1The connotation and means of knee-preservation for osteoarthritisJIANG Qing, ZHANG YuEditorial481-4862Effects of autologous hamstring reconstruction with anterior cruciate ligament stump preservation onHUANG Gan, GE Shao-yong, WANG Yang, LI JunKnee surgery487-4923Analysis on the blood loss reduction of open-box prosthesis in total knee arthroplastyWU Sha, ZHANG Wei, LIU Pu, SUN Chang-jiao, DU Rui-yong, CAI XuKnee surgery493-4964Gait analysis and satisfaction survey of patients after primary knee arthroplastyYANG Xin-yu, WANG Wei-tao, ZHAO Bo, QI Shu-yanKnee surgery497-5015Short-term therapeutic effect of side-opening injection cannulas in bilateral percutaneous kyphoplasty for osteoporotic vertebral compression fracturesLI Yan-ning, YANG Xiao-sheng, ZHANG Zhi-hai, HUANG JinOriginal article502-5076Finite element biomechanical study on the relationship between recurrence of lumbar disc herniation after posterior intervertebral foramen surgery and integrity of posterior longitudinal ligamentLIU Jin-yu, CUI Hong-peng, DING Yu, LU Zheng-cao, DU Wei, LI Wen, ZHAO Bo-ran, YU Shu-juan, ZHOU Wei-jinOriginal article508-5147Clinical application of 3D-printed artificial vertebral body in the reconstruction after cervical giant cell tumor resection by anterior and posterior approachJI Yu-qing, LI Zhen-feng, LI Jian-min, WANG Guang-hui, LI Yu-chun, YANG Qiang, WU Yu-xianOriginal article515-5208Effect of miR-145 on the proliferation,apoptosis and inflammation of TNF-α-induced human articular chondrocytesABUDUAINI Re-wu-ti, XIAO Wei, ZHOU Wen-zheng, CHE Li-xin, XU Jiang-bo, SUN Jun-gangOriginal article521-5269Effects of different doses of dexmedetomidine combined with sufentanil on intraoperative and postoperative outcomes of total hip arthroplastyTAO Yun-sheng, JIANG Zhao-lin, Gan Quan, WU Xiang-nanOriginal article527-53210Prediction of bone cement leakage risk in percutaneous vertebroplasty or kyphoplasty based on preoperative vertebral imaging parametersLI Qiu-jiang, FANG Xiao-min, WANG Yin-bin, HU Xue-hua, CAI Li-junReview533-54011Active exercise training in the functional recovery after elbow fractureSUN Hai-yan, FAN Chen, SUN Hai-feng, SHI Xiu-xiu, QIN Jiang, TANG Jin-shuClinical research and practice541-54512Network pharmacology analysis and clinical verification of Shenmai injection in the treatment of knee osteoarthritisCHENG Zhong-wu, WANG Da-yu, ZHANG Ben-jie, ZHOU Jie, DU HuiClinical research and practice546-55313Protective effects and mechanism of miR-130a on IL-1β induced osteoarthritis cell modelLU Wei-guang, TANG Shan-hua, WANG Can-binClinical research and practice554-560 