Quantitative evaluation of cerebral blood flow by XeCT in stenting angioplasty for carotid artery

Li Qun Jiao, Shen Mao Li, Meng Li, Zhong Rong Miao, Feng Shui Zhu, Xun Ming Ji, Xiao Hong Qin, Qin Bing Song, Yan Ma, Feng Ling

Research output: Contribution to journalArticlepeer-review


Objective: To evaluate the hemodynamic characteristics of severe carotid artery stenosis and curative effect of stent angioplasty through XeCT. Methods: From April 2006 to November 2006, 13 patients with severe carotid artery stenoses underwent stent angioplasty in our hospital, including 11 male and 2 females, in an average age of 57.31 ± 6.12. All patients underwent XeCT examination to evaluate the quantitative cerebral blood flow (CBF). The ischemic cortex is categorized into 4 kinds, the normal region, oligemia area, reversible ischemic site and ischemic core center. Measurement and comparison of the changes were taken before and after the therapy. Results: Preoperative XeCT revealed different decrease of CBF in the ipsilateral cortex, especially in MCA distributing territory. Ischemic areas reduced significantly after the stenting angioplasty. Oligemia area reduced from 32.63% to 14.22%. Reversible ischemic area reduced from 13.54% to 8.38%. Normal area increased from 47.51% to 71.13%. But ischemic core center showed no significant changes. Conclusions: XeCT is beneficial for evaluation of the hemodynamic characteristics of carotid artery stenoses and also for accurately demonstrating the curative effects of the stent angioplasty.

Original languageEnglish
Pages (from-to)295-298
Number of pages4
JournalJournal of Interventional Radiology
Issue number5
StatePublished - May 2007
Externally publishedYes


  • Carotid artery
  • Cerebral blood flow
  • Stenoses
  • Stent
  • XeCT


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