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Sameer A Ansari

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Articles 124
Citations 2911
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Recent Articles
1.
Narsinh K, Young C, Chen S, Ansari S, Kan P, Hetts S
J Neurointerv Surg . 2025 Jan; PMID: 39880620
No abstract available.
2.
Zhou C, Akhter Faruqui S, An D, Patel A, Abdalla R, Hurley M, et al.
J Imaging Inform Med . 2024 Dec; PMID: 39673009
Many tasks performed in image-guided procedures can be cast as pose estimation problems, where specific projections are chosen to reach a target in 3D space. In this study, we construct...
3.
Padmanaban V, Harbaugh T, Zhu J, Zhou S, Ansari S, Howington J, et al.
Neurosurgery . 2024 Nov; PMID: 39570023
Background And Objectives: Improved imaging modalities have led to an increased detection of intracranial aneurysms, many of which are small. There is uncertainty in the appropriate management of tiny aneurysms....
4.
Yoo A, Zaidat O, Sheth S, Rai A, Ortega-Gutierrez S, Given 2nd C, et al.
JAMA . 2024 Oct; PMID: 39374319
Importance: Recent large infarct thrombectomy trials used heterogeneous imaging modalities and time windows for patient selection. Noncontrast computed tomographic (CT) scan is the most common stroke imaging approach. It remains...
5.
Zhao T, Tang J, Krumpelman C, Moum S, Russin J, Ansari S, et al.
Magn Reson Med . 2024 Sep; 93(2):615-629. PMID: 39344291
Purpose: To develop a highly accelerated non-contrast-enhanced 4D-MRA technique by combining stack-of-stars golden-angle radial acquisition with a modified self-calibrated low-rank subspace reconstruction. Methods: A low-rank subspace reconstruction framework was introduced...
6.
Patel A, Abdalla R, Allaw S, Cantrell D, Shaibani A, Caprio F, et al.
AJNR Am J Neuroradiol . 2024 Jul; 45(9):1206-1213. PMID: 39054289
Background And Purpose: Analysis of vessel wall contrast kinetics (ie, wash-in/washout) is a promising method for the diagnosis and risk-stratification of intracranial atherosclerotic disease plaque (ICAD-P) and the intracranial aneurysm...
7.
Winter P, Berhane H, Moore J, Aristova M, Reichl T, Wollenberg J, et al.
Front Radiol . 2024 Jun; 4:1385424. PMID: 38895589
Introduction: Intracranial 4D flow MRI enables quantitative assessment of hemodynamics in patients with intracranial atherosclerotic disease (ICAD). However, quantitative assessments are still challenging due to the time-consuming vessel segmentation, especially...
8.
Mao J, Ansari S, Siddiqui A, Sedrakyan A, Marinac-Dabic D, Sheldon M, et al.
J Neurointerv Surg . 2024 Jun; PMID: 38862209
Background: Real-world data can be helpful in evaluating endovascular therapy (EVT) in ischemic stroke care. We conducted a pilot study to aggregate data on basilar artery occlusion (BAO) EVT from...
9.
Sukumaran M, Cantrell D, DAgostino C, Jahromi B, Ansari S, Potts M
J Stroke Cerebrovasc Dis . 2024 Apr; 33(6):107310. PMID: 38636321
Objectives: Heparin-induced thrombocytopenia is a known complication of heparin exposure with potentially life-threatening sequelae. Direct thrombin inhibitors can be substituted for heparin in patients with heparin-induced thrombocytopenia that require anticoagulation....
10.
Alzein M, Patel A, Abdalla R, Cantrell D, Shaibani A, Ansari S
Neuroimaging Clin N Am . 2024 Apr; 34(2):251-260. PMID: 38604709
Conventional imaging modalities, such as computed tomography angiography, MR angiography, transcranial Doppler ultrasonography, and digital subtraction angiography, are utilized in evaluating intraluminal or intravascular pathology of the intracranial vessels. Limitations...