1Current situation, existing problems and prospects of perioperative analgesia in total joint arthroplastyKANG Peng-de, WANG Qiu-ru, PEI Fu-xingEditorial81-852Study on non-enzymatic extraction of infrapatellar fat pad mesenchymal stem cells and efficacy of rabbit knee cartilage lesions repairFU Qi-wei, LI Hao-bo, ZHOU Yi-qin, SHAO Jia-hua, CHEN YiJoint surgery86-953Changes of tibial tunnel diameter after old and fresh anterior cruciate ligament injury and clinical efficacyHOU Fei-yi, ZHANG Lian, LI Shen-song, SHAO Hong-bin, YANG Qin-xu, LIU Hui-pingJoint surgery96-1024Efficacy analysis of two-stage revision surgery in the treatment of fungal periprosthetic knee joint infectionWU Ling-xiao, YU Yang, TAN Jun, JIANG Xu, XU Jian-zhongJoint surgery103-1095Comparison between ultrasound-guided pericapsular nerve group block and local infiltration analgesia for postoperative analgesia after total hip arthroplasty: a prospective randomized controlled trialWANG Qiu-ru, HU Jian, CAI Li-jun, Alqwbani.Mohammed, YANG Jing, KANG Peng-deOriginal article110-1156Effect of intra-articular infusion cocktail combined with tranexamic acid on postoperative pain and blood loss in patients with total knee arthroplastyCAI Yuan-zhen, HOU Wei-kun, LIU Lin, PENG Kan, YANG Zhi, HAO Yang-quan, XU PengOriginal article116-1227Initial stability observation and clinical exploration of domestic cementless total knee prosthesisSONG Xiao-lan, SUN Yong-qiang, LIU Guo-jie, YAN Liang, LI Shuai-lei, YE YeOriginal article123-1308Analysis of the incidence and clinical characteristics of anteromedial impingement fracture of tibial plateau in patients with posterolateral knee complex injuryZHANG Jun, LONG Guo, LI LuClinical research and practice131-1349Analysis of the efficacy of modified total arthroscopic three-approach reconstruction of the anterior talofibular ligament of the ankleZHENG Yun, HAN Xue-song, XIAO Jie, LIN ShunClinical research and practice135-13910Analysis of working ability of knee osteoarthritis patients after total knee arthroplastyWANG Meng-fei, HAO Yang-quan, ZHAO Ru-shun, SONG Jia-yin, XU Ke, XU Peng, LU ChaoClinical research and practice140-14511Influence of early bed cycling exercise combined with feedback-intensive health education after total knee arthroplasty on knee function and living abilityGAO Xin-ling, LIU Pei, WANG De-li, WENG Jian, LI Guo-qing, ZHANG HongClinical research and practice146-14912Progress in clinical diagnosis and treatment of periprosthetic joint infection after UKAYU Jin-yang, WANG Xiao, SHI Xiao-tao, YUAN Yan-hao, WANG Pei-zhao, XIN Chao-fei, TAN Hong-lueReview150-15513Research progress on risk factors of knee osteoarthritis in people at high altitudeSUN Xin, LOU Ben-jing, XIE Lu, BIAN BaReview156-160 