Quantifying ventilation by X-ray velocimetry in healthy adults
T Siddharthan, K Grealis, JP Kirkness, T Ötvös… - Respiratory …, 2023 - Springer
Rationale X-ray velocimetry (XV) has been utilized in preclinical models to assess lung
motion and regional ventilation, though no studies have compared XV-derived physiologic …
motion and regional ventilation, though no studies have compared XV-derived physiologic …
Quantification of muco-obstructive lung disease variability in mice via laboratory X-ray velocimetry
To effectively diagnose, monitor and treat respiratory disease clinicians should be able to
accurately assess the spatial distribution of airflow across the fine structure of lung. This …
accurately assess the spatial distribution of airflow across the fine structure of lung. This …
Ventilation heterogeneity from X-ray Velocimetry predicts COPD severity
S Raju, K Grealis, E Gonzalez, K Nakrani, T Otvas… - 2023 - Eur Respiratory Soc
Background: Standard spirometric assessments of COPD fail to capture regional ventilation
heterogeneity (VH). X-ray velocimetry (XV) has promise as a non-invasive tool to assess VH …
heterogeneity (VH). X-ray velocimetry (XV) has promise as a non-invasive tool to assess VH …
The validity of radiographic estimation of total lung capacity in patients with respiratory disease
GP Pappas, CA Brodkin, L Sheppard, J Balmes… - Chest, 1998 - Elsevier
Study objective To evaluate the validity of a state-of-the-art computerized planimetry
technique for estimation of total lung capacity (TLC) from chest radiographs, when applied to …
technique for estimation of total lung capacity (TLC) from chest radiographs, when applied to …
Measurement of lung volumes from supine portable chest radiographs
AL Ries, JL Clausen… - Journal of Applied …, 1979 - journals.physiology.org
Lung volumes in supine nonambulatory patients are physiological parameters often difficult
to measure with current techniques (plethysmograph, gas dilution). Existing radiographic …
to measure with current techniques (plethysmograph, gas dilution). Existing radiographic …
Critical evaluation of computerised x ray planimetry for the measurement of lung volumes.
DP Spence, YJ Kelly, J Ahmed, PM Calverley… - Thorax, 1995 - thorax.bmj.com
BACKGROUND--Computerised x-ray planimetry has been advocated as an alternative to
body plethysmography and helium dilution for measuring static lung volumes. The accuracy …
body plethysmography and helium dilution for measuring static lung volumes. The accuracy …
Determination of regional ventilation and perfusion in the lung using xenon and computed tomography
TC Kreck, MA Krueger, WA Altemeier… - Journal of Applied …, 2001 - journals.physiology.org
We propose a model to measure both regional ventilation (V˙) and perfusion (Q˙) in which
the regional radiodensity (RD) in the lung during xenon (Xe) washin is a function of regional …
the regional radiodensity (RD) in the lung during xenon (Xe) washin is a function of regional …
Systems for lung volume standardization during static and dynamic MDCT-based quantitative assessment of pulmonary structure and function
MK Fuld, RW Grout, J Guo, JH Morgan, EA Hoffman - Academic radiology, 2012 - Elsevier
RATIONALE AND OBJECTIVES: Multidetector-row computed tomography (MDCT) has
emerged as a tool for quantitative assessment of parenchymal destruction, air trapping …
emerged as a tool for quantitative assessment of parenchymal destruction, air trapping …
Simple low dose radiography allows precise lung volume assessment in mice
X-ray based lung function (XLF) as a planar method uses dramatically less X-ray dose than
computed tomography (CT) but so far lacked the ability to relate its parameters to pulmonary …
computed tomography (CT) but so far lacked the ability to relate its parameters to pulmonary …
End-expiratory and tidal volumes measured in conscious mice using single projection x-ray images
SJ Lai-Fook, PK Houtz, YL Lai - Journal of Applied …, 2008 - journals.physiology.org
The evaluation of airway resistance (Raw) in conscious mice requires both end-expiratory
(Ve) and tidal volumes (Vt)(Lai-Fook SJ and Lai YL. J Appl Physiol 98: 2204–2218, 2005). In …
(Ve) and tidal volumes (Vt)(Lai-Fook SJ and Lai YL. J Appl Physiol 98: 2204–2218, 2005). In …