缺血性半影区是指梗塞后围绕在梗塞中心周围的缺血性脑组织,其内电活动中止,但组织结构保持完整。假如再适当增加局部脑血流,组织功能可得以恢复。近年来,缺血性半影区已成为缺血性中风的主要治疗目标。本文就其病理生理、病理组织学和临床意义进行综述。 Ischemic penumbra refers to ischemic brain tissue that surrounds the infarct center after infarction and whose internal electrical activity is discontinued but the tissue structure remains intact. If appropriate to increase the local cerebral blood flow, tissue function can be restored. In recent years, ischemic penumbra has become the main target of ischemic stroke. This article reviews its pathophysiology, histopathology and clinical significance.