Benign Oligemia in Subacute Stage Is Associated with Borderzone Infarction in Stroke Patients Caused by Intracranial Large Artery Disease
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AbstractBackground: CT perfusion (CTP) imaging provides quantitative evaluation of cerebral perfusion flow and volume. Our previous findings showed that benign oligemia caused by intracranial large artery disease may be existent in subacute stroke. Aims: We aimed at comparing the topographic patterns and clinical outcome of stroke patients with and without persistent benign oligemia as defined by CTP imaging. Methods: Consecutive ischemic stroke patients who were referred for CTP in 2009 were screened. The topographic patterns (cortical, borderzone or perforating artery territory infarcts) were assessed by diffusion-weighted imaging (DWI). The clinical outcome was defined by modified Rankin score at 6 months after stroke onset. Results: Totally, 26 stroke patients were recruited. Benign oligemia in subacute stage was detected in 15 patients. The occurrence of borderzone infarction was higher in stroke patients with benign oligemia than those without (p = 0.036). Conclusions: The topographic pattern of DWI may be different between the intracranial arterial disease patients with and without benign oligemia on CTP in subacute stroke.
All Author(s) ListLi J, Chen XY, Soo Y, Leung TW, Zeng J, Wong KS
Journal nameEuropean Neurology
Volume Number77
Issue Number1-2
Pages80 - 86
LanguagesEnglish-United Kingdom

Last updated on 2021-16-01 at 01:23