[1]李忠,杨柳,戴刚,等.关节镜下半月板部分切除制备骨关节炎动物模型[J].第三军医大学学报,2007,29(10):919-921.
 LI Zhong,YANG Liu,DAI Gang,et al.Establishment of animal models of bilateral knee joint osteoarthritis by arthroscopy[J].J Third Mil Med Univ,2007,29(10):919-921.
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关节镜下半月板部分切除制备骨关节炎动物模型
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《第三军医大学学报》[ISSN:1000-5404/CN:51-1095/R]

卷:
29卷
期数:
2007年第10期
页码:
919-921
栏目:
论著
出版日期:
2007-05-30

文章信息/Info

Title:
Establishment of animal models of bilateral knee joint osteoarthritis by arthroscopy
作者:
李忠杨柳戴刚陈光兴鲁晓波阳运康张卫东张洪鑫王晓宇
第三军医大学西南医院关节外科中心;泸州医学院附属医院骨科
Author(s):
LI Zhong YANG Liu DAI Gang CHEN Guang-xing LU Xiao-bo YANG Yun-kang ZHANG Wei-dong ZHANG Hong-xin WANG Xiao-yu
Centre for Joint Surgery, Southwest Hospital, Third Military Medical University, Chongqing 400038, Department of Bone and Joint, The Affiliated Hospital of Luzhou Medical College, Luzhou 646000, China
关键词:
关节镜骨关节炎动物模型磁共振
Keywords:
arthroscopy osteoarthritis animal model magnetic resonance imaging
分类号:
R-322;R684.3;R687.4
文献标志码:
A
摘要:
目的    探讨经关节镜建立猪双膝骨关节炎动物模型及用磁共振成像(magnetic resonance imaging, MRI)监测骨关节炎骨软骨损害的有效性和可行性。    方法    4只小型猪经关节镜切除双膝外侧部分半月板,术后12周,行大体、组织学和MRI观察与切除半月板相对股骨髁的骨软骨变化。    结果    大体观察结果显示,局限性软骨表面纤维化,股骨髁间切迹骨赘形成;组织学检测结果显示,软骨细胞数量和蛋白多糖含量减少、成簇排列细胞数量增加;MRI检查结果显示,软骨厚度变薄和骨软骨信号强度改变。    结论    经关节镜半月板部分切除能有效建立猪双膝关节骨关节炎动物模型,MRI能灵敏地监测到骨关节炎动物模型的骨软骨变化。
Abstract:
Objective    To explore the effectiveness and the feasibility of establishment of osteoarthritis animal model by arthroscopy and monitor the osteoarthritis lesion of bone and cartilage by magnetic resonance imaging (MRI) in bilateral knee joints of mini-pigs.     Methods    Bilateral partial menisci resections were performed on four mini-pigs (8 joints) by arthroscopy. Changes of bone and cartilage contacted with the resected menisci were analyzed by gross observation, histology, and MRI at 12 weeks after surgery.     Results    Gross observation showed focal fibrillation on articular cartilage surfaces and significant osteophyte formation at lateral intercondylar notches of the distal femur. Histology revealed the loss of cellularity and proteoglycan and increase in the number of clustering-arrayed chondrocytes. MRI showed the cartilage thickness was decreased and signal intensity of bone and cartilage changed.     Conclusion    Osteoarthritis animal models in bilateral knee joints of mini-pigs can be established effectively by partial meniscectomy under arthroscope. Changes of bone and cartilage of osteoarthritis animal models can be monitored sensitively by MRI.

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更新日期/Last Update: 2008-10-24