Hypoperfusion Intensity Ratio Predicts Infarct Growth After Successful Thrombectomy for Distal Medium Vessel Occlusion
Sign Up to like & getrecommendations! Published in 2022 at "Clinical Neuroradiology"
DOI: 10.1007/s00062-022-01141-6
Abstract: This study evaluated whether quantitative measurement of collaterals by the hypoperfusion intensity ratio (HIR) on baseline computed tomography perfusion (CTP) correlated with infarct growth and clinical outcome after successful endovascular recanalization of acute ischemic stroke… read more here.
Keywords: growth successful; analysis; intensity ratio; growth ... See more keywords
The hypoperfusion intensity ratio associates with APOE gene polymorphism in acute ischemic stroke patients with large vessel occlusion
Sign Up to like & getrecommendations! Published in 2025 at "Scientific Reports"
DOI: 10.1038/s41598-025-16237-5
Abstract: Determine whether APOE gene polymorphism is associated with hypoperfusion intensity ratio (HIR) in acute ischemic stroke (AIS) patients with large vessel occlusion (LVO). Continuously reviewed hospitalized LVO-AIS patients. According to whether the patients carried APOE… read more here.
Keywords: stroke; gene polymorphism; intensity ratio; hypoperfusion intensity ... See more keywords
Evaluating the prognostic impact of hypoperfusion intensity ratio in acute ischemic stroke patients undergoing early-phase endovascular thrombectomy
Sign Up to like & getrecommendations! Published in 2024 at "Medicine"
DOI: 10.1097/md.0000000000040679
Abstract: This research aimed to assess the prognostic relevance of the hypoperfusion intensity ratio (HIR) concerning 90-day outcomes in patients with acute ischemic stroke (AIS) managed within the early intervention window. A retrospective review was conducted… read more here.
Keywords: stroke; score; hypoperfusion intensity; hypoperfusion ... See more keywords
Abstract P557: Hypoperfusion Intensity Ratio and Cerebral Blood Volume Index as Predictors of Outcome for Recanalized Middle Cerebral Artery Occlusions
Sign Up to like & getrecommendations! Published in 2021 at "Stroke"
DOI: 10.1161/str.52.suppl_1.p557
Abstract: Introduction: Preliminary data suggest the Hypoperfusion Intensity Ratio (HIR) and the Cerebral Blood Volume Index (CBVI) derived from Computerized Tomography Perfusion (CTP) imaging predict the ra... read more here.
Keywords: intensity ratio; volume index; hypoperfusion intensity; cerebral blood ... See more keywords
Do Fluid-Attenuated Inversion Recovery Vascular Hyperintensities Represent Good Collaterals before Reperfusion Therapy?
Sign Up to like & getrecommendations! Published in 2018 at "American Journal of Neuroradiology"
DOI: 10.3174/ajnr.a5431
Abstract: The authors evaluated 244 consecutive patients eligible for reperfusion therapy with MCA stroke and pretreatment MR imaging with both FLAIR and PWI. The FLAIR vascular hyperintensity score was based on ASPECTS, ranging from 0 (no… read more here.
Keywords: intensity ratio; vascular hyperintensities; flair; hypoperfusion intensity ... See more keywords