Transstenotic pressure gradients: measurement in swine—retrospectively ECG-gated 3D phase-contrast MR angiography versus endovascular pressure-sensing …

DP Lum, KM Johnson, RK Paul, AS Turk, DW Consigny… - Radiology, 2007 - pubs.rsna.org
D, Pressure map derived from phase-contrast VIPR phase difference data. Arrows show
start and end locations, corresponding to 1 cm proximal and 1 cm distal to center of stenosis, …

Accuracy of Doppler echocardiographic estimates of pulmonary artery pressures in a canine model of pulmonary hypertension

…, ML Bates, RL Stepien, DW Consigny… - Journal of veterinary …, 2015 - Elsevier
… Right heart catheterization data, ECHO measurements (TR and PR), RA size calculations,
RA size subj and RAP ECHO were tested for normality using the D'Agostino and Pearson …

C-arm CT measurement of cerebral blood volume: an experimental study in canines

…, K Royalty, D Consigny… - American journal …, 2009 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Cerebral blood volume (CBV) is an important parameter in
estimating the viability of brain tissue following an ischemic event. We tested the hypothesis …

Noninvasive measurement of intra-aneurysmal pressure and flow pattern using phase contrast with vastly undersampled isotropic projection imaging

…, AS Turk, DB Niemann, D Consigny… - American journal …, 2007 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Currently, more reliable parameters to predict the risk of
aneurysmal rupture are needed. Intra-aneurysmal pressure gradients and flow maps could …

Noninvasive assessment of transstenotic pressure gradients in porcine renal artery stenoses by using vastly undersampled phase-contrast MR angiography

…, SB Reeder, ML Schiebler, B R. Landgraf, D Consigny… - Radiology, 2011 - pubs.rsna.org
… (d) Corresponding pressure (P) map shows a pressure drop across the stenosis (arrow) (…
(d) Corresponding pressure (P) map shows a pressure drop across the stenosis (arrow) (Movie […

C-arm CT measurement of cerebral blood volume and cerebral blood flow using a novel high-speed acquisition and a single intravenous contrast injection

…, A Fieselmann, D Consigny - American Journal …, 2013 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Assessment of perfusion parameters is important in the
selection of patients who are most likely to benefit from revascularization after an acute …

Pulmonary embolism detection with three-dimensional ultrashort echo time MR imaging: experimental study in canines

…, ML Schiebler, CJ François, U Motosugi, D Consigny… - Radiology, 2016 - pubs.rsna.org
… Axial (a) breath-hold MR angiographic, (b) free-breathing UTE , and (c, d) CT images
displayed by using soft-tissue (c) and lung (d) window settings after induction of PE . Both readers …

C-arm CT measurement of cerebral blood volume in ischemic stroke: an experimental study in canines

…, D Consigny, R Yasuda, D Niemann - American journal …, 2010 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: CBV is a key parameter in distinguishing penumbra from
ischemic core. The purpose of this study was to compare CBV measurements acquired with …

Comparison of blood velocity measurements between ultrasound Doppler and accelerated phase-contrast MR angiography in small arteries with disturbed flow

…, K Johnson, S Baker, D Consigny… - Physics in Medicine …, 2011 - iopscience.iop.org
… Hereafter we refer to these four animals as subjects A–D. … found stronger spatial velocity
gradients near the cross-section D-3 as compared to the other two measurement sites (D-1 and …

Comparison of radial 4D Flow-MRI with perivascular ultrasound to quantify blood flow in the abdomen and introduction of a porcine model of pre-hepatic portal …

…, A Roldan-Alzate, E Winslow, D Consigny… - European …, 2017 - Springer
Objectives Objectives of this study were to compare radial time-resolved phase contrast
magnetic resonance imaging (4D Flow-MRI) with perivascular ultrasound (pvUS) and to explore …