NGHIÊN CỨU XÂY DỰNG MÔ HÌNH CHẤN THƯƠNG TỦY SỐNG BẰNG KẸP CLIP TRÊN THỰC NGHIỆM
Main Article Content
Abstract
Objectives: To establish an experimental model of spinal cord injury (SCI) using the clip compression method in rats. Methods: 16 rats, divided into two groups: sham group (n = 8) and SCI group (n = 8). The SCI model was generated with a compressive force of 70g applied for 60 seconds at the T8 - T10 spinal cord level. Locomotor and sensory parameters were assessed using the Basso-Beattie-Bresnahan (BBB) locomotor scale, Rotarod test, the ladder rung walking test and Hot Plate test. Spinal cord tissues were harvested for histological examination. Results: On days 1, 2, 3, 7, 14, 21, and 28 post-injury, the BBB scores in the SCI group decreased compared to the sham group (p < 0.05). On days 7, 14, 21, and 28 post-injury, the Rotarod performance time in the SCI group decreased compared to the sham group (p < 0.001); the foot fault rate in the SCI group was higher than that in the sham group (p < 0.001); and the response time in the SCI group was longer than that in the sham group (p < 0.001). Histopathological analysis on days 14 and 28 post-injury revealed features of acute spinal cord injury. Conclusion: The SCI model was successfully established using a compressive force of 70g applied for 60 seconds at the T8 - T10 level in rats, similar to the characteristics of moderate to severe clinical SCI.
Article Details
Keywords
Spinal cord injury, Clip compression, Experimental models
References
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