1Significance of Ranawat''s triangle method in determining the rotation center of normal hip jointLiu Ya-bin, Ma Xin-long2625-26302Old femoral neck fractures with senile osteoporosis: choice of femoral prosthesis according to femoral calcar-medullary cavity ratioZhu Xu-ri, Sun Guang-quan, Liu Xin, Chen Guo-qing, Du Bin2631-26363Early follow-up of total hip arthroplasty with Accolade TMZF cementless femoral prosthesisZhu Yong-sheng, Xu Yao-zeng, Zhu Feng, Wu Guang-peng, Shao Hong-guo2637-26414Comprehensive prevention of deep vein thrombosis after total hip replacementChen Jian-hong, Xi Zi-long, Yuan Zhu2642-26475Effects of tranexamic acid on hidden blood loss after total knee arthroplasty in animal modelsYuan Lei, Bao Ni-rong, Zhao Jian-ning2648-26546Efficacy and safety of tranexamic acid on blood loss after unilateral total knee arthroplastyMin Peng, Peng Yin-xiao, Hu Jiang-hai, Gu Zu-chao2655-26607Thrombosis prediction within short time after total knee arthroplasty: dynamic monitoring of D-Dimer and fibrin degradation productsYuan Wei, Ma Hua-song, Wang Xiao-ping, Chen Zhi-ming, Lu Ming, Xu Qi-ming, Ren Dong-yun2661-26668Patellar arthroplasty in one-stage bilateral total knee arthroplasty for knee osteoarthritisGao Zi-li, Sun Kang, Tian Shao-qi2667-26719Artificial cervical disc replacement: range of motion of replacement segment and degeneration of adjacent segmentsChen Xuan-yu, Wu Ji, Zheng Chao, Huang Rong-rong, Cui Yu-ming, Shang Yong, Fan Heng-hua, Yu Pan-feng, Zhao Xu-hong, Chu Dong2672-267610Correlation of trace elements and bone fusion surrounding hip prosthesisFu Xiao-dong, Wang Wei-li, Shen Yi, Li Xiao-miao2677-268211Anatomic measurements of internal fixation-related implantation points of inferior thoracic spinal latero-anterior vertebral screwsSun Xiang-xin, Wang Zhi-jie2683-268712Percutaneous screw fixation combined with articular process bone grafting for the treatment of thoracolumbar fractures: constructing long-term stabilityGao Hao-ran, Zhao Hai-en, Qian Shu, Guo Shi-kong, Li Hong, Qian Ji-xian2688-269313Posterior decompression screw fixation for treatment of thoracolumbar burst fracture combined with spinal cord injury: evaluation of neurological functionLi Fei, Jiang Yu-wen, Huang Ming-guang, Zeng Qiu-tao2694-269814Transforaminal lumbar interbody fusionvia Quadrant system: early correction of lumbar spondylolisthesisHao Ying-jie, Li Zhi-lei, Yu Lei, Zhang Di, Liu Tao2699-270315Delayed healing or post-operative recurrence in pediatric spinal tuberculosis: efficacy of individualized re-operationZhang Xiao-dong, Mardan·Mamat, Yakup·Abulizi, Ailixier, Sheng Wei-bin, Deng Qiang2704-271016Screw plate fixation, intramedullary fixation and artificial femoral head replacement in the repair of femoral intertrochanteric fractures in the elderly: choice and comparisonZuo Jin-bu, Yu Lei, Liang Hong-wei, Wang Wei, Zhao Bin2711-271817Fixation with three kinds of implants to repair osteoporotic intertrochanteric fractures: univariate and multivariate analysis of failureZhou Bo, Zhu Qi, Zhong Shu-tao2719-272318Intramedullary nail or anatomical plate internal fixation for closed reduction of femoral shaft fracture: comparison of fracture stabilityShi Hai-shan2724-272919Fresh and old tibial intercondylar eminence fracture by arthroscopic wire fixationXie Hu, Zhang Ji-ping, Li Yong-zhong, Min Hua, Lin Hua2730-273420Indications for screw fixation of posterior malleolas fracturesCheng Yuan, Gao Shi-chang, Ni Wei-dong, Liang An-lin2735-2740 