These results demonstrate that injury is produced not only by particulate obstruction of the cerebral microvasculature, but also by toxicity of the carrier or steroid (methylprednisolone).

• 这些结果表明损伤不仅由于大脑微血管的微粒阻塞，也可能由于载体或类固醇(甲泼尼龙)的毒性引起。