Recommendations for imaging of acute ischemic stroke: a scientific statement from the American Heart Association
RE Latchaw, MJ Alberts, MH Lev, JJ Connors… - Stroke, 2009 - Am Heart Assoc
… few level C studies with early CT scanners 25,26 and practical experience. Two prospective
and randomized level … Recent evidence (level B) suggests that although the presence of old …
and randomized level … Recent evidence (level B) suggests that although the presence of old …
Theoretic basis and technical implementations of CT perfusion in acute ischemic stroke, part 1: theoretic basis
CT perfusion (CTP) is a functional imaging technique that provides important information
about capillary-level hemodynamics of the brain parenchyma and is a natural complement to …
about capillary-level hemodynamics of the brain parenchyma and is a natural complement to …
Acute stroke imaging research roadmap
… This analysis will incorporate patient characteristics at the time of scan acquisition, such
as heart rate, blood pressure, glucose level, and hematocrit, which may have a significant …
as heart rate, blood pressure, glucose level, and hematocrit, which may have a significant …
Hyperacute stroke: evaluation with combined multisection diffusion-weighted and hemodynamically weighted echo-planar MR imaging.
…, FS Buonanno, RG Gonzalez, LH Schwamm, MH Lev… - Radiology, 1996 - pubs.rsna.org
PURPOSE: To evaluate acute stroke with conventional, multisection diffusion-weighted (DW),
and hemodynamically weighted (HW) magnetic resonance (MR) imaging. MATERIALS …
and hemodynamically weighted (HW) magnetic resonance (MR) imaging. MATERIALS …
Glial tumor grading and outcome prediction using dynamic spin-echo MR susceptibility mapping compared with conventional contrast-enhanced MR: confounding …
… A and B, Axial contrast-enhanced T1-weighted (A) and rCBV (B) images through the level
of the lateral ventricles demonstrate an enhancing mass. There is elevated blood volume …
of the lateral ventricles demonstrate an enhancing mass. There is elevated blood volume …
Significance of large vessel intracranial occlusion causing acute ischemic stroke and TIA
Background and Purpose— Acute ischemic stroke due to large vessel occlusion (LVO)—vertebral,
basilar, carotid terminus, middle and anterior cerebral arteries—likely portends a …
basilar, carotid terminus, middle and anterior cerebral arteries—likely portends a …
Collateral vessels on CT angiography predict outcome in acute ischemic stroke
MB Maas, MH Lev, H Ay, AB Singhal, DM Greer… - Stroke, 2009 - Am Heart Assoc
… Angiographic occlusions, with a 1 to 5 level of certainty rating, were recorded for 27 defined
vessel segments. Lesions identified as subtotal or total occlusion of Level 4 and 5 certainty (…
vessel segments. Lesions identified as subtotal or total occlusion of Level 4 and 5 certainty (…
ABC/2 for rapid clinical estimate of infarct, perfusion, and mismatch volumes
…, PW Schaefer, M Vangel, ES Rosenthal, MH Lev… - Neurology, 2009 - AAN Enterprises
Background: Rapid and easy clinical assessments for volumes of infarction and perfusion
mismatch are needed. We tested whether simple geometric models generated accurate …
mismatch are needed. We tested whether simple geometric models generated accurate …
Acute stroke: improved nonenhanced CT detection—benefits of soft-copy interpretation by using variable window width and center level settings
MH Lev, J Farkas, JJ Gemmete, ST Hossain, GJ Hunter… - Radiology, 1999 - pubs.rsna.org
… , variable window width and level review settings in computed … center level and window
width settings of 20 and 80 HU and with variable soft-copy settings initially centered at a level of …
width settings of 20 and 80 HU and with variable soft-copy settings initially centered at a level of …
An explainable deep-learning algorithm for the detection of acute intracranial haemorrhage from small datasets
…, S Kamalian, RG Gonzalez, MH Lev… - Nature biomedical …, 2019 - nature.com
… methodology 21 by using case-level labels aggregated from slice-level labels, as well as …
of 100 test slices, without the need for tedious and costly manual pixel-level segmentation. …
of 100 test slices, without the need for tedious and costly manual pixel-level segmentation. …