Abstract WP171: Hemodynamic Compromise Identified by Oxygen Extraction Fraction Response (OEFR) to Acetazolamide in Stroke Patients With Large Vessel Occlusion

Stroke ◽  
2019 ◽  
Vol 50 (Suppl_1) ◽  
Author(s):  
Edwin M Nemoto ◽  
Hiroto Kuwabara ◽  
Howard Yonas
Keyword(s):  
Large Vessel ◽  
Oxygen Extraction Fraction ◽  
Oxygen Extraction ◽  
Large Vessel Occlusion ◽  
Stroke Patients ◽  
Vessel Occlusion ◽  
Hemodynamic Compromise ◽  
Extraction Fraction

scholarly journals Factors associated with prominent vessel sign on susceptibility-weighted imaging in acute ischemic stroke

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Hai-fei Jiang ◽  
Yi-qun Zhang ◽  
Jiang-xia Pang ◽  
Pei-ning Shao ◽  
Han-cheng Qiu ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Large Vessel ◽  
Susceptibility Weighted Imaging ◽  
Regression Analyses ◽  
Large Vessel Occlusion ◽  
Stroke Patients ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Factors Associated ◽  
Univariate Analyses

AbstractThe prominent vessel sign (PVS) on susceptibility-weighted imaging (SWI) is not displayed in all cases of acute ischemia. We aimed to investigate the factors associated with the presence of PVS in stroke patients. Consecutive ischemic stroke patients admitted within 24 h from symptom onset underwent emergency multimodal MRI at admission. Associated factors for the presence of PVS were analyzed using univariate analyses and multivariable logistic regression analyses. A total of 218 patients were enrolled. The occurrence rate of PVS was 55.5%. Univariate analyses showed significant differences between PVS-positive group and PVS-negative group in age, history of coronary heart disease, baseline NIHSS scores, total cholesterol, hemoglobin, anterior circulation infarct, large vessel occlusion, and cardioembolism. Multivariable logistic regression analyses revealed that the independent factors associated with PVS were anterior circulation infarct (odds ratio [OR] 13.7; 95% confidence interval [CI] 3.5–53.3), large vessel occlusion (OR 123.3; 95% CI 33.7–451.5), and cardioembolism (OR 5.6; 95% CI 2.1–15.3). Anterior circulation infarct, large vessel occlusion, and cardioembolism are independently associated with the presence of PVS on SWI.

scholarly journals Mechanical Thrombectomy for Minor Stroke Patients (NIHSS <6) With Large Vessel Occlusion

2018 ◽  
Vol 24 (2) ◽  
pp. 67-70
Author(s):  
Çetin Kürşad Akpınar ◽  
Erdem Gürkaş ◽  
Emrah Aytaç ◽  
Murat Çalık
Keyword(s):  
Mechanical Thrombectomy ◽  
Large Vessel ◽  
Minor Stroke ◽  
Large Vessel Occlusion ◽  
Stroke Patients ◽  
Vessel Occlusion

Abstract 138: How Far is Too Far? A Decision Analysis Model of Pre-hospital Triage for Potential Large Vessel Occlusion Acute Stroke Patients

Stroke ◽  
2018 ◽  
Vol 49 (Suppl_1) ◽  
Author(s):  
Yaqian Xu ◽  
Boshen Jiao ◽  
Neal S Parikh ◽  
Joshua Z Willey ◽  
Amelia K Boehme ◽  
...  
Keyword(s):  
Decision Analysis ◽  
Acute Stroke ◽  
Large Vessel ◽  
Decision Analysis Model ◽  
Large Vessel Occlusion ◽  
Analysis Model ◽  
Stroke Patients ◽  
Vessel Occlusion

Abstract WP82: Ghost Infarct Core: Ischemic Oreoverestimation by Admission CT Perfusion on Large Vessel Occlusion Stroke Patients

Stroke ◽  
2019 ◽  
Vol 50 (Suppl_1) ◽  
Author(s):  
Gabriel M Rodrigues ◽  
Michael Frankel ◽  
Diogo C Haussen ◽  
Raul G Nogueira
Keyword(s):  
Ct Perfusion ◽  
Large Vessel ◽  
Large Vessel Occlusion ◽  
Stroke Patients ◽  
Infarct Core ◽  
Vessel Occlusion

Abstract TP38: Re-Occlusion During Endovascular Therapy for Acute Stroke Patients With Large Vessel Occlusion

Stroke ◽  
2019 ◽  
Vol 50 (Suppl_1) ◽  
Author(s):  
Qing Hao ◽  
Jacob Morey ◽  
Xiangnan Zhang ◽  
Emily Chapman ◽  
Reade DeLeacy ◽  
...  
Keyword(s):  
Acute Stroke ◽  
Endovascular Therapy ◽  
Large Vessel ◽  
Large Vessel Occlusion ◽  
Stroke Patients ◽  
Vessel Occlusion

scholarly journals Relationship between stroke etiology and collateral status in anterior circulation large vessel occlusion

2020 ◽  
Vol 267 (11) ◽  
pp. 3362-3370
Author(s):  
Eva Hassler ◽  
Markus Kneihsl ◽  
Hannes Deutschmann ◽  
Nicole Hinteregger ◽  
Marton Magyar ◽  
...  
Keyword(s):  
Carotid Artery ◽  
Adverse Events ◽  
Infarct Size ◽  
Artery Occlusion ◽  
Large Vessel ◽  
Large Vessel Occlusion ◽  
Stroke Patients ◽  
Anterior Circulation ◽  
Vessel Occlusion ◽  
Extracranial Carotid Artery

Abstract Background and purpose Clinical outcome after mechanical thrombectomy (MT) for large vessel occlusion (LVO) stroke is influenced by the intracerebral collateral status. We tested the hypothesis that patients with preexisting ipsilateral extracranial carotid artery stenosis (CAS) would have a better collateral status compared to non-CAS patients. Additionally, we evaluated MT-related adverse events and outcome for both groups. Methods Over a 7-year period, we identified all consecutive anterior circulation MT patients (excluding extracranial carotid artery occlusion and dissection). Patients were grouped into those with CAS ≥ 50% according to the NASCET criteria and those without significant carotid stenosis (non-CAS). Collateral status was rated on pre-treatment CT- or MR-angiography according to the Tan Score. Furthermore, we assessed postinterventional infarct size, adverse events and functional outcome at 90 days. Results We studied 281 LVO stroke patients, comprising 46 (16.4%) with underlying CAS ≥ 50%. Compared to non-CAS stroke patients (n = 235), patients with CAS-related stroke more often had favorable collaterals (76.1% vs. 46.0%). Recanalization rates were comparable between both groups. LVO stroke patients with underlying CAS more frequently had adverse events after MT (19.6% vs. 6.4%). Preexisting CAS was an independent predictor for favorable collateral status in multivariable models (Odds ratio: 3.3, p = 0.002), but post-interventional infarct size and functional 90-day outcome were not different between CAS and non-CAS patients. Conclusions Preexisting CAS ≥ 50% was associated with better collateral status in LVO stroke patients. However, functional 90-day outcome was independent from CAS, which could be related to a higher rate of adverse events.

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