BACKGROUND Unicompartmental knee arthroplasty(UKA)has great advantages in the treatment of unicompartmental knee osteoarthritis,but its revision rate is higher than that of total knee arthroplasty.AIM To summarize and...BACKGROUND Unicompartmental knee arthroplasty(UKA)has great advantages in the treatment of unicompartmental knee osteoarthritis,but its revision rate is higher than that of total knee arthroplasty.AIM To summarize and analyse the causes of revision after UKA.METHODS This is a retrospective case series study in which the reasons for the first revision after UKA are summarized.We analysed the clinical symptoms,medical histories,laboratory test results,imaging examination results and treatment processes of the patients who underwent revision and summarized the reasons for primary revision after UKA.RESULTS A total of 13 patients,including 3 males and 10 females,underwent revision surgery after UKA.The average age of the included patients was 67.62 years.The prosthesis was used for 3 d to 72 months.The main reasons for revision after UKA were improper suturing of the surgical opening(1 patient),osteophytes(2 patients),intra-articular loose bodies(2 patients),tibial prosthesis loosening(2 patients),rheumatoid arthritis(1 patient),gasket dislocation(3 patients),anterior cruciate ligament injury(1 patient),and medial collateral ligament injury with residual bone cement(1 patient).CONCLUSION The causes of primary revision after UKA were gasket dislocation,osteophytes,intra-articular loose bodies and tibial prosthesis loosening.Avoidance of these factors may greatly reduce the rate of revision after UKA,improve patient satisfaction and reduce medical burden.展开更多
重新界定了栒子属(Cotoneaster)高山组(Sect. Alpigeni Hurusawa)黄杨叶系(Series Buxifolii Klotz)的范围,仅含4种植物,即C. buxifolius Wall. ex Lindl., C. delavayanus Klotz, C. insolitus Klotz和C. poluninii Klotz。将原作者建...重新界定了栒子属(Cotoneaster)高山组(Sect. Alpigeni Hurusawa)黄杨叶系(Series Buxifolii Klotz)的范围,仅含4种植物,即C. buxifolius Wall. ex Lindl., C. delavayanus Klotz, C. insolitus Klotz和C. poluninii Klotz。将原作者建立该系时包含的5种,即C. argenteus Klotz ; C. brevirameus Rehd. & Wils.; C. hodjingensis Klotz; C. lijiangensis Klotz; C. rockii Klotz,被原作者置另一系的C. marginatus Lindl. ex Schlecht. 以及被俞德浚教授等误认为红花栒子小叶变种C. rubens var. miniatus Yu,一共7个名称归并为黄杨叶栒子(C. buxifolius Lindl.)的同物异名;又把C. buxifolius f. vellaea Franch.和C. astrophores J. Fryer et E. C. Nelson归并为绒毛细叶栒子C. poluninii Klotz同一种。经修订后的黄杨叶系在栒子属高山组中以普遍直立的习性,叶下表面、萼片和萼筒密被绒毛和常具2个小核等特征组成相对自然的一群。展开更多
基金Supported by National Natural Science Foundation of China,No.82004386and Guangdong Basic and Applied Basic Research Foundation,No.2022A1515011700.
文摘BACKGROUND Unicompartmental knee arthroplasty(UKA)has great advantages in the treatment of unicompartmental knee osteoarthritis,but its revision rate is higher than that of total knee arthroplasty.AIM To summarize and analyse the causes of revision after UKA.METHODS This is a retrospective case series study in which the reasons for the first revision after UKA are summarized.We analysed the clinical symptoms,medical histories,laboratory test results,imaging examination results and treatment processes of the patients who underwent revision and summarized the reasons for primary revision after UKA.RESULTS A total of 13 patients,including 3 males and 10 females,underwent revision surgery after UKA.The average age of the included patients was 67.62 years.The prosthesis was used for 3 d to 72 months.The main reasons for revision after UKA were improper suturing of the surgical opening(1 patient),osteophytes(2 patients),intra-articular loose bodies(2 patients),tibial prosthesis loosening(2 patients),rheumatoid arthritis(1 patient),gasket dislocation(3 patients),anterior cruciate ligament injury(1 patient),and medial collateral ligament injury with residual bone cement(1 patient).CONCLUSION The causes of primary revision after UKA were gasket dislocation,osteophytes,intra-articular loose bodies and tibial prosthesis loosening.Avoidance of these factors may greatly reduce the rate of revision after UKA,improve patient satisfaction and reduce medical burden.
文摘重新界定了栒子属(Cotoneaster)高山组(Sect. Alpigeni Hurusawa)黄杨叶系(Series Buxifolii Klotz)的范围,仅含4种植物,即C. buxifolius Wall. ex Lindl., C. delavayanus Klotz, C. insolitus Klotz和C. poluninii Klotz。将原作者建立该系时包含的5种,即C. argenteus Klotz ; C. brevirameus Rehd. & Wils.; C. hodjingensis Klotz; C. lijiangensis Klotz; C. rockii Klotz,被原作者置另一系的C. marginatus Lindl. ex Schlecht. 以及被俞德浚教授等误认为红花栒子小叶变种C. rubens var. miniatus Yu,一共7个名称归并为黄杨叶栒子(C. buxifolius Lindl.)的同物异名;又把C. buxifolius f. vellaea Franch.和C. astrophores J. Fryer et E. C. Nelson归并为绒毛细叶栒子C. poluninii Klotz同一种。经修订后的黄杨叶系在栒子属高山组中以普遍直立的习性,叶下表面、萼片和萼筒密被绒毛和常具2个小核等特征组成相对自然的一群。
