Study on the Relationship between Hyperintense Vessel Sign and the Degree of Middle Cerebral Artery Stenosis and Cerebral Infarction Area

doi:10.7517/issn.1674-0475.220721

Abstract

Abstract: This paper discussed the occurrence of hyperintense vessel sign (HVS) on T2 fluid attenuation inversion recovery sequence (MRI T2-FLAIR) of acute middle cerebral artery donor cerebral infarction and its relationship with middle cerebral artery stenosis and cerebral infarction area. 125 patients with acute cerebral infarction in the blood supply area of middle cerebral artery were given MRI T2-FLAIR sequence scanning, the clinical data, stenosis degree of middle cerebral artery, cerebral infarct area and collateral circulation and so on of HVS positive and negative patients were analyzed. The National Institutes of Health stroke scale (NIHSS) score of HVS positive patients was significantly higher than that of HVS negative patients (P<0.05). The degree of middle cerebral artery stenosis, cerebral infarction area and the proportion of collateral circulation in HVS positive patients were significantly higher than those in HVS negative patients (P<0.05). HVS was positively correlated with NIHSS score, middle cerebral artery stenosis, cerebral infarction area and collateral circulation (P<0.05). The NIHSS score and the degree of middle cerebral artery stenosis in distal HVS positive patients were significantly lower than those in proximal HVS positive patients (P<0.05). HVS is found on T2-FLAIR of MRI in patients with acute cerebral infarction in the blood supply area of middle cerebral artery, has severe stenosis of middle cerebral artery and large cerebral infarction area.

Key words: MRI T2 liquid attenuation inversion recovery sequence, acute middle cerebral artery infarction, degree of stenosis, cerebral infarction area, hyperintense vessel sign

YANG Yuanfang, TENG Yuehua, SHAO Shuai. Study on the Relationship between Hyperintense Vessel Sign and the Degree of Middle Cerebral Artery Stenosis and Cerebral Infarction Area[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2022, 40(6): 1524-1528.

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