Results Hypotonia of circulatory system,stenosis or colsure of carotid artery and tiny embolization are the main reasons of CWI.

• 结果体循环低血压、颈动脉狭窄或闭塞和微栓塞是CWI的主要原因。CWI在CT或MRI显示的病灶形态为楔形。