1To probe into the prevention and cure of related complications in total knee arthroplastyZHANG Hong421-4242An investigation of concerns of Chinese patients and their families before total knee arthroplastyLI Yang, CAI Hong, ZHANG Ke425-4303A follow-up analysis of the effects of manual reduction in 78 children with developmental dislocation of the hipCHENG Zeng-hui, MA Rui-xue431-4374Effects of hip arthroplasty in long-term dialysis patients and literature analysisZHANG Qing-wen, HE Wei, CHEN Lei-lei, FANG Bin, CHEN Zhen-qiu, ZENG Yi-rong438-4435Early diagnosis of lower limb deep vein thrombosis after total hip arthroplastyYAN Pei-yun, SONG Chao-ji, MIAO Sheng-long, WANG Dong, BI Hu444-4476A 18-case report:antibacterial irrigation through the sinus tract for periprosthetic infection after hip arthroplastyCHEN Tao, YU Run-ze, ZHANG Jie-bin, SHANG Xi-fu448-4517Effects of extracorporeal shock wave to the removal of cemented femoral prostheses in the revision of artificial hip replacementSUN Ying-hua, JIAO Zhao-de, WANG Li, ZHENG Xian-you, WANG Fu-chao452-4568A 36-case report:surgical treatment of floating shoulder injuriesYAN Wei-qiang, ZHANG Min, CHEN Yuan-zhuang457-46091 case report:misdiagnosis of hemophilic knee arthropathyXIANG Chuan, HU Yan-hui, WANG Zi-jiang, LUO Run-ming, WEI Xiao-chun461-46410To maintain vigilance for hemophilic arthropathy and to reduce missed and delayed diagnosisZHANG Ya-dong464-46511Current status of the application of antibiotic-loaded bone cements in primary arthroplastyWANG Xiao-nan, WANG Jin-cheng466-46912Application of porous tantalum in acetabular revision after total hip arthroplastyLI Liang, ZHAO Yang, WANG Zhi-qiang470-47313Research progress of scaffold materials in meniscus tissue engineeringCHEN Song, FU Pei-liang, CONG Rui-jun, WU Yu-li474-47714Questioning and thinking about chondromalacia patellaeGAO Shang-ming, ZHAO Xiao-feng, GUO Hai, WANG Yun-long, LI Dan-dan, WANG Zi-ping478-480