目的:双膝关节置换术中随机选择一侧置换髌骨,对侧保留髌骨,对比研究髌骨置换与否对术后临床效果的影响。方法:共入选14例双膝骨关节炎患者,28个膝,均为女性,年龄为53~78岁,平均(66.9±7.8)岁,体重指数为(26.3±1.8)kg/m2。随...目的:双膝关节置换术中随机选择一侧置换髌骨,对侧保留髌骨,对比研究髌骨置换与否对术后临床效果的影响。方法:共入选14例双膝骨关节炎患者,28个膝,均为女性,年龄为53~78岁,平均(66.9±7.8)岁,体重指数为(26.3±1.8)kg/m2。随机分组为拟行左侧或右侧髌骨置换和对侧髌骨保留,术后均获随访,随访时间为3~12个月。随访时记录患者手术前后双膝美国膝关节协会评分(American Knee Society score,KSS)、关节活动度(range of motion,ROM)、术后髌骨倾斜角(patellar tilt angle,PTA)、有无术后膝前痛及髌骨弹响、有无术后膝关节并发症等。结果:术后切口均一期愈合,无感染、松动、髌骨骨折等并发症发生。髌骨置换侧KSS评分由术前的(38.9±22.2)分提高至(92.4±6.7)分,术后较术前KSS增加值为(53.5±20.3)分;保留髌骨侧KSS评分由术前的(38.4±20.5)分提高至(92.1±4.2)分,术后较术前KSS增加为(53.7±21.4)分,两组间KSS评分的增加差异无统计学意义(P=0.98)。髌骨置换侧关节活动度由术前的95.4°±13.5°提高至120.4°±8.9°,术后ROM较术前增加为25.0°±14.5°;保留髌骨侧ROM由术前的92.9°±19.1°增加至120.4°±8.4°,术后较术前ROM增加为27.5°±19.4°,两组间ROM的增加差异也无统计学意义(P=0.70)。术后随访时,患者髌骨置换侧出现膝前痛共3膝(占21.4%),而保留髌骨侧膝前痛共出现2膝(占14.3%),两组间膝前痛的发生率比较差异无统计学意义(P=0.62)。术后髌骨置换侧出现髌骨弹响共3膝(占21.4%),保留髌骨侧3膝(占21.4%),组间比较差异无统计学意义。髌骨置换侧术后PTA为2.6°±2.6°,保留髌骨侧为3.6°±2.9°,两者间差异无统计学意义(P=0.36)。结论:全膝关节置换术中,对于髌骨关节面轻中度破坏的骨关节炎患者,髌骨置换较髌骨保留在术后膝前痛、髌骨弹响的发生率、术后关节功能改善及髌股轨迹等方面并无明显优势。展开更多
目的：采集终末期骨关节炎患者接受全膝关节置换术前的功能全面评价指标,并与轻度骨关节炎患者进行比较,评价疼痛、患者自我报告量表、基于表现的躯体功能以及实际日常活动水平之间的相关性。方法：前瞻性研究设计,获取87例因终末期骨...目的：采集终末期骨关节炎患者接受全膝关节置换术前的功能全面评价指标,并与轻度骨关节炎患者进行比较,评价疼痛、患者自我报告量表、基于表现的躯体功能以及实际日常活动水平之间的相关性。方法：前瞻性研究设计,获取87例因终末期骨关节炎而接受单侧全膝关节置换术患者术前的全面躯体功能参数,并招募年龄接近的60例轻度骨关节炎患者[Kellgren-Lawrence（K-L）分级0-2级]采集相同的躯体功能参数。所采集的数据包括患者的年龄、身高、体重、30秒座椅站立测试（30 s chair stand test,30-CST）、40米快速步行测试（40 m fast-paced walk test,40-FPWT）、12级爬楼梯测试（12 steps stair climb test,12-SCT）、3米起立行走测试（timed up＆go test,TUG）、6分钟步行测试（6 minute walk test,6-MWT）、美国西部Ontario和Mc Master大学骨关节炎指数评分（The Western Ontario and Mc Master Universities Osteoarthritis Index,WOMAC）、美国膝关节协会评分（knee society score,KSS）、可视化疼痛评分（visual analogue scale,VAS）以及连续7 d的每日步数。使用SPSS 22.0软件进行统计学分析,首先对各项数据的观察值进行描述性报告,使用Kolmogorv-Smirnov检验每一变量是否符合正态分布,结果两组的每一变量均不符合正态分布,因而采用非参数Mann-Whitney检验两组间差异,应用Spearman相关分析评估各项参数之间的相关性。结果：轻度骨关节炎组患者的VAS评分、WOMAC评分、KSS评分、日均步数以及各项基于表现的躯体功能测试结果均优于终末期骨关节炎组患者,两组间差异有统计学意义（P〈0.05）。轻度骨关节炎组内,各项躯体功能测试均与各项自我报告量表无显著相关性或有较弱相关性;终末期骨关节炎组内,各项躯体功能测试与各项自我报告量表之间有着不同强度的相关性。结论：描述了多项躯体功能参数在中国轻度骨关节炎与终末期骨关节炎患者中的应用,基于表现的躯体功能、实际日常活动水平、患者自我报告量表以及疼痛评分之间并不一定有较好的相关性,需要对骨关节炎患者进行更全面地评估并制定相应的全膝关节置换术手术决策标准。展开更多
Osteoarthritis is mainly caused by the degenerative changes of cartilage and cartilage extracellular matrix,while Aggrecanases degradate Proteoglycans which are the major components of cartilage.This review includes t...Osteoarthritis is mainly caused by the degenerative changes of cartilage and cartilage extracellular matrix,while Aggrecanases degradate Proteoglycans which are the major components of cartilage.This review includes three aspects:(1) We have concluded the major enzymes(ADAMTS-4 and ADAMTS-5) which regulate the metabolism of cartilage extracellular matrix.Meanwhile,we have summarized the structure of aggrecanases(ADAMTS-4 and ADAMTS-5) and introduced the function of each regional structure;(2) We have concluded the way cytokines and glycosaminoglycans regulate the metabolism of aggrecanases,and discussed the regulation and control principle of cytokines and glycosaminoglycan;(3) We have summarized the majority of inhibitors to the aggrecanases,introduced the endogenic inhibitors,and put our emphasis on the extrinsic inhibitors(chelating agents,polypeptides and so on).Through deeper research on the enzymes,it will help us further understand the pathogenesis of osteoarthritis,and open up new avenues to clinical treatment.Abstract:SUMM ARY Osteoarthritis is mainly caused by the degenerative changes of cartilage and cartilage extra-cellular matrix,while Aggrecanases degradate Proteoglycanswhich are the major components of cartilage.This review includes three aspects:(1) W e have concluded the major enzymes(ADAMTS-4 and ADAMTS-5) which regulate the metabolism of cartilage extracellular matrix.Meanwhile,we have sum-marized the structure of aggrecanases(ADAMTS-4 and ADAMTS-5) and introduced the function of each regional structure;(2) W e have concluded the way cytokines and glycosam inoglycans regulate the metab-olism of aggrecanases,and d iscussed the regulation and control principle of cytokines and glycosam inogly-can;(3) W e have summarized the majority of inhibitors to the aggrecanases,introduced the endogenic inhibitors,and put our emphasis on the extrinsic inhibitors(chelating agents,polypeptides and so on).Through deeper research on the enzymes,it will help us further understand the pathogenesis of osteoar-thritis,and open up new avenues to clinical treatment.展开更多
文摘目的:双膝关节置换术中随机选择一侧置换髌骨,对侧保留髌骨,对比研究髌骨置换与否对术后临床效果的影响。方法:共入选14例双膝骨关节炎患者,28个膝,均为女性,年龄为53~78岁,平均(66.9±7.8)岁,体重指数为(26.3±1.8)kg/m2。随机分组为拟行左侧或右侧髌骨置换和对侧髌骨保留,术后均获随访,随访时间为3~12个月。随访时记录患者手术前后双膝美国膝关节协会评分(American Knee Society score,KSS)、关节活动度(range of motion,ROM)、术后髌骨倾斜角(patellar tilt angle,PTA)、有无术后膝前痛及髌骨弹响、有无术后膝关节并发症等。结果:术后切口均一期愈合,无感染、松动、髌骨骨折等并发症发生。髌骨置换侧KSS评分由术前的(38.9±22.2)分提高至(92.4±6.7)分,术后较术前KSS增加值为(53.5±20.3)分;保留髌骨侧KSS评分由术前的(38.4±20.5)分提高至(92.1±4.2)分,术后较术前KSS增加为(53.7±21.4)分,两组间KSS评分的增加差异无统计学意义(P=0.98)。髌骨置换侧关节活动度由术前的95.4°±13.5°提高至120.4°±8.9°,术后ROM较术前增加为25.0°±14.5°;保留髌骨侧ROM由术前的92.9°±19.1°增加至120.4°±8.4°,术后较术前ROM增加为27.5°±19.4°,两组间ROM的增加差异也无统计学意义(P=0.70)。术后随访时,患者髌骨置换侧出现膝前痛共3膝(占21.4%),而保留髌骨侧膝前痛共出现2膝(占14.3%),两组间膝前痛的发生率比较差异无统计学意义(P=0.62)。术后髌骨置换侧出现髌骨弹响共3膝(占21.4%),保留髌骨侧3膝(占21.4%),组间比较差异无统计学意义。髌骨置换侧术后PTA为2.6°±2.6°,保留髌骨侧为3.6°±2.9°,两者间差异无统计学意义(P=0.36)。结论:全膝关节置换术中,对于髌骨关节面轻中度破坏的骨关节炎患者,髌骨置换较髌骨保留在术后膝前痛、髌骨弹响的发生率、术后关节功能改善及髌股轨迹等方面并无明显优势。
文摘目的：采集终末期骨关节炎患者接受全膝关节置换术前的功能全面评价指标,并与轻度骨关节炎患者进行比较,评价疼痛、患者自我报告量表、基于表现的躯体功能以及实际日常活动水平之间的相关性。方法：前瞻性研究设计,获取87例因终末期骨关节炎而接受单侧全膝关节置换术患者术前的全面躯体功能参数,并招募年龄接近的60例轻度骨关节炎患者[Kellgren-Lawrence（K-L）分级0-2级]采集相同的躯体功能参数。所采集的数据包括患者的年龄、身高、体重、30秒座椅站立测试（30 s chair stand test,30-CST）、40米快速步行测试（40 m fast-paced walk test,40-FPWT）、12级爬楼梯测试（12 steps stair climb test,12-SCT）、3米起立行走测试（timed up＆go test,TUG）、6分钟步行测试（6 minute walk test,6-MWT）、美国西部Ontario和Mc Master大学骨关节炎指数评分（The Western Ontario and Mc Master Universities Osteoarthritis Index,WOMAC）、美国膝关节协会评分（knee society score,KSS）、可视化疼痛评分（visual analogue scale,VAS）以及连续7 d的每日步数。使用SPSS 22.0软件进行统计学分析,首先对各项数据的观察值进行描述性报告,使用Kolmogorv-Smirnov检验每一变量是否符合正态分布,结果两组的每一变量均不符合正态分布,因而采用非参数Mann-Whitney检验两组间差异,应用Spearman相关分析评估各项参数之间的相关性。结果：轻度骨关节炎组患者的VAS评分、WOMAC评分、KSS评分、日均步数以及各项基于表现的躯体功能测试结果均优于终末期骨关节炎组患者,两组间差异有统计学意义（P〈0.05）。轻度骨关节炎组内,各项躯体功能测试均与各项自我报告量表无显著相关性或有较弱相关性;终末期骨关节炎组内,各项躯体功能测试与各项自我报告量表之间有着不同强度的相关性。结论：描述了多项躯体功能参数在中国轻度骨关节炎与终末期骨关节炎患者中的应用,基于表现的躯体功能、实际日常活动水平、患者自我报告量表以及疼痛评分之间并不一定有较好的相关性,需要对骨关节炎患者进行更全面地评估并制定相应的全膝关节置换术手术决策标准。
文摘Osteoarthritis is mainly caused by the degenerative changes of cartilage and cartilage extracellular matrix,while Aggrecanases degradate Proteoglycans which are the major components of cartilage.This review includes three aspects:(1) We have concluded the major enzymes(ADAMTS-4 and ADAMTS-5) which regulate the metabolism of cartilage extracellular matrix.Meanwhile,we have summarized the structure of aggrecanases(ADAMTS-4 and ADAMTS-5) and introduced the function of each regional structure;(2) We have concluded the way cytokines and glycosaminoglycans regulate the metabolism of aggrecanases,and discussed the regulation and control principle of cytokines and glycosaminoglycan;(3) We have summarized the majority of inhibitors to the aggrecanases,introduced the endogenic inhibitors,and put our emphasis on the extrinsic inhibitors(chelating agents,polypeptides and so on).Through deeper research on the enzymes,it will help us further understand the pathogenesis of osteoarthritis,and open up new avenues to clinical treatment.Abstract:SUMM ARY Osteoarthritis is mainly caused by the degenerative changes of cartilage and cartilage extra-cellular matrix,while Aggrecanases degradate Proteoglycanswhich are the major components of cartilage.This review includes three aspects:(1) W e have concluded the major enzymes(ADAMTS-4 and ADAMTS-5) which regulate the metabolism of cartilage extracellular matrix.Meanwhile,we have sum-marized the structure of aggrecanases(ADAMTS-4 and ADAMTS-5) and introduced the function of each regional structure;(2) W e have concluded the way cytokines and glycosam inoglycans regulate the metab-olism of aggrecanases,and d iscussed the regulation and control principle of cytokines and glycosam inogly-can;(3) W e have summarized the majority of inhibitors to the aggrecanases,introduced the endogenic inhibitors,and put our emphasis on the extrinsic inhibitors(chelating agents,polypeptides and so on).Through deeper research on the enzymes,it will help us further understand the pathogenesis of osteoar-thritis,and open up new avenues to clinical treatment.
