1Elevated lipoprotein(a)levels predict all-cause mortality and cardiovascular events in maintenance hemodialysis patientsFU Xin-yi, BAI Ma-qiao, LEI Chen-yu, XU An-ning, YUAN Lin-lin, CAI Wen-jing, ZHANG Li, YE Zhi-ming, LI Zhi-lian59-682Positive association between uric acid-to-albumin ratio and long-term mortality in patients undergoing elderly heart valve surgeryWANG Yu-ru, GU Bo-wen, BAO Rong-xing, GU Xiao-lin, HE Hai-lin69-77,873Impact of coronary artery calcification on statin therapy and major adverse cardiovascular eventsWU Di, YU Dan-qing78-874Analysis of risk factors for progression to chronic kidney disease following recovery from acute kidney injury after heart transplantationCHEN Zhi-jin, ZHENG Cai-yan, HU Hao-fei, LI Ai-ting, QIN Le-le, ZENG Ting-ting, WANG Xin-ya, ZHANG Ze-han, YE Zhi-ming88-975Clinical efficacy of early repeated endotracheal pulmo-nary surfactant combined with inhaled nitric oxide in the treatment of persistent pulmonary hypertension of the newbornHU Xiao-long, ZHANG Xiao-hua, JIN Li-zhu98-106,1206The predictive value of postoperative blood urea nitrogen for in-hospital and 1-year mortality in elderly patients un-dergoing valve replacement surgeryDU Su-ling, CHE Shuai-zheng, CHEN Yan-li107-113,1207Combined detection of HbA1c,IL-1 β and SOD enhances diagnostic efficacy for diabetic cardiomyopathyCHENG Fei, LI Zhong-rong, ZHONG Yao-tang, YAO Bo-qian, WANG Xiao-li, LIANG Su-zhen114-1208The predictive value of N-terminal pro-brain natriuretic peptide for short-term mortality in patients with infective endocarditis complicated with sepsisWANG Na, XIE Yin-jun, LIAO You-wan, ZHAN Xiu-jin121-127,封39Analysis of risk factors for frailty in hospitalized patients with chronic heart failure and construction of a prediction modelZHU Ze-jun, WU Hang-zhong, YANG Xu-xi, CHEN Shu-ling, SU Min-ling128-136,封3