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腔隙性脑梗塞是由深部小血管闭塞引起的脑部缺血性损害。腔隙主要位于基底节、丘脑、内囊及桥脑等。高血压动脉硬化及糖尿病是腔隙梗塞最主要的危险因素。腔隙梗塞与痴呆（血管性痴呆）有着密切的关系，腔隙梗塞的演变终将导致智能的衰退，并成为血管性痴呆的最常见病因。本文就腔隙性脑梗塞与痴呆的关系进行初步探讨。
Lacunar infarction is a cerebral ischemic injury caused by occlusion of deep small blood vessels. The lacuna is mainly located in the basal ganglia, thalamus, internal capsule and pons and so on. Hypertensive arteriosclerosis and diabetes are the most important risk factors of lacunar infarction. Lacunar infarct has a close relationship with dementia (vascular dementia) and the evolution of lacunar infarcts eventually leads to an intelligent decline and the most common cause of vascular dementia. This article lacks the relationship between lacunar infarction and dementia.