토끼의 실험적 슬관절 연골 손상에서 자가 혈액 주입의 효과
The Response of the Injured Articular Cartilage of Rabbit Knee after Injection of Autologous Blood
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Abstract
Objective: To evaluate the effects of proliferant by injecting blood into the articular cartilage defect. Method: The patella of rabbits were dislocated laterally and 2 mm circular and 2 mm depth full-thickness defect was made in the articular cartilage. We injected 0.2 cc autologous blood to the right defect and normal saline to the left one at 1 week after operation for six times with a 1 week interval. After injection for six weeks, the articular cartilage defect were obtained and stained with H-E and S-100. Results: The surface of the saline-injected group was easily distinguishable from the surrounding articular cartilage. But the blood-injected group had similar appearance to the surrounding cartilage, with the margin of the defect barely discerptible. Strong S-100 stained immune cartilage cells were observed in the blood-injected group. Conclusion: The repairing process of the injured articular cartilage using autologous blood was shown to be much better than that of saline-injected group although the observation period was short and the number of animal was small. So we found that autologous blood effectively repaired osteochondral defects.
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