Computed tomography ventilation imaging in lung cancer: theory, validation and application

BA Tahir - … Systems in Lung Cancer and Imaging, Volume 1, 2022 - iopscience.iop.org
changes in lung density and volume between inflation levels are due solely to the influx of air
whilst regional tissue and blood volume … session and couch as PET, inherent discrepancies …

Exploring alveolar recruitability using positive end-expiratory pressure in mice overexpressing TGF-β1: a structure–function analysis

F Roeder, T Röpke, LK Steinmetz, M Kolb, UA Maus… - Scientific Reports, 2024 - nature.com
… found in the dependent lung regions while stable alveoli are … opening pressures in an animal
model of lung injury. Injury … 30 cmH 2 O and was then kept stable for 3 s (= deep inflation)…

Hemoglobin concentration and blood shift during dry static apnea in elite breath hold divers

T Kjeld, TO Krag, A Brenøe, AM Møller… - Frontiers in …, 2024 - frontiersin.org
… DXA-scan (participant 2) with manually drawn regions in the … In our study we demonstrated
that blood volume expelled … observed in a cardiac MRI animal study of cardiac arrest and as …

Limiting overdistention or collapse when mechanically ventilating injured lungs: A randomized study in a porcine model

MLA Sousa, BH Katira, S Bouch, V Hsing… - American Journal of …, 2024 - atsjournals.org
study was to compare, in an animal model of recruitable lungdensity between dependent
and nondependent regions in … , the lungs were fixed at a pressure that produces inflation to …

MR Perfusion Imaging of the Lung

FU Kay, AJ Madhuranthakam - Magnetic Resonance Imaging …, 2024 - mri.theclinics.com
… by research utilizing high-resolution imaging in animal … Assessing regional pulmonary
perfusion presents distinct … /cm 3 , the average lung density is substantially lower, at approximately …

Mechanical ventilation decreases tidal volume heterogeneity but increases heterogeneity in end-expiratory volumes

M Preissner, Y Song, D Trevascus… - Journal of Applied …, 2023 - journals.physiology.org
… the overall change in tidal volume for the whole lung after 2 … quantified distribution of regional
lung volumes to assess 180 … density distributions for the voxel-level values of the regional

Dynamic relative regional lung strain estimated by electrical impedance tomography in an experimental model of ARDS

E Gogniat, M Madorno, PO Rodriguez, J Dianti… - Respiratory …, 2022 - rc.rcjournal.com
… Many animal studies described in detail such … of 15 cm H 2 O because under this condition
lung collapse was minimized… . Tidal hyperinflation during low tidal volume ventilation in acute …

Prone position in ARDS patients: why, when, how and for whom

C Guérin, RK Albert, J Beitler, L Gattinoni, S Jaber… - Intensive care …, 2020 - Springer
… large animal studies demonstrated clear lung protective effects of … lessens heterogeneity of
regional lung strain and decreases … to contribute to regional hyperinflation with proning [40]. …

Individualized positive end-expiratory pressure and regional gas exchange in porcine lung injury

T Muders, H Luepschen, T Meier, AW Reske… - …, 2020 - pubs.asahq.org
… , extravascular lung water, and intrathoracic blood volumelung regions that are lately
ventilated during a slow inflation … Based on experiences with other animal model studies using …

Fractal analysis reveals functional unit of ventilation in the lung

S Bayat, L Broche, L Degrugilliers… - The Journal of …, 2021 - Wiley Online Library
… Actual lung inflation starts between the 1 s and 4 s images, … both Xe and tissue density, are
shown for each animal in Fig. … the fractal nature of regional lung ventilation distribution results …