1Risk of conduction disturbances following different transcatheter aortic valve prostheses: the role of aortic valve calcificationsFrancesco Pollari，Ferdinand Vogt，Irena Gro?mann，Jill Marianowicz，Marie Claes，Steffen Pfeiffer，Johannes Schwab，Theodor FischleinRESEARCH ARTICLE167-176
2Association of time-varying changes in physical activity with cardiac death and all-cause mortality after ICD or CRT-D implantationXue-Rong SUN，Chen-Di CHENG，Bin ZHOU，Shuang ZHAO，Ke-Ping CHEN，Wei HUA，Yan-Gang SU，Wei XU，Fang WANG，Xiao-Han FAN，Yan DAI，Zhi-Min LIU，Shu ZHANGRESEARCH ARTICLE177-188
3Percutaneous coronary intervention in octogenarians: 10-year experience from a primary percutaneous coronary intervention centre with off-site cardiothoracic supportJoanna Abramik，Amardeep Dastidar，Nestoras Kontogiannis，Victoria North，Gopendu Patri，Nicholas Weight，Tushar Raina，George KassimisRESEARCH ARTICLE189-197
4Mortality in patients with heart failure and suicidal ideation discharged to skilled nursing facilitiesMelanie L Bozzay，Lan Jiang，Andrew R Zullo，Melissa R Riester，Jacob A Lafo，Zachary J Kunicki，James L Rudolph，Caroline Madrigal，Rachel Clements，Sebhat Erqou，Wen-Chih Wu，Stephen Correia，Jennifer M PrimackRESEARCH ARTICLE198-208
5Associations of body mass index and hospital-acquired disability with post-discharge mortality in older patients with acute heart failureAkihiro Sakuyama，Masakazu Saitoh，Kentaro Hori，Yuichi Adachi，Keigo Iwai，Masatoshi NagayamaRESEARCH ARTICLE209-217
6Relationship of body fat and left ventricular hypertrophy with the risk of all-cause death in patients with coronary artery diseaseBao-Tao HUANG，Lu YANG，Bo-Sen YANG，Fang-Yang HUANG，Qian-Feng XIAO，Xiao-Bo PU，Yong PENG，Mao CHENRESEARCH ARTICLE218-226
7Cognitive impairment and its association with circulating biomarkers in patients with acute decompensated heart failureYing-Chang Tung，Fu-Chih Hsiao，Chia-Pin Lin，Wen-Chuin Hsu，Pao-Hsien ChuRESEARCH ARTICLE227-237
8Caseous calcification of mitral annulus in the setting of multivessel diseaseSwetha R Nuthulaganti，Bijal R Patel，Carly A Rabinowitz，Maria Gutierrez，Khadeeja Esmail，Reeba OmmanLETTER TO THE EDITOR238-240
9Severe aortic stenosis and acute coronary syndrome in an elderly patient with idiopathic thrombocytopenic purpura:a therapeutic challengeMehmet Rasih Sonsoz，Selin Berk，Hamdi Pusuroglu，Ahmet Guler，Fatih UzunLETTER TO THE EDITOR241-244
10COVID-19: cardiovascular manifestations—a review of the cardiac effectsTaha Hatab，Mohamad Bahij Moumneh，Abdul Rahman Akkawi，Mohamad Ghazal，Samir E.Alam，Marwan M.RefaatLETTER TO THE EDITOR245-250
