The pathogenesis of post stroke cognitive impairment ( PSCI ), which is the most common type of VCI , is not clear . So it is difficult to diagnose and treatment early .
卒中后认知障碍（poststrokecognitiveimpairment，PSCI）作为其最常见的一类，其发生机制仍不明确，导致其早期诊断及治疗的困难性。
psci