Methods: SD rats were subjected to incomplete spinal cord injury (SCI) with modified Allen method.

• 方法 :采用改良Allen打击法致SD大鼠T8脊髓损伤 ,分别于术前及术后 3天用原子吸收分光光度计测定脊髓组织中Na+ 、K+ 、Ca2 + 、Mg2 + 的含量。