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Abstract #4326

Relationship of FLIAR vascular hyperintensity territory with APCVs and venous oxygen saturation in patients with cerebral infarction

Pei-pei chang1, Yan-wei Miao1, Yu-han Jiang1, Yi-wei Che1, Bing-bing Gao1, Li-hua Chen1, Qing-wei Song1, Ren-wang Pu1, Ai-lian Liu1, Liang-jie Lin2, and Jia-zheng Wang2
1The First Affiliated Hospital of Dalian Medical University, Da Lian, China, 2Philips Healthcare, Bei Jing, China

Previous studies have suggested that fluid-attenuated inversion recovery vascular hyperintensity (FVH) and asymmetrical prominent cortical veins (APCVs) may be related with collateral flow in cerebral ischemia. Some studies showed susceptibility-weighted imaging (SWI) can reflect oxygenation fraction (OEF) in venous blood. Here, we prospectively compared the differences of FVH and APCVs scores in different types of vascular stenosis, and analyzed the relationships of the FVH score with the APCVs score, the venous-oxygen-saturation related MR measurements as well as the NIHSS score in patients with cerebral infarction. It was found that FVH and APCVs scores in severe-occlusion group were significantly higher than those in mild-to-moderate group. In addition, FVH score was positively correlated with APCVs score, rΔφ (phase value) and NIHSSadmission. It suggests that the occurrence of FVH is related to cerebral oxygen metabolism.

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