BACKGROUND Surgical treatment of knee osteoarthritis(KOA)complicated by extra-articular deformity has always been controversial regardless of whether it is simultaneous or staged.Simultaneous total knee arthroplasty(T...BACKGROUND Surgical treatment of knee osteoarthritis(KOA)complicated by extra-articular deformity has always been controversial regardless of whether it is simultaneous or staged.Simultaneous total knee arthroplasty(TKA)combined with supracondylar osteotomy without plate for treatment of KOA complicated by femoral varus deformity has not been reported in the literature.CASE SUMMARY A 53-year-old Chinese woman complained of left knee pain for 6 years that worsened for 4 mo during her visit on April 3,2020,accompanied by instability in walking,which seriously affected quality of life.According to her medical history and preoperative imaging,the patient was diagnosed with left KOA with varus deformity.We used the angular center of rotation principle for osteotomy of the femur deformity and placed a poststabilized femur prosthesis into the knee joint.At the same time,a 13 mm×130 mm femur extension rod was used instead of a steel plate to fix the end of the femur osteotomy,reducing the possible complications caused by steel plate implantation and reducing the economic burden on patients.The operation successfully solved two major problems of KOA and varus deformity,and the clinical and imaging evaluation of postoperative followup were satisfactory.CONCLUSION TKA and supracondylar femoral osteotomy can be used for simultaneous KOA treatment and deformity correction.展开更多
BACKGROUND There appears to be a close relationship between deformities at the knee joint and at the hindfoot in patients with knee osteoarthritis(OA).Despite this intrinsic link,there is a dearth of studies investiga...BACKGROUND There appears to be a close relationship between deformities at the knee joint and at the hindfoot in patients with knee osteoarthritis(OA).Despite this intrinsic link,there is a dearth of studies investigating alterations in hindfoot alignment following total knee arthroplasty(TKA)in patients with knee OA.AIM To evaluate changes in alignment of the hindfoot following TKA,foot and ankle clinical outcomes in terms of subjective clinical scoring tools following surgical intervention,and to analyse the level of evidence(LOE)and quality of evidence(QOE)of the included studies.METHODS MEDLINE,EMBASE and Cochrane Library databases were systematically reviewed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.Studies reporting changes in the postoperative alignment of the hindfoot following TKA were included.The level and QOE were recorded and assessed.RESULTS Eleven studies with a total of 1142 patients(1358 knees)met the inclusion/exclusion criteria.Six studies were of LOE II and 5 studies were of LOE III.Patients with preoperative varus knee deformity and valgus hindfoot deformity demonstrated improvement in hindfoot alignment post TKA.Patients with preoperative varus knee deformity and varus hindfoot deformity demonstrated no improvement in hindfoot alignment following TKA.Twelve different radiographic parameters were used to measure the alignment of the hindfoot across the included studies,with the tibio-calcaneal angle most frequently utilised(27.3%).CONCLUSION This systematic review demonstrated that the hindfoot may display compensatory changes in alignment following TKA in patients with knee OA.However,the marked heterogeneity between the included studies and poor QOE limits any meaningful cross sectional comparisons between studies.Further,well designed studies are necessary to determine the changes and outcomes of hindfoot alignment following TKA.展开更多
目的探讨髁限制性膝关节假体在膝骨关节炎严重内翻畸形合并胫骨平台内侧骨缺损行全膝关节置换术中的应用及疗效观察。方法回顾分析2008年1月至2011年1月12例骨性关节炎严重膝内翻畸形合并胫骨平台内侧骨缺损行髁限制性膝关节假体全膝关...目的探讨髁限制性膝关节假体在膝骨关节炎严重内翻畸形合并胫骨平台内侧骨缺损行全膝关节置换术中的应用及疗效观察。方法回顾分析2008年1月至2011年1月12例骨性关节炎严重膝内翻畸形合并胫骨平台内侧骨缺损行髁限制性膝关节假体全膝关节置换术患者资料,术前负重位膝内翻畸形平均34°,胫骨平台内侧骨缺损为非包容性,依据AORI分型为Ⅱ、Ⅲ型,采用美国膝关节学会评分(knee society score,KSS)系统评估膝关节功能,包括膝评分和膝功能评分。结果本组均获随访,随访6~18个月,平均13个月,KSS膝评分和膝功能评分从术前(19.5±4.2)分、(16.2±5.4)分提高到术后(87.7±5.6)分、(85.4±8.3)分,分析术前及术后KSS膝评分及膝功能评分的差异有统计学意义。结论髁限制性膝关节假体全膝关节置换是治疗膝骨关节炎严重内翻畸形合并胫骨平台内侧骨缺损的有效方法,术中采取适度的软组织松解及正确的截骨,针对胫骨平台内侧骨缺损选用组合式金属垫块及假体延长柄,适度增加关节的限制性,可以转移力学负荷,增加假体的稳定性,最终获得良好效果。展开更多
文摘BACKGROUND Surgical treatment of knee osteoarthritis(KOA)complicated by extra-articular deformity has always been controversial regardless of whether it is simultaneous or staged.Simultaneous total knee arthroplasty(TKA)combined with supracondylar osteotomy without plate for treatment of KOA complicated by femoral varus deformity has not been reported in the literature.CASE SUMMARY A 53-year-old Chinese woman complained of left knee pain for 6 years that worsened for 4 mo during her visit on April 3,2020,accompanied by instability in walking,which seriously affected quality of life.According to her medical history and preoperative imaging,the patient was diagnosed with left KOA with varus deformity.We used the angular center of rotation principle for osteotomy of the femur deformity and placed a poststabilized femur prosthesis into the knee joint.At the same time,a 13 mm×130 mm femur extension rod was used instead of a steel plate to fix the end of the femur osteotomy,reducing the possible complications caused by steel plate implantation and reducing the economic burden on patients.The operation successfully solved two major problems of KOA and varus deformity,and the clinical and imaging evaluation of postoperative followup were satisfactory.CONCLUSION TKA and supracondylar femoral osteotomy can be used for simultaneous KOA treatment and deformity correction.
文摘BACKGROUND There appears to be a close relationship between deformities at the knee joint and at the hindfoot in patients with knee osteoarthritis(OA).Despite this intrinsic link,there is a dearth of studies investigating alterations in hindfoot alignment following total knee arthroplasty(TKA)in patients with knee OA.AIM To evaluate changes in alignment of the hindfoot following TKA,foot and ankle clinical outcomes in terms of subjective clinical scoring tools following surgical intervention,and to analyse the level of evidence(LOE)and quality of evidence(QOE)of the included studies.METHODS MEDLINE,EMBASE and Cochrane Library databases were systematically reviewed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.Studies reporting changes in the postoperative alignment of the hindfoot following TKA were included.The level and QOE were recorded and assessed.RESULTS Eleven studies with a total of 1142 patients(1358 knees)met the inclusion/exclusion criteria.Six studies were of LOE II and 5 studies were of LOE III.Patients with preoperative varus knee deformity and valgus hindfoot deformity demonstrated improvement in hindfoot alignment post TKA.Patients with preoperative varus knee deformity and varus hindfoot deformity demonstrated no improvement in hindfoot alignment following TKA.Twelve different radiographic parameters were used to measure the alignment of the hindfoot across the included studies,with the tibio-calcaneal angle most frequently utilised(27.3%).CONCLUSION This systematic review demonstrated that the hindfoot may display compensatory changes in alignment following TKA in patients with knee OA.However,the marked heterogeneity between the included studies and poor QOE limits any meaningful cross sectional comparisons between studies.Further,well designed studies are necessary to determine the changes and outcomes of hindfoot alignment following TKA.
文摘目的探讨髁限制性膝关节假体在膝骨关节炎严重内翻畸形合并胫骨平台内侧骨缺损行全膝关节置换术中的应用及疗效观察。方法回顾分析2008年1月至2011年1月12例骨性关节炎严重膝内翻畸形合并胫骨平台内侧骨缺损行髁限制性膝关节假体全膝关节置换术患者资料,术前负重位膝内翻畸形平均34°,胫骨平台内侧骨缺损为非包容性,依据AORI分型为Ⅱ、Ⅲ型,采用美国膝关节学会评分(knee society score,KSS)系统评估膝关节功能,包括膝评分和膝功能评分。结果本组均获随访,随访6~18个月,平均13个月,KSS膝评分和膝功能评分从术前(19.5±4.2)分、(16.2±5.4)分提高到术后(87.7±5.6)分、(85.4±8.3)分,分析术前及术后KSS膝评分及膝功能评分的差异有统计学意义。结论髁限制性膝关节假体全膝关节置换是治疗膝骨关节炎严重内翻畸形合并胫骨平台内侧骨缺损的有效方法,术中采取适度的软组织松解及正确的截骨,针对胫骨平台内侧骨缺损选用组合式金属垫块及假体延长柄,适度增加关节的限制性,可以转移力学负荷,增加假体的稳定性,最终获得良好效果。