The effect of lung deformation on the spatial distribution of pulmonary blood flow
Key points Pulmonary perfusion measurement using magnetic resonance imaging
combined with deformable image registration enabled us to quantify the change in the …
combined with deformable image registration enabled us to quantify the change in the …
Effects of respiratory cycle and body position on quantitative pulmonary perfusion by MRI
JJ Cao, YI Wang, W Schapiro… - Journal of Magnetic …, 2011 - Wiley Online Library
Purpose: To evaluate the performance of lung perfusion imaging using two‐dimensional
(2D) first pass perfusion MRI and a quantitation program based on model‐independent …
(2D) first pass perfusion MRI and a quantitation program based on model‐independent …
Lung perfusion measured using magnetic resonance imaging: new tools for physiological insights into the pulmonary circulation
SR Hopkins, GK Prisk - Journal of Magnetic Resonance …, 2010 - Wiley Online Library
Since the lung receives the entire cardiac output, sophisticated imaging techniques are not
required in order to measure total organ perfusion. However, for many years studying lung …
required in order to measure total organ perfusion. However, for many years studying lung …
The effect of supine exercise on the distribution of regional pulmonary blood flow measured using proton MRI
The Zone model of pulmonary perfusion predicts that exercise reduces perfusion
heterogeneity because increased vascular pressure redistributes flow to gravitationally …
heterogeneity because increased vascular pressure redistributes flow to gravitationally …
The spatial-temporal dynamics of pulmonary blood flow are altered in pulmonary arterial hypertension
AS Kizhakke Puliyakote, GK Prisk… - Journal of Applied …, 2023 - journals.physiology.org
Global fluctuation dispersion (FDglobal), a spatial-temporal metric derived from serial
images of the pulmonary perfusion obtained with MRI-arterial spin labeling, describes …
images of the pulmonary perfusion obtained with MRI-arterial spin labeling, describes …
Effects of age on pulmonary perfusion heterogeneity measured by magnetic resonance imaging
DL Levin, RB Buxton, JP Spiess… - Journal of applied …, 2007 - journals.physiology.org
Normal aging is associated with a decline in pulmonary function and efficiency of gas
exchange, although the effects on the spatial distribution of pulmonary perfusion are poorly …
exchange, although the effects on the spatial distribution of pulmonary perfusion are poorly …
Assessment of differential pulmonary blood flow using perfusion magnetic resonance imaging: comparison with radionuclide perfusion scintigraphy
F Molinari, C Fink, F Risse, S Tuengerthal… - Investigative …, 2006 - journals.lww.com
Objectives: We sought to assess the agreement between lung perfusion ratios calculated
from pulmonary perfusion magnetic resonance imaging (MRI) and those calculated from …
from pulmonary perfusion magnetic resonance imaging (MRI) and those calculated from …
Pulmonary blood flow redistribution by increased gravitational force
MP Hlastala, MA Chornuk, DA Self… - Journal of Applied …, 1998 - journals.physiology.org
This study was undertaken to assess the influence of gravity on the distribution of pulmonary
blood flow (PBF) using increased inertial force as a perturbation. PBF was studied in …
blood flow (PBF) using increased inertial force as a perturbation. PBF was studied in …
Vertical gradients in regional lung density and perfusion in the supine human lung: the Slinky effect
SR Hopkins, AC Henderson, DL Levin… - Journal of applied …, 2007 - journals.physiology.org
In vivo radioactive tracer and microsphere studies have differing conclusions as to the
magnitude of the gravitational effect on the distribution of pulmonary blood flow. We …
magnitude of the gravitational effect on the distribution of pulmonary blood flow. We …
Lung volume does not alter the distribution of pulmonary perfusion in dependent lung in supine humans
SR Hopkins, TJ Arai, AC Henderson… - The Journal of …, 2010 - Wiley Online Library
There is a gravitational influence on pulmonary perfusion, including in the most dependent
lung, where perfusion is reduced, termed Zone 4. Studies using xenon‐133 show Zone 4 …
lung, where perfusion is reduced, termed Zone 4. Studies using xenon‐133 show Zone 4 …