Pathophysiology of airflow limitation in chronic obstructive pulmonary disease

JC Hogg - The Lancet, 2004 - thelancet.com
The airflow limitation that defines chronic obstructive pulmonary disease (COPD) is the
result of a prolonged time constant for lung emptying, caused by increased resistance of the …

MRI of the lungs using hyperpolarized noble gases

HE Möller, XJ Chen, B Saam… - … in Medicine: An …, 2002 - Wiley Online Library
The nuclear spin polarization of the noble gas isotopes 3He and 129Xe can be increased
using optical pumping methods by four to five orders of magnitude. This extraordinary gain …

The small airways and distal lung compartment in asthma and COPD: a time for reappraisal

M Contoli, J Bousquet, LM Fabbri, H Magnussen… - Allergy, 2010 - Wiley Online Library
To cite this article: Contoli M, Bousquet J, Fabbri LM, Magnussen H, Rabe KF, Siafakas NM,
Hamid Q, Kraft M. The small airways and distal lung compartment in asthma and COPD: a …

19F: a versatile reporter for non-invasive physiology and pharmacology using magnetic resonance

J Yu, VD Kodibagkar, W Cui… - Current medicinal …, 2005 - ingentaconnect.com
The fluorine atom provides an exciting tool for diverse spectroscopic and imaging
applications using Magnetic Resonance. The organic chemistry of fluorine is widely …

The role of the small airways in the pathophysiology of asthma and chronic obstructive pulmonary disease

M Bonini, OS Usmani - Therapeutic Advances in Respiratory …, 2015 - journals.sagepub.com
Chronic respiratory diseases, such as asthma and chronic obstructive pulmonary disease
(COPD), represent a major social and economic burden for worldwide health systems …

Hyperpolarized xenon in NMR and MRI

AM Oros, NJ Shah - Physics in Medicine & Biology, 2004 - iopscience.iop.org
Hyperpolarized gases have found a steadily increasing range of applications in nuclear
magnetic resonance (NMR) and NMR imaging (MRI). They can be regarded as a new class …

Hyperpolarised xenon in biology

A Cherubini, A Bifone - Progress in Nuclear Magnetic Resonance …, 2003 - Elsevier
Contents 1. Introduction................................................................... 1 2. NMR properties of
gaseous, liquid and solid xenon...................................... 2 3. Xenon in water and …

Quantification of pulmonary functional MRI: state-of-the-art and emerging image processing methods and measurements

M Sharma, PV Wyszkiewicz… - Physics in Medicine …, 2022 - iopscience.iop.org
Pulmonary functional magnetic resonance imaging (PfMRI) provides a way to non-invasively
map and measure the spatial distribution of pulmonary ventilation, perfusion and gas …

In vitro validation of computational fluid dynamic simulation in human proximal airways with hyperpolarized 3He magnetic resonance phase-contrast velocimetry

L de Rochefort, L Vial, R Fodil… - Journal of applied …, 2007 - journals.physiology.org
Computational fluid dynamics (CFD) and magnetic resonance (MR) gas velocimetry were
concurrently performed to study airflow in the same model of human proximal airways …

[HTML][HTML] Qualitative and quantitative assessment of pendelluft: a simple method based on electrical impedance tomography

L Sang, Z Zhao, PJ Yun, I Frerichs… - Annals of …, 2020 - ncbi.nlm.nih.gov
Background Pendelluft, defined as asynchronous alveolar ventilation, is caused by different
regional time constants or dynamic pleural pressure variations. The aim of the present study …