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3D打印技术辅助人工全膝关节置换术治疗合并关节外畸形的膝骨关节炎
Effectiveness of total knee arthroplasty using three-dimensional printing technology for knee osteoarthritis accompanied with extra-articular deformity

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3D打印技术辅助人工全膝关节置换术治疗合并关节外畸形....pdf (2.357Mb)
Date
2017
Author
许志庆
王武炼
庄至坤
张怡元
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  • 医学院-已发表论文 [2567]
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Abstract
目的探讨3D打印技术辅助人工全膝关节置换术(total knee arthroplasty,TKA)治疗合并关节外畸形的膝骨关节炎(knee; osteoarthritis,KOA)的临床疗效。方法2013年3月2015年12月,收治15例(18膝)合并关节外畸形的KOA患者。男6例(6; 膝),女9例(12膝);年龄55~70岁,平均60.2岁;病程7~15年,平均10.8年。单膝12例,双膝3例。膝关节学会评分系统(KSS)临床; 评分为(57.441.06)分,功能评分为(60.881.26)分。膝关节活动度为(72.220.18)°。下肢力线偏移(18.890.92)°; 。合并股骨侧畸形8例(10膝),胫骨侧畸形5例(5膝),股骨侧及胫骨侧畸形2例(3膝)。术前3D打印骨骼模型、截骨导航模板并设计手术方案,选择合; 适的膝关节假体后实施TKA。结果手术时间65~100 min,平均75.6 min;术中出血量50~150 mL,平均90.2; mL。术后均未出现切口愈合不良、感染、血栓等并发症。患者均获随访,随访时间12~30个月,平均22个月。末次随访时,X线片示假体位置均良好,未发; 现松动、下沉;下肢力线偏移(2.000.29)°,与术前比较差异有统计学意义(t=13.120,P=0.007);KSS临床评分为(87.500; .88)分、功能评分为(81.941.41)分,与术前比较差异有统计学意义(t=27.553,P=0.000;t=35.551,P=0.000); ;膝关节活动度为(101.941.42)°,与术前比较差异有统计学意义(t=31.633,P=0.000)。结论对于合并关节外畸形的KOA,采用; 3D打印技术辅助TKA,可达到个体化治疗、降低手术难度,有效矫正畸形,恢复患者膝关节功能的目的。
 
Objective To evaluate the effectiveness of total knee arthroplasty (TKA); using three-dimensional (3D) printing technology for knee osteoarthritis; (KOA) accompanied with extra-articular deformity. Methods Between March; 2013 and December 2015, 15 patients (18 knees) with extra-articular; deformity and KOA underwent TKA. There were 6 males (6 knees) and 9; females (12 knees), aged 55-70 years (mean, 60.2 years). The mean; disease duration was 10.8 years (range, 7-15 years). The unilateral knee; was involved in 12 cases and bilateral knees in 3 cases. The clinical; score was 57.441.06 and the functional score was 60.881.26 of Knee; Society Score (KSS). The range of motion of the knee joint was; (72.220.18)°. The deviation of mechanical axis of lower limb was; (18.890.92)° preoperatively. There were 8 cases (10 knees) with; extra-articular femoral deformity, 5 cases (5 knees) with; extra-articular tibial deformity, and 2 cases (3 knees) with; extra-articular femoral and tibial deformities. Bone models and the; navigation templates were printed and the operation plans were designed; using 3D printing technology. The right knee joint prostheses were; chosen. Results The operation time was 65-100 minutes (mean, 75.6; minutes). The bleeding volume was 50-150 mL (mean, 90.2 mL). There was; no poor incision healing, infection, or deep venous thrombosis after; operation. All patients were followed up 12- 30 months (mean, 22; months). Prostheses were located in the right place, and no sign of; loosening or subsidence was observed by X-ray examination. At last; follow-up, the deviation of mechanical axis of lower limb was; (2.000.29)°, showing significant difference when compared with; preoperative one (t=13.120, P=0.007). The KSS clinical score was; 87.500.88 and function score was 81.941.41, showing significant; differences when compared with preoperative ones (t=27.553, P=0.000;; t=35.551, P=0.000). The range of motion of knee was (101.941.42)°,; showing significant difference when compared with preoperative one; (t=31.633, P=0.000). Conclusion For KOA accompanied with extra-articular; deformity, TKA using 3D printing technology has advantages such as; individualized treatment, reducing the difficulty of operation, and; achieving the satisfactory function.
 
Citation
中国修复重建外科杂志,2017,(8):913-917
URI
https://dspace.xmu.edu.cn/handle/2288/166194

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