动脉瘤性蛛网膜下腔出血患者虽然大多可以达到临床上的“完全康复”，但部分该类患者却遗留长期的认知功能障碍，程度较轻微，临床不易察觉，可使用神经心理学量表及神经电生理检查对认知功能进行全面检测。目前认为认知功能障碍的严重程度及发生机制可能与蛛网膜下腔出血和早期脑损伤有关。本文对动脉瘤性蛛网膜下腔出血后认知功能障碍的危险因素、可能的机制做一阐述，以期指导临床。%Numerous studies showed that patients after aneurysmal subarachnoid hemorrhage who can achieve clinically"full recovery", but left long-term cognitive dysfunction. Though mild degree, it cannot be detected early in clinic. Those patients can use neuropsychological scales and neural electrophysiological examination to examine cognitive functions. There are opinions that the severity and mechanisms of cognitive dysfunction may be associated with subarachnoid hematoma and early brain injury. This paper summarizes the risk factors and mechanisms of cognitive impairment after aneurysmal subarachnoid hemorrhage.
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