Objective:While age has been recognized as a noteworthy factor in preoperative graft selection,the correlation between age and hamstring autograft diameter has been the subject of continued debate within the scientifi...Objective:While age has been recognized as a noteworthy factor in preoperative graft selection,the correlation between age and hamstring autograft diameter has been the subject of continued debate within the scientific community.This study aimed to explore the correlation between the diameter of autologous tendon grafts and age in anterior cruciate ligament reconstruction(ACLR).Methods:A retrospective review of 388 patients who underwent arthroscopic ACLR with hamstring autografts was performed.Patients were grouped by age to analyze differences in hamstring autograft dia-meter and tendon cross-sectional area(CSA).We explored the correlations between age and graft diameter and between age and the CSA of the popliteal tendon while controlling for the influence of other pertinent variables.Results:Compared with female patients,male patients presented significantly greater autograft diameters and hamstring tendon CSAs(P<0.05).Notably,graft diameter and hamstring tendon CSA varied significantly across different age groups(P<0.05);patients aged>32 years were substantially more likely to have a graft diameter exceeding 8 mm and a CSA surpassing 18.5 mm^(2) than their≤32-year-old counterparts were(P<0.05).Conclusion:This study revealed that graft diameter varies across different age groups,with age independently influencing graft diameter.展开更多
膝关节植入物常被用来替换膝关节受损组织,恢复膝关节的正常功能和关节内正常的应力分布。有限元分析(FEA)可利用有限的、相互连接的单元对膝关节植入物植入后的膝关节应力进行精准、快捷的计算,直观的展现植入物植入后的膝关节应力分...膝关节植入物常被用来替换膝关节受损组织,恢复膝关节的正常功能和关节内正常的应力分布。有限元分析(FEA)可利用有限的、相互连接的单元对膝关节植入物植入后的膝关节应力进行精准、快捷的计算,直观的展现植入物植入后的膝关节应力分布情况。本研究通过中国知网、Web of Science、PubMed等数据库调研FEA在膝关节植入物生物力学研究中应用的相关文献,以人工膝关节、人工半月板和前交叉韧带移植物为主体,阐述了通过FEA分析植入物在不同材料结构设置和植入条件下对术后膝关节应力分布的影响,并分析了该领域现存的技术问题及未来的发展方向。展开更多
基金This work was supported by the Fundamental Research Funds for the Central Universities(WK9110000143)the USTC Research Funds of the Double First-Class Initiative(YD9110002060)the Health Research Program of Anhui(AHWJ2022b060)。
文摘Objective:While age has been recognized as a noteworthy factor in preoperative graft selection,the correlation between age and hamstring autograft diameter has been the subject of continued debate within the scientific community.This study aimed to explore the correlation between the diameter of autologous tendon grafts and age in anterior cruciate ligament reconstruction(ACLR).Methods:A retrospective review of 388 patients who underwent arthroscopic ACLR with hamstring autografts was performed.Patients were grouped by age to analyze differences in hamstring autograft dia-meter and tendon cross-sectional area(CSA).We explored the correlations between age and graft diameter and between age and the CSA of the popliteal tendon while controlling for the influence of other pertinent variables.Results:Compared with female patients,male patients presented significantly greater autograft diameters and hamstring tendon CSAs(P<0.05).Notably,graft diameter and hamstring tendon CSA varied significantly across different age groups(P<0.05);patients aged>32 years were substantially more likely to have a graft diameter exceeding 8 mm and a CSA surpassing 18.5 mm^(2) than their≤32-year-old counterparts were(P<0.05).Conclusion:This study revealed that graft diameter varies across different age groups,with age independently influencing graft diameter.
文摘膝关节植入物常被用来替换膝关节受损组织,恢复膝关节的正常功能和关节内正常的应力分布。有限元分析(FEA)可利用有限的、相互连接的单元对膝关节植入物植入后的膝关节应力进行精准、快捷的计算,直观的展现植入物植入后的膝关节应力分布情况。本研究通过中国知网、Web of Science、PubMed等数据库调研FEA在膝关节植入物生物力学研究中应用的相关文献,以人工膝关节、人工半月板和前交叉韧带移植物为主体,阐述了通过FEA分析植入物在不同材料结构设置和植入条件下对术后膝关节应力分布的影响,并分析了该领域现存的技术问题及未来的发展方向。
