Matrix-induced autologous mesenchymal stem cell implantation versus matrix-induced autologous chondrocyte implantation in the treatment of chondral defects of the knee: a 2-year randomized study

被引:143
作者
Akgun, Isik [1 ]
Unlu, Mehmet C. [2 ]
Erdal, Ozan A. [2 ]
Ogut, Tahir [2 ]
Erturk, Murat [3 ]
Ovali, Ercument [4 ]
Kantarci, Fatih [5 ]
Caliskan, Gurkan [6 ]
Akgun, Yamac [7 ]
机构
[1] Cactus Healthcare, Dept Orthopaed & Traumatol, Istanbul, Turkey
[2] Istanbul Univ, Cerrahpasa Med Fac, Dept Orthoped & Traumatol, TR-34303 Istanbul, Turkey
[3] Karadeniz Tech Univ, Dept Med Microbiol, Trabzon, Turkey
[4] Labcell, Istanbul, Turkey
[5] Istanbul Univ, Cerrahpasa Med Fac, Dept Radiol, Istanbul, Turkey
[6] Kanuni Sultan Suleyman State Hosp, Dept Orthoped & Traumatol, Istanbul, Turkey
[7] Trinity Sch Med, Atlanta, GA USA
关键词
Mesenchymal stem cells; Chondral lesion; Knee; Implantation; ARTICULAR-CARTILAGE DEFECTS; BONE-MARROW; ACCELERATED WEIGHTBEARING; TIBIOFEMORAL JOINT; FEMORAL CONDYLE; ADIPOSE-TISSUE; REPAIR; REHABILITATION; TRANSPLANTATION; INJURY;
D O I
10.1007/s00402-014-2136-z
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
100224 [整形外科学];
摘要
Cell-based strategies that combine in vitro- expanded autologous chondrocytes with matrix scaffolds are currently preferred for full-thickness cartilage lesions of the knee a parts per thousand yen2 cm(2). Although this approach is reasonable, continuing advances in the field of cartilage repair will further expand the options available to improve outcomes. In the present clinical study, we compared the outcomes of matrix-induced autologous mesenchymal stem cell implantation (m-AMI) with matrix-induced autologous chondrocyte implantation (m-ACI) for the treatment of isolated chondral defects of the knee. Prospective, single-site, randomized, single-blind pilot study. Fourteen patients with isolated full-thickness chondral lesions of the knee > 2 cm(2) were randomized into two treatment groups: m-AMI and m-ACI. Outcomes were assessed pre-operatively and 3, 6, 12 and 24 months post-operatively. Clinical evaluations revealed that improvement from pre-operation to 24 months post-operation occurred in both groups (p < 0.05). At all follow-up intervals, m-AMI demonstrated significantly better functional outcomes (motion deficit and straight leg raise strength) than did m-ACI (p < 0.05). At all follow-up intervals, m-AMI demonstrated significantly better subjective sub-scale scores for pain, symptoms, activities of daily living and sport and recreation of the knee injury and osteoarthritis outcome score (KOOS) than did m-ACI (p < 0.05). Additionally, m-AMI demonstrated significantly better (p < 0.05) scores than m-ACI for the quality of life sub-scale of the KOOS and visual analog scale (VAS) severity at the 6-month follow-up. The Tegner activity score and VAS frequency were not significantly different between the two groups. Graft failure was not observed on magnetic resonance imaging at the 24-month follow-up. m-AMI and m-ACI demonstrated very good-to-excellent and good-to-very good infill, respectively, with no adverse effects from the implant, regardless of the treatment. For the treatment of isolated full-thickness chondral lesion of the knee, m-AMI can be used effectively and may potentially accelerate recovery. A larger patient cohort and follow-up supported by histological analyses are necessary to determine long-term outcomes.
引用
收藏
页码:251 / 263
页数:13
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