Peri-Therapeutic Quantitative Flow Analysis of Endovascular Revascularization for Ischemic Stroke Patients on Digital Subtraction Angiography

2017 ◽  
Vol 38 (3) ◽  
pp. 387-395
Author(s):  
Shih-Neng Yang ◽  
Yu-Yi Lin ◽  
Tsung-Jung Ho ◽  
Shi-Yann Cheng ◽  
Yu-Rou Chiou ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Digital Subtraction Angiography ◽  
Flow Analysis ◽  
Digital Subtraction ◽  
Stroke Patients ◽  
Endovascular Revascularization ◽  
Quantitative Flow

scholarly journals Peritherapeutic quantitative flow analysis of arteriovenous malformation on digital subtraction angiography

2012 ◽  
Vol 56 (3) ◽  
pp. 812-815 ◽  
Author(s):  
Tzung-Chi Huang ◽  
Tung-Hsin Wu ◽  
Chung-Jung Lin ◽  
Greta S.P. Mok ◽  
Wan-Yuo Guo
Keyword(s):  
Arteriovenous Malformation ◽  
Digital Subtraction Angiography ◽  
Flow Analysis ◽  
Digital Subtraction ◽  
Quantitative Flow

scholarly journals Prognosis of ischemic stroke patients with or without collateralization after carotid stenosis

2018 ◽  
Vol 11 (4) ◽  
pp. 270-273
Author(s):  
Subash Kanti Dey ◽  
Md. Shahidullah ◽  
Anis Ahmed ◽  
Ahsan Habib ◽  
Abu Nasar Rizvi
Keyword(s):  
Ischemic Stroke ◽  
Acute Ischemic Stroke ◽  
Carotid Stenosis ◽  
Digital Subtraction Angiography ◽  
P Value ◽  
Digital Subtraction ◽  
Stroke Patients

The objective of this study was to see the  association of the prognosis of ischemic stroke patients with or without collateralization after carotid stenosis. This study was conducted on 36 patients presenting with acute ischemic stroke who were going through digital subtraction angiography from March 2017 to March 2018. Collateralization status after unilateral or bilateral stenosis was evaluated. Modified ranking scale (mRS) score was  measured on the first day of the stroke and after three months. The disability of ischemic stroke patients was compared between patients who developed collateralization and who had not. Among them, 61.6% developed collateralization. Among the patients who developed collateralization after three months, 90.9% patients had mRS scale of ≤2 and who not developed collateralization, 85.7% patients had mRS scale of ≤2. In both the groups, the p value was <0.05. It can be concluded that carotid stenosed patients who suffered from ischemic stroke, most of the patients disability improved to some extents whether collateralization developed or not among the major vessels.

Clinical and radiological outcomes of acute ischemic stroke patients without angiographic occlusion on digital subtraction angiogram. A pooled analysis of case series

2008 ◽  
Vol 50 (11) ◽  
pp. 963-968 ◽  
Author(s):  
Qaisar A. Shah ◽  
Muhammad Zeeshan Memon ◽  
Gabriela Vazquez ◽  
M. Fareed K. Suri ◽  
Haitham M. Hussein ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Acute Ischemic Stroke ◽  
Case Series ◽  
Pooled Analysis ◽  
Digital Subtraction ◽  
Stroke Patients ◽  
Digital Subtraction Angiogram

Arterial Spin Labeling Magnetic Resonance Imaging Can Identify the Occlusion Site and Collateral Perfusion in Patients with Acute Ischemic Stroke: Comparison with Digital Subtraction Angiography

2019 ◽  
Vol 48 (1-2) ◽  
pp. 70-76 ◽  
Author(s):  
Yoichi Morofuji ◽  
Nobutaka Horie ◽  
Yohei Tateishi ◽  
Minoru Morikawa ◽  
Susumu Yamaguchi ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Ischemic Stroke ◽  
Magnetic Resonance ◽  
Acute Ischemic Stroke ◽  
Digital Subtraction Angiography ◽  
Arterial Spin Labeling ◽  
Spin Labeling ◽  
Collateral Flow ◽  
Digital Subtraction ◽  
Resonance Imaging

Background and Objectives: Determining the occlusion site and collateral blood flow is important in acute ischemic stroke. The purpose of the current study was to test whether arterial spin labeling (ASL) magnetic resonance imaging (MRI) could be used to identify the occlusion site and collateral perfusion, using digital subtraction angiography (DSA) as a gold standard. Method: Data from 521 consecutive patients who presented with acute ischemic stroke at our institution from January 2012 to September 2014 were retrospectively reviewed. Image data were included in this study if: (1) the patient presented symptoms of acute ischemic stroke; (2) MRI was performed within 24 h of symptom onset; and (3) DSA following MRI was performed (n = 32 patients). We defined proximal intra-arterial sign (IAS) on ASL as enlarged circular or linear bright hyperintense signal within the occluded artery and distal IAS as enlarged circular or linear bright hyperintense signals within arteries inside or surrounding the affected region. The presence or absence of the proximal IAS and distal IAS were assessed, along with their inter-rater agreement and consistency with the presence of occlusion site and collateral flow on DSA images. Results: The sensitivity and specificity for identifying occlusion site with ASL were 82.8 and 100%, respectively. Those for identifying collateral flow with ASL were 96.7 and 50%, respectively. The inter-rater reliability was excellent for proximal IAS (κ = 0.92; 95% CI 0.76–1.00) and substantial for distal IAS detection (κ = 0.78; 95% CI 0.38–1.00). Conclusions: Proximal IAS and distal IAS on ASL imaging can provide important diagnostic clues for the detection of arterial occlusion sites and collateral perfusion in patients with acute ischemic stroke.

scholarly journals The use of neurovascular ultrasound versus digital subtraction angiography in acute ischemic stroke

2015 ◽  
Vol 73 (3) ◽  
pp. 218-222 ◽  
Author(s):  
Marcos C. Lange ◽  
Tatiana P. Bruch ◽  
Jeff C. Pedrozo ◽  
Luana Maranha ◽  
Thiago Mamôru Sakae ◽  
...  
Keyword(s):  
Ischemic Stroke ◽  
Hospital Admission ◽  
Acute Ischemic Stroke ◽  
Digital Subtraction Angiography ◽  
Sensitivity And Specificity ◽  
Transient Ischemic Attack ◽  
Ultrasound Examination ◽  
High Sensitivity ◽  
Digital Subtraction ◽  
Ischemic Attack

Cervical and intracranial arterial evaluation is an important issue for acute ischemic stroke (IS). Objective Compare the use of the neurovascular ultrasound examination (NVUE) to digital subtraction angiography (DSA) in acute IS patients for diagnosing significant extracranial and intracranial arteriopathy. Method Nonconsecutive patients with IS or transient ischemic attack admitted within 12 hours of the onset of symptoms were evaluated retrospectively. Standardized NVUE and DSA were done in all patients within the first 120 hours of hospital admission. Results Twenty-four patients were included in the study. Compared to DSA, the NVUE demonstrated 94.7% sensitivity and 100% specificity for identifying symptomatic extracranial and/or intracranial arteriopathy. Conclusion The standardized NVUE technique demonstrated high sensitivity and specificity compared to DSA for diagnosing arterial abnormalities in acute IS patients.

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