摘要脑梗死是一个病理过程，是指局部脑组织因血液循环障碍、缺血缺氧而坏死，可致中枢神经系统的器质性病变及功能缺损，这种病变及功能缺损包括认知功能障碍（cognitive function impairment，CFI）。CFI是急性脑梗死患者除肢体功能障碍之外常见的临床表现之一，1年后发病率可达39．5％。
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