【摘要】
目的:分析自体骨软骨移植治疗Hepple Ⅴ型距骨骨软骨损伤(OLT)的中长期疗效。
方法:回顾性分析2016年3月至2017年11月于北京大学第三医院接受自体骨软骨移植治疗的20例Hepple Ⅴ型OLT患者的临床资料。其中男13例,女7例,年龄为18~53 岁,平均(37.7±8.8)岁 。比较患者术前及末次随访时疼痛视觉模拟评分(VAS)、美国足踝关节协会(AOFAS)踝-后足评分和踝关节活动评分(AAS)。记录患者术后行二次关节镜检查国际软骨修复协会(ICRS)评分及末次磁共振成像(MRI)检查软骨修复组织磁共振观察(MOCART)评分 。随访过程中观察患者供区损伤症状,末次随访时采用Lysholm评分评估患者取骨侧膝关节功能。
结果:本组 20 例患者随访60.9~81.9个月,平均(71.3±6.8)个月。末次随访时患者VAS评分、AOFAS踝-后足评分、AAS评分均较术前明显改善(P均<0.001)。末次随访时AOFAS踝-后足评分优16例,良3例,可1例,优良率95.0%(19/20)。20例患者术后均行踝关节MRI检查,末次MRI检查MOCAT评分为(72.5±7.5)分;11例(55.0%)患者术后行二次关节镜检查,ICRS评分为(9.7±0.9)分。6例(30.0%) 患者膝关节取骨区有轻微不适感 。末次随访时患者取骨侧膝关节 VAS 评分为 0.0(0.0,0.0)分,Lysholm 评分为96.5(92.0,99.5)分。
结论:自体骨软骨移植治疗Hepple Ⅴ型OLT的中长期疗效良好,且关节镜和影像学结果满意,是一种安全有效的治疗方式。
【关键词】
距骨骨软骨损伤;Hepple Ⅴ型;自体骨软骨移植;供区损伤
距骨骨软骨损伤(osteochondral lesion of the talus, OLT)是一种累及距骨关节软骨和软骨下骨的踝关节损伤[1]。骨髓刺激术(bone marrow stimulation, BMS)是治疗OLT最经典的术式[2] 。但对于伴有软骨下囊性变的Hepple Ⅴ型OLT,自体骨软骨移植则是最常用的治疗方式[3] 。既往研究已经证实自体骨软骨移植的临床疗效[4] 。然而关于其中长期临床疗效的研究有限,也缺乏结合影像学和关节镜下软骨修复情况的综合评估[5] 。本研究通过临床疗效、影像学评估和关节镜评估进一步明确自体骨软骨移植治疗 Hepple Ⅴ型OLT的临床疗效和供区损伤,并探究影响其疗效的预后因素,为OLT治疗方案的选择提供参考。
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