<strong>Background:</strong><span style="font-family:;" "=""><span style="font-family:Verdana;"> Intraoperative surgical planning tools (ISPTs) used in curren...<strong>Background:</strong><span style="font-family:;" "=""><span style="font-family:Verdana;"> Intraoperative surgical planning tools (ISPTs) used in current-generation robotic arm-assisted total knee arthroplasty (RTKA) systems (such as Navio</span><sup><span style="font-size:12px;font-family:Verdana;"><span lang="ZH-CN" style="font-size:12pt;font-family:宋体;">®</span></span></sup><span style="font-family:Verdana;"> and MAKO</span><sup><span style="font-size:12px;font-family:Verdana;"><span lang="ZH-CN" style="font-size:12pt;font-family:宋体;">®</span></span></sup><span style="font-family:Verdana;">) involve employment of postoperative passive joint balancing. This results in improper ligament tension, which may negatively impact joint stability, which, in turn, may adversely affect patient function after TKA. </span><b><span style="font-family:Verdana;">Methods:</span></b><span style="font-family:Verdana;"> A simulation-enhanced ISPT (SEISPT) that provides insights relating to postoperative active joint mechanics was developed. This involved four steps: 1) validation of a multi-body musculoskeletal model;2) optimization of the validated model;3) use of the validated and optimized model to derive knee performance equations (KPEs), which are equations that relate implant component characteristics to implant component biomechanical responses;and 4) optimization of the KPEs with respect to these responses. In a proof-of-concept study, KPEs that involved two</span></span><span style="font-family:Verdana;"> </span><span style="font-family:Verdana;">com</span><span style="font-family:Verdana;">- </span><span style="font-family:;" "=""><span style="font-family:Verdana;">ponent biomechanical responses that have been shown to strongly correlate with poor proprioception (a common patient complaint post-TKA) were used to calculate optimal positions and orientations of the femoral and tibial components in the TKA design implanted in one subject (as reported in a publicly-available dataset). </span><b><span st展开更多
背景:机械臂辅助单髁置换术(rUKA)已广泛应用于单间室膝骨关节炎的治疗,其相比传统人工间隙平衡技术膝关节单髁置换术(mUKA)的有效性和安全性尚存质疑。目的:比较rUKA与mUKA的优劣,分析使用机械臂辅助技术的必要性。方法:本研究通过met...背景:机械臂辅助单髁置换术(rUKA)已广泛应用于单间室膝骨关节炎的治疗,其相比传统人工间隙平衡技术膝关节单髁置换术(mUKA)的有效性和安全性尚存质疑。目的:比较rUKA与mUKA的优劣,分析使用机械臂辅助技术的必要性。方法:本研究通过meta分析评估rUKA相对于mUKA对患者预后及假体生存是否存在优势。检索PubMed,Central,Scopus,Embase,Web of Science,中国知网,维普,万方等数据库,收集手术时间、伤口并发症、术后无原因疼痛、5年翻修率及原因等因素,连续变量使用标准化平均差及其相应的95%置信区间(95%CI)计算效应量,使用二分法数据合并以获得95%CI的相对风险(RR)计算二分变量的加权比值比和。使用Revman5.3进行数据分析。结果:本研究纳入16篇文献共2107例膝关节单髁置换,其中rUKA 882例,mUKA 1225例。rUKA组相比mUKA组的手术时间延长(MD:13.73,95%CI:4.83~22.62;P<0.01),伤口并发症和术后不明原因疼痛的差异无统计学意义,翻修率降低但差异无统计学意义(MD:0.56,95%CI:0.32~1.00;P=0.05),无菌性松动和假体感染的差异均无统计学意义。结论:rUKA相比mUKA无明显优势。展开更多
文摘<strong>Background:</strong><span style="font-family:;" "=""><span style="font-family:Verdana;"> Intraoperative surgical planning tools (ISPTs) used in current-generation robotic arm-assisted total knee arthroplasty (RTKA) systems (such as Navio</span><sup><span style="font-size:12px;font-family:Verdana;"><span lang="ZH-CN" style="font-size:12pt;font-family:宋体;">®</span></span></sup><span style="font-family:Verdana;"> and MAKO</span><sup><span style="font-size:12px;font-family:Verdana;"><span lang="ZH-CN" style="font-size:12pt;font-family:宋体;">®</span></span></sup><span style="font-family:Verdana;">) involve employment of postoperative passive joint balancing. This results in improper ligament tension, which may negatively impact joint stability, which, in turn, may adversely affect patient function after TKA. </span><b><span style="font-family:Verdana;">Methods:</span></b><span style="font-family:Verdana;"> A simulation-enhanced ISPT (SEISPT) that provides insights relating to postoperative active joint mechanics was developed. This involved four steps: 1) validation of a multi-body musculoskeletal model;2) optimization of the validated model;3) use of the validated and optimized model to derive knee performance equations (KPEs), which are equations that relate implant component characteristics to implant component biomechanical responses;and 4) optimization of the KPEs with respect to these responses. In a proof-of-concept study, KPEs that involved two</span></span><span style="font-family:Verdana;"> </span><span style="font-family:Verdana;">com</span><span style="font-family:Verdana;">- </span><span style="font-family:;" "=""><span style="font-family:Verdana;">ponent biomechanical responses that have been shown to strongly correlate with poor proprioception (a common patient complaint post-TKA) were used to calculate optimal positions and orientations of the femoral and tibial components in the TKA design implanted in one subject (as reported in a publicly-available dataset). </span><b><span st
文摘背景:机械臂辅助单髁置换术(rUKA)已广泛应用于单间室膝骨关节炎的治疗,其相比传统人工间隙平衡技术膝关节单髁置换术(mUKA)的有效性和安全性尚存质疑。目的:比较rUKA与mUKA的优劣,分析使用机械臂辅助技术的必要性。方法:本研究通过meta分析评估rUKA相对于mUKA对患者预后及假体生存是否存在优势。检索PubMed,Central,Scopus,Embase,Web of Science,中国知网,维普,万方等数据库,收集手术时间、伤口并发症、术后无原因疼痛、5年翻修率及原因等因素,连续变量使用标准化平均差及其相应的95%置信区间(95%CI)计算效应量,使用二分法数据合并以获得95%CI的相对风险(RR)计算二分变量的加权比值比和。使用Revman5.3进行数据分析。结果:本研究纳入16篇文献共2107例膝关节单髁置换,其中rUKA 882例,mUKA 1225例。rUKA组相比mUKA组的手术时间延长(MD:13.73,95%CI:4.83~22.62;P<0.01),伤口并发症和术后不明原因疼痛的差异无统计学意义,翻修率降低但差异无统计学意义(MD:0.56,95%CI:0.32~1.00;P=0.05),无菌性松动和假体感染的差异均无统计学意义。结论:rUKA相比mUKA无明显优势。