheld device in the elderlyFrancesco Rivezzi，Riccardo Vio，Claudio Bilato，Leopoldo Pagliani，Giampaolo Pasquetto，Salvatore Saccà，Roberto Verlato，Federico Migliore，Sabino Iliceto，Vito Bossone，Emanuele BertagliaRESEARCH ARTICLE495-501
6Self-reported risk of stroke and factors associated with underestimation of stroke risk among older adults with atrial fibrillation: the SAGE-AF studyJordy Mehawej，Jane Saczynski，Jerry H.Gurwitz，Hawa O.Abu，Benita A.Bamgbade，Wei-Jia WANG，Tenes Paul，Katherine Trymbulak，Connor Saleeba，Zi-Yue WANG，Catarina I.Kiefe，Robert J.Goldberg，David D.McManusRESEARCH ARTICLE502-509
7Role of Pulmonary Embolism Response Team in patients with intermediate-and high-risk pulmonary embolism: a concise review and preliminary experience from ChinaYing LIANG，Shao-Ping NIE，Xiao WANG，Ashley Thomas，Elizabeth Thompson，Guan-Qi ZHAO，Jing HAN，Jing WANG，Mark J D GriffithsREVIEW510-518
8Effects of nicorandil on myocardial infarct size in patients with ST-segment elevation myocardial infarction undergoing primary percutaneous coronary intervention: study design and protocol for the randomized controlled trialXiao-Si JIANG，Li-Chao TIAN，Zi-Chao JIANG，Yu-Ting ZOU，Ping LI，Xin-Chun YANG，Xi SU，Jin-Wen TIAN，Bei SHI，Zong-Zhuang LI，Yong-Jun LI，Ren-Qiang YANG，Geng QIAN，Yun-Dai CHENSTUDY PROTOCOL519-524
9Induced atrial fibrillation during defibrillation test on implantation of subcutaneous implantable cardioverter defibrillatorKi-Hun Kim，Sang-Hoon Seol，Jino Park，Yeo-Jeong Song，Seunghwan Kim，Dong-Kie KimLETTER TO THE EDITOR525-527
10Pacemaker mimicking a tunnel diggerMatthaios V.Didagelos，Dimitrios Afendoulis，Petros Voutas，Athanasios N.KartalisLETTER TO THE EDITOR528-529
11Wide QRS complex tachycardia in a patient with wide QRS complex sinus rhythm due to left bundle branch block patternAndrás Vereckei，Katalin Vadász，András ZsáryLETTER TO THE EDITOR530-532
