Carson Hoffman
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View article: Calculation method for novel upright CT scanner isodose curves
Calculation method for novel upright CT scanner isodose curves Open
Purpose A computational method based on Monte‐Carlo calculations is presented and used to calculate isodose curves for a new upright and tilting CT scanner useful for radiation protection purposes. Methods The TOPAS code platform with impo…
View article: Interleaved x‐ray imaging: A method for simultaneous acquisition of quantitative and diagnostic digital subtraction angiography
Interleaved x‐ray imaging: A method for simultaneous acquisition of quantitative and diagnostic digital subtraction angiography Open
Background Flow altering angiographic procedures suffer from ill‐defined, qualitative endpoints. Quantitative digital subtraction angiography (qDSA) is an emerging technology that aims to address this issue by providing intra‐procedural bl…
View article: Normative Cerebral Hemodynamics in Middle-aged and Older Adults Using 4D Flow MRI: Initial Analysis of Vascular Aging
Normative Cerebral Hemodynamics in Middle-aged and Older Adults Using 4D Flow MRI: Initial Analysis of Vascular Aging Open
Background Characterizing cerebrovascular hemodynamics in older adults is important for identifying disease and understanding normal neurovascular aging. Four-dimensional (4D) flow MRI allows for a comprehensive assessment of cerebral hemo…
View article: <scp>Pseudo‐Enhancement</scp> in Intracranial Aneurysms on <scp>Black‐Blood MRI</scp>: Effects of Flow Rate, Spatial Resolution, and Additional Flow Suppression
<span>Pseudo‐Enhancement</span> in Intracranial Aneurysms on <span>Black‐Blood MRI</span>: Effects of Flow Rate, Spatial Resolution, and Additional Flow Suppression Open
Background Vessel‐wall enhancement (VWE) on black‐blood MRI (BB MRI) has been proposed as an imaging marker for a higher risk of rupture and associated with wall inflammation. Whether VWE is causally linked to inflammation or rather induce…
View article: Cardiorespiratory Fitness Associates with Cerebral Vessel Pulsatility in a Cohort Enriched with Risk for Alzheimer’s Disease
Cardiorespiratory Fitness Associates with Cerebral Vessel Pulsatility in a Cohort Enriched with Risk for Alzheimer’s Disease Open
Background: There is increasing evidence that vascular disease risk factors contribute to evolution of the dementia syndrome of Alzheimer’s disease (AD). One important measure of cerebrovascular health is pulsatility index (PI) which is th…
View article: Quantification of Blood Velocity with 4D Digital Subtraction Angiography Using the Shifted Least-Squares Method
Quantification of Blood Velocity with 4D Digital Subtraction Angiography Using the Shifted Least-Squares Method Open
The availability of 4D-DSA provides the opportunity to use the shifted least-squares method to estimate velocity in vessels within a 3D volume.