1From the quality control index of anesthesia to perioperative patient safetyMA Shuang, PEI Lijian, HUANG YuguangEditorial223-2252Fetal medicine-a new field of maternal and infant anesthesiaHAN Guang, ZHAO PingEditorial226-2283Perioperative mortality rate: one of the WHO's 100 core health indicatorsLIU JingchenExpert Forum229-2324Anesthesia related adverse events classification and gradingLI Chao, KE Jingdong, WANG Fang, WAN Lei, TIAN MingExpert Forum233-2365The safety profile of general anesthetics on neonates delivered by a C-section on plateausXIE Yuhai, WANG Xuejun, YAO Zeyu, LI Xiangyang, BAI ZhiqiangClinical Study237-2396Effects of hypotension duration on neural function and brain water content in ratsZHANG Qi, SHI Lei, SUN Bei, CAI HongweiExperimental Study240-2447Comprehensive quality control programs to promote departmental progressLI Libiao, LIU Ye, YU Jianshe, SHI Haixia, SHOU Qionghua, WU LifangQuality Management and Promotion245-2498Assessment of Operating Room Emergency Manual simulation trainingZHANG Chunyuan, ZENG Wei, RAO Zuhua, MA Jian, WU Yanwen, WU Mian, LIU Jinfan, ZHONG Hui, YU Zhuan, HUANG JeffreyContinuing Education260-2629The influence of interactive WeChat platforms on education of anesthesiaGUO Hai, ZHENG HongContinuing Education263-26510The application status and advances of dexmedetomidine in cardiac anesthesiaWU Yuli, WANG Yongwang, YU WenliReview Articles266-26811Be awarded of elderly frailty and heighten the perioperative management for geri-atricsDENG Shuozeng, SHENG Haizhong, ZHANG JinhuaReview Articles269-27212Rapid antidepressant effect and perioperative application of ketamineLIU Li, WANG XiaobinReview Articles273-276