总之，单纯降血压时，并未引起动物脑组织学异常改变，单侧颈动脉阻断合并低血压可以引起同侧脑血流量的减少，从而引起动物严重缺血改变，可以很好地为颈动脉外科提供实验模型。

(本文编辑　张世国)

陕西省自然科学基金资助课题(39338)
作者单位：李世栋（710032 西安第四军医大学口腔医学院）
吕春堂（710032 西安第四军医大学口腔医学院）
杨连甲（710032 西安第四军医大学口腔医学院）

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