1Guidelines and recommendations for perioperative infection control in patients with Delta variant of COVID-19Perioperative Infection Control Society of Chinese Society of Cardiothracic and Vascular AnesthesiaExpert Consensus311-3152Multimodal general anesthesia with opioid-sparing modeWU Yun, HAN Wei, WANG Penglei, ZHANG YeExpert Forum319-3233The comparison of butorphanol and sufentanil in intravenous anesthesia for tran-surethral ureteroscopic lithotripsyLI Yinan, SUN Wenze, SUN Wei, ZHAO ZiliangClinical Study324-3284Evaluation of the analgesic effect of erector spinae plane block in thoracoscopic unilateral pneumonectomyXU Nan, LI Runlin, LIU XinClinical Study329-3325Clinical application of positioning and evaluation under ultrasound in elderly patients undergoing lumbar epidural punctureXIE Kai, QIAN Jun, LU YunmeiClinical Study333-3366Efficacy and safety evaluation of brachial plexus block combined with different dose of adjuvantsFANG Qiao, CHEN Qinghong, WANG Gang, ZHOU Yan, ZHANG Yang, LIU TaoClinical Study337-3407The effect of continuous fascia iliaca compartment block on stress response and postoperative delirium in elderly patients with hip fractureLIU Keke, DENG Chujiao, WANG Jiazheng, ZENG Zhiying, DENG Dingling, WANG YanClinical Study341-3458Clinical study of ropivacaine combined with dexmedetomidine for erector spinae plane block in perioperative period of foraminoscopic surgeryDU Jing, ZOU Shidong, HUANG Qiang, SUN Yulan, LAN NuoClinical Study346-3509Effect of hyperthermic intraperitoneal chemotherapy on intracranial pressure in patients with ovarian cancer via ultrasound measurement of optic nerve sheath di-ameterLIANG Xiusheng, HUANG Yizhou, JIANG Jingjing, SHAO Bing, GONG Jianping, LIU Yuyan, LIANG Lichun, LI HengClinical Study351-35410Comparison of the effects of norepinephrine and phenylephrine prophylactic infu-sion on parturient and fetus during caesarean deliverySikandaier·Wushouer, HU Junjiao, QIN XingangClinical Study355-35811Application of reusable warming blanket and self-heating pack in patients under-going Da Vinci robot-assisted surgery for resection of colorectal cancerJIA Xiaoqin, WANG Lingkai, YAN WenjunClinical Study359-36212Clinical observation of controlled low central venous pressure technique under transesophageal echoeardiograph monitoring in laparoscopic hepatectomyLI Tao, DAI Zhao, ZHANG Jing, MENG XiangruiClinical Study363-36713Effects of ultrasound-guided TPVB and RSB on hemodynamics and postoperative acute pain in patients undergoing radical esophageal cancer surgeryWANG Dabin, YAN Wenjun, ZHU Lei, HU Qionghua, HAO ShuangClinical Study368-37214The efficacy of WeChat platform combined with problem-based learning teaching method on interns training in anesthesia intensive care unitWU Yun, WANG Jiayou, WU Xinzhe, ZHANG YeTeaching Study373-37515Application of ORSIM ? bronchial simulator in fiberoptic bronchoscope guided endotracheal intubation for residents standardized training of anesthesiologistsCHEN Yu, LI Jun, LIU Xiaomei, LYU HaoTeaching Study376-37916Investigation on the cognitions and service demands of pregnant women on labor analgesiaTAO Pinyue, HUANG Huiqiao, LIANG Rong, ZENG Fei, LI Tao, MENG Xiaohui, HUANG QiuhongInvestigation Study380-38517The establishment and application of information system-based anesthesia clinical pathwayLU Jun, LIU Xingxing, XIA Boyang, BIAN JinjunQuality Management and Promotion386-38818Analysis of maternal structure and obstetric anesthesia management after the im-plementation of two-child policyLU Yixing, LIU Siyan, PENG WeiQuality Management and Promotion389-39319Informatization closed-loop management of narcotic and psychotropic drugs based on the presence of clinical pharmacists in the anesthesia departmentWU Qiao, ZHANG Lijun, LI Dai, FAN Yuhua, PAN Ke, BIAN Jinjun, BO LulongQuality Management and Promotion394-39620PDCA management tools in improving the quality of electronic care medical re-cords of operating roomWANG Xiaoling, WAN DaihongQuality Management and Promotion397-402 