The aims of this prospective studywere to determine the frequency and composition of catheterization-related cerebral microemboli and to detect cerebralmorphological changes and acute cognitive impairment due to catheterization.

• 本前瞻性研究旨在明确导管术相关脑部微栓塞的发生率和构成，并检测导管术所致脑的形态学改变和急性认知功能损害。