目的:以髁间窝外侧壁后软骨缘顶点(the apex of the deep cartilage,ADC)为标志,研究术后CT与镜下评估前交叉韧带(anterior cruciate ligament,ACL)股骨骨道位置时两种方法的一致性。方法:2014年5月至2016年5月,关节镜下前交叉韧...目的:以髁间窝外侧壁后软骨缘顶点(the apex of the deep cartilage,ADC)为标志,研究术后CT与镜下评估前交叉韧带(anterior cruciate ligament,ACL)股骨骨道位置时两种方法的一致性。方法:2014年5月至2016年5月,关节镜下前交叉韧带重建患者36例纳入本研究。所有患者术中均依据完好的股骨残端进行中心点定位。屈膝90°,测量ADC至前骨缘的水平距离(L_1)以及与骨道中心点的水平距离(l_1),计算l_1/L_1比值(P_1),同时测量骨道中心点与下骨缘的距离(D_1)。术后在CT片上测量ADC至前骨缘的水平距离(L_2)以及与骨道中心点的水平距离(l_2),计算l_2/L_2比值(P_2),同时测量骨道中心点与下骨缘的距离(D_2)。应用线性回归、Pearson相关和Bland-Altman分析比较镜下评估与CT评估的一致性。结果:P1=44.07%±2.22%(41.1%%~49.5%),D_1=6.2±0.5 mm(5.5~7 mm)。P_2=44.92%±2.27%(40.9%~50.2%),D_2=6.3±0.6 mm(5.1~7.5 mm)。P_1和P_2(r=0.99,P〈0.001)、D_1和D_2(r=0.69,P〈0.001))分别呈正相关,且线性关系显著(P〈0.001)。Bland-Altman图显示一致性较好。结论:以ADC为标志评估ACL股骨骨道位置,术后CT与镜下评估的一致性较好。展开更多
This article provides a discussion and commentary around the recent advances in arthroscopic anterior cruciate ligament reconstruction(ACLR),with a focus on the aspects of lateral femoral tunnel preparation and graft ...This article provides a discussion and commentary around the recent advances in arthroscopic anterior cruciate ligament reconstruction(ACLR),with a focus on the aspects of lateral femoral tunnel preparation and graft fixation techniques.The paper explores and comments on a recently published review by Dai et al,titled"Research progress on preparation of lateral femoral tunnel and graft fixation in ACLR",while providing insight into its relevance within the field of ACLR,and recommendations for future research.展开更多
Background:To perform anatomical anterior cruciate ligament reconstruction(ACLR),tunnels should be placed relatively higher in the femoral anterior cruciate ligament(ACL)footprint based on the findings of direct and i...Background:To perform anatomical anterior cruciate ligament reconstruction(ACLR),tunnels should be placed relatively higher in the femoral anterior cruciate ligament(ACL)footprint based on the findings of direct and indirect femoral insertion.But the clinical results of higher femoral tunnels(HFT)in double-bundle ACLR(DB-ACLR)remain unclear.The purpose was to investigate the clinical results of HFT and lower femoral tunnels(LFT)in DB-ACLR.Methods:From September 2014 to February 2016,83 patients who underwent DB-ACLR and met the inclusion and exclusion criteria were divided into HFT-ACLR(group 1,n=37)and LFT-ACLR(group 2,n=46)according to the position of femoral tunnels.Preoperatively and at the final follow-up,clinical scores were evaluated with International Knee Documentation Committee(IKDC),Tegner activity,and Lysholm score.The stability of the knee was evaluated with KT-2000,Lachman test,and pivot-shift test.Cartilage degeneration grades of the International Cartilage Repair Society(ICRS)were evaluated on magnetic resonance imaging(MRI).Graft tension,continuity,and synovialization were evaluated by second-look arthroscopy.Return-to-sports was assessed at the final follow-up.Results:Significantly better improvement were found for KT-2000,Lachman test,and pivot-shift test postoperatively in group 1(P>0.05).Posterolateral bundles(PL)showed significantly better results in second-look arthroscopy regarding graft tension,continuity,and synovialization(P<0.05),but not in anteromedial bundles in group 1.At the final follow-up,cartilage worsening was observed in groups 1 and 2,but it did not reach a stastistically significant difference(P>0.05).No statistically significant differences were found in IKDC subjective score,Tegner activity,and Lysholm score between the two groups.Higher return-to-sports rate was found in group 1 with 86.8%(32/37)vs.65.2%(30/46)in group 2(P=0.027).Conclusion:The HFT-ACLR group showed better stability results,better PL,and higher return-to-sports rate compared to the LFT-ACLR group.展开更多
目的探讨使用基于股骨外侧髁软骨顶点(apex of deep cartilage,ADC)设计的个性化股骨定位器辅助前交叉韧带(anterior cruciate ligament,ACL)重建术后患侧膝关节运动学变化情况。方法2021年1月—2022年1月共纳入40例符合选择标准的初次...目的探讨使用基于股骨外侧髁软骨顶点(apex of deep cartilage,ADC)设计的个性化股骨定位器辅助前交叉韧带(anterior cruciate ligament,ACL)重建术后患侧膝关节运动学变化情况。方法2021年1月—2022年1月共纳入40例符合选择标准的初次ACL断裂患者,随机分为研究组(使用基于ADC设计的个性化股骨定位器辅助ACL重建)和对照组(不使用上述个性化股骨定位器辅助ACL重建),每组20例;另外收集20名膝关节正常志愿者作为健康组。3组患者/志愿者性别、年龄、身体质量指数比较差异无统计学意义(P>0.05)。术后3、6、12个月,使用Opti_Knee膝关节三维运动测量分析系统对所有患者行步态分析,记录膝关节6个自由度(屈伸角、内外翻角、内外旋角、前后位移、上下位移及内外位移)和运动周期(最大步长、最小步长及步频),将患者数据与健康组数据进行比较。结果健康组志愿者屈伸角为(57.80±3.45)°、内外翻角为(10.54±1.05)°、内外旋角为(13.02±1.66)°、前后位移为(1.44±0.39)cm、上下位移为(0.86±0.20)cm、内外位移为(1.38±0.39)cm,最大步长为(51.24±1.29)cm、最小步长为(45.69±2.28)cm、步频为(12.45±0.47)步/min。与健康组比较,研究组和对照组患者术后3个月屈伸角和内外旋角减小,术后6个月对照组屈伸角减小,差异均有统计学意义(P<0.05);其余各时间点各指标与健康组比较差异均无统计学意义(P>0.05)。研究组组内比较,除术后6、12个月屈伸角和内外旋角大于术后3个月,差异有统计学意义(P<0.05)外,其余各时间点间各指标比较差异均无统计学意义(P>0.05)。研究组与对照组间除术后6个月屈伸角比较差异有统计学意义(P<0.05)外,其余各时间点两组间各指标比较差异均无统计学意义(P>0.05)。结论与常规手术相比,使用基于ADC设计的个性化股骨定位器辅助ACL重建术可帮助患者获得更满意的术后早期运动学疗效,三维运动学展开更多
Anterior cruciate ligament(ACL)injury is one of the most common types of sports injuries.People’s need to participate in sports and desire for a high quality of life promotes the continuous development of ACL reconst...Anterior cruciate ligament(ACL)injury is one of the most common types of sports injuries.People’s need to participate in sports and desire for a high quality of life promotes the continuous development of ACL reconstruction technology.Arthroscopic ACL reconstruction has been recognized as an effective method for the treatment of ACL injuries.This review analyses and summarizes the advantages and limitations of each surgical procedure for arthroscopic ACL reconstruction reported in the relevant literature so as to promote the future development of more relevant techniques.展开更多
文摘目的:以髁间窝外侧壁后软骨缘顶点(the apex of the deep cartilage,ADC)为标志,研究术后CT与镜下评估前交叉韧带(anterior cruciate ligament,ACL)股骨骨道位置时两种方法的一致性。方法:2014年5月至2016年5月,关节镜下前交叉韧带重建患者36例纳入本研究。所有患者术中均依据完好的股骨残端进行中心点定位。屈膝90°,测量ADC至前骨缘的水平距离(L_1)以及与骨道中心点的水平距离(l_1),计算l_1/L_1比值(P_1),同时测量骨道中心点与下骨缘的距离(D_1)。术后在CT片上测量ADC至前骨缘的水平距离(L_2)以及与骨道中心点的水平距离(l_2),计算l_2/L_2比值(P_2),同时测量骨道中心点与下骨缘的距离(D_2)。应用线性回归、Pearson相关和Bland-Altman分析比较镜下评估与CT评估的一致性。结果:P1=44.07%±2.22%(41.1%%~49.5%),D_1=6.2±0.5 mm(5.5~7 mm)。P_2=44.92%±2.27%(40.9%~50.2%),D_2=6.3±0.6 mm(5.1~7.5 mm)。P_1和P_2(r=0.99,P〈0.001)、D_1和D_2(r=0.69,P〈0.001))分别呈正相关,且线性关系显著(P〈0.001)。Bland-Altman图显示一致性较好。结论:以ADC为标志评估ACL股骨骨道位置,术后CT与镜下评估的一致性较好。
文摘This article provides a discussion and commentary around the recent advances in arthroscopic anterior cruciate ligament reconstruction(ACLR),with a focus on the aspects of lateral femoral tunnel preparation and graft fixation techniques.The paper explores and comments on a recently published review by Dai et al,titled"Research progress on preparation of lateral femoral tunnel and graft fixation in ACLR",while providing insight into its relevance within the field of ACLR,and recommendations for future research.
基金supported by the Beijing Natural Science Foundation of China(No.J210011)the National Natural Science Foundation of China(No.U22A2051)the Ministerial Commission of Science and Technology(No.JK-2022-07).
文摘Background:To perform anatomical anterior cruciate ligament reconstruction(ACLR),tunnels should be placed relatively higher in the femoral anterior cruciate ligament(ACL)footprint based on the findings of direct and indirect femoral insertion.But the clinical results of higher femoral tunnels(HFT)in double-bundle ACLR(DB-ACLR)remain unclear.The purpose was to investigate the clinical results of HFT and lower femoral tunnels(LFT)in DB-ACLR.Methods:From September 2014 to February 2016,83 patients who underwent DB-ACLR and met the inclusion and exclusion criteria were divided into HFT-ACLR(group 1,n=37)and LFT-ACLR(group 2,n=46)according to the position of femoral tunnels.Preoperatively and at the final follow-up,clinical scores were evaluated with International Knee Documentation Committee(IKDC),Tegner activity,and Lysholm score.The stability of the knee was evaluated with KT-2000,Lachman test,and pivot-shift test.Cartilage degeneration grades of the International Cartilage Repair Society(ICRS)were evaluated on magnetic resonance imaging(MRI).Graft tension,continuity,and synovialization were evaluated by second-look arthroscopy.Return-to-sports was assessed at the final follow-up.Results:Significantly better improvement were found for KT-2000,Lachman test,and pivot-shift test postoperatively in group 1(P>0.05).Posterolateral bundles(PL)showed significantly better results in second-look arthroscopy regarding graft tension,continuity,and synovialization(P<0.05),but not in anteromedial bundles in group 1.At the final follow-up,cartilage worsening was observed in groups 1 and 2,but it did not reach a stastistically significant difference(P>0.05).No statistically significant differences were found in IKDC subjective score,Tegner activity,and Lysholm score between the two groups.Higher return-to-sports rate was found in group 1 with 86.8%(32/37)vs.65.2%(30/46)in group 2(P=0.027).Conclusion:The HFT-ACLR group showed better stability results,better PL,and higher return-to-sports rate compared to the LFT-ACLR group.
文摘目的探讨使用基于股骨外侧髁软骨顶点(apex of deep cartilage,ADC)设计的个性化股骨定位器辅助前交叉韧带(anterior cruciate ligament,ACL)重建术后患侧膝关节运动学变化情况。方法2021年1月—2022年1月共纳入40例符合选择标准的初次ACL断裂患者,随机分为研究组(使用基于ADC设计的个性化股骨定位器辅助ACL重建)和对照组(不使用上述个性化股骨定位器辅助ACL重建),每组20例;另外收集20名膝关节正常志愿者作为健康组。3组患者/志愿者性别、年龄、身体质量指数比较差异无统计学意义(P>0.05)。术后3、6、12个月,使用Opti_Knee膝关节三维运动测量分析系统对所有患者行步态分析,记录膝关节6个自由度(屈伸角、内外翻角、内外旋角、前后位移、上下位移及内外位移)和运动周期(最大步长、最小步长及步频),将患者数据与健康组数据进行比较。结果健康组志愿者屈伸角为(57.80±3.45)°、内外翻角为(10.54±1.05)°、内外旋角为(13.02±1.66)°、前后位移为(1.44±0.39)cm、上下位移为(0.86±0.20)cm、内外位移为(1.38±0.39)cm,最大步长为(51.24±1.29)cm、最小步长为(45.69±2.28)cm、步频为(12.45±0.47)步/min。与健康组比较,研究组和对照组患者术后3个月屈伸角和内外旋角减小,术后6个月对照组屈伸角减小,差异均有统计学意义(P<0.05);其余各时间点各指标与健康组比较差异均无统计学意义(P>0.05)。研究组组内比较,除术后6、12个月屈伸角和内外旋角大于术后3个月,差异有统计学意义(P<0.05)外,其余各时间点间各指标比较差异均无统计学意义(P>0.05)。研究组与对照组间除术后6个月屈伸角比较差异有统计学意义(P<0.05)外,其余各时间点两组间各指标比较差异均无统计学意义(P>0.05)。结论与常规手术相比,使用基于ADC设计的个性化股骨定位器辅助ACL重建术可帮助患者获得更满意的术后早期运动学疗效,三维运动学
文摘Anterior cruciate ligament(ACL)injury is one of the most common types of sports injuries.People’s need to participate in sports and desire for a high quality of life promotes the continuous development of ACL reconstruction technology.Arthroscopic ACL reconstruction has been recognized as an effective method for the treatment of ACL injuries.This review analyses and summarizes the advantages and limitations of each surgical procedure for arthroscopic ACL reconstruction reported in the relevant literature so as to promote the future development of more relevant techniques.