CONCLUSION: The major factors of TIA are atherosclerosis, intracranial or extracranial vascular stenosis, and number and quality of carotid artery plaque.

• 结论:TIA的血管因素主要为脑动脉硬化、颅内外血管的狭窄和不同数量及质量的颈动脉斑块,颅内动脉硬化和血管狭窄较颅外发生率更高。