Results 41 to 50 of about 447,886 (300)

Bronchial wall measurements in patients after lung transplantation: evaluation of the diagnostic value for the diagnosis of bronchiolitis obliterans syndrome.

PLoS ONE, 2014
ObjectivesTo prospectively evaluate quantitative airway wall measurements of thin-section CT for the diagnosis of Bronchiolitis Obliterans Syndrome (BOS) following lung transplantation.Materials and methodsIn 141 CT examinations, bronchial wall thickness
Sabine Dettmer, Lars Peters, Claudia de Wall, Cornelia Schaefer-Prokop, Michael Schmidt, Gregor Warnecke, Jens Gottlieb, Frank Wacker, Hoen-oh Shin   +8 more
doaj   +1 more source

Oral dosing for antenatal corticosteroids in the Rhesus macaque. [PDF]

, 2019
Antenatal corticosteroids (ACS) are standard of care for women at risk of preterm delivery, although choice of drug, dose or route have not been systematically evaluated.
Bridges, James P, Clarke, Michael W, Jobe, Alan H, Kannan, Paranthaman S, Kemp, Matthew W, Milad, Mark, Miller, Lisa A, Schmidt, Augusto F   +7 more
core   +2 more sources

Lung volumes identify an at-risk group in persons with prolonged secondhand tobacco smoke exposure but without overt airflow obstruction. [PDF]

, 2018
IntroductionExposure to secondhand smoke (SHS) is associated with occult obstructive lung disease as evident by abnormal airflow indices representing small airway disease despite having preserved spirometry (normal forced expiratory volume in 1 s-to ...
Arjomandi, Mehrdad, Blanc, Paul D, Bos, Bruce, Elicker, Brett, Geerts, Jeroen, Gold, Warren M, Keene, Jason, Stiner, Rachel K, van Koeverden, Ian, Zeng, Siyang   +9 more
core   +2 more sources

Respiratory Function in Healthy Taiwanese Infants: Tidal Breathing Analysis, Passive Mechanics, and Tidal Forced Expiration. [PDF]

PLoS ONE, 2015
Although infant lung function (ILF) testing is widely practiced in developed Western countries it is not typically performed in Eastern countries, and lung measurements are scarce for Asian infants.
Shen-Hao Lai, Sui-Ling Liao, Tsung-Chieh Yao, Ming-Han Tsai, Man-Chin Hua, Kuo-Wei Yeh, Jing-Long Huang   +6 more
doaj   +1 more source

Measuring surface-area-to-volume ratios in soft porous materials using laser-polarized xenon interphase exchange NMR

, 2001
We demonstrate a minimally invasive nuclear magnetic resonance (NMR) technique that enables determination of the surface-area-to-volume ratio (S/V) of soft porous materials from measurements of the diffusive exchange of laser-polarized 129Xe between gas ...
Butler J P, Butler J P, Callaghan P T, D Hoffmann, Eger E I, G P Topulos, Helmer K G, Hirokawa B, J P Butler, Jost W, M I Hrovat, Petty T L, R A Rogers, R L Walsworth, R W Mair, Rogers R A, S Patz, Stejskal E O, Suzuki S, Tanner J E, Weibel E R, Weibel E R, Wong P Z   +22 more
core   +1 more source

Quantification of Pulmonary Arterial Wall Distensibility Using Parameters Extracted from Volumetric Micro-CT Images [PDF]

, 1999
Stiffening, or loss of distensibility, of arterial vessel walls is among the manifestations of a number of vascular diseases including pulmonary arterial hypertension.
Dawson, Christopher A, Johnson, Roger H., Karau, Kelly Lynn, Molthen, Robert C.   +3 more
core   +2 more sources

Lung volumes and airway resistance in patients with a possible restrictive pattern on spirometry

Jornal Brasileiro de Pneumologia
Objective: Many patients with proportional reductions in FVC and FEV1 on spirometry show no reduction in TLC. The aim of this study was to evaluate the role that measuring lung volumes and airway resistance plays in the correct classification of patients
Kenia Schultz, Luiz Carlos D'Aquino, Maria Raquel Soares, Andrea Gimenez, Carlos Alberto de Castro Pereira   +4 more
doaj   +1 more source

After-Effects of Thixotropic Maneuvers on Chest Wall and Compartmental Operational Volumes of Healthy Subjects Using Optoelectronic Plethysmography

Frontiers in Physiology, 2019
The volumes assessed by optoelectronic plethysmography (OEP) and based on a three-compartmental model provide an accurate breath-by-breath index of expiratory and inspiratory (ribcage muscles and diaphragm) muscle length.
Illia Nadinne Dantas Florentino Lima, Illia Nadinne Dantas Florentino Lima, Antonio Sarmento, Antonio Sarmento, Maria Clara Goes, Maria Clara Goes, Enrico Mazzuca, Antonella Lomauro, W. Darlene Reid, W. Darlene Reid, Andrea Aliverti, Guilherme Augusto De Freitas Fregonezi, Guilherme Augusto De Freitas Fregonezi   +12 more
doaj   +1 more source

Noninvasive assessment of inspiratory muscle neuromechanical coupling during inspiratory threshold loading [PDF]

, 2019
Diaphragm neuromechanical coupling (NMC), which reflects the efficiency of conversion of neural activation to transdiaphragmatic pressure (Pdi), is increasingly recognized to be a useful clinical index of diaphragm function and respiratory mechanics in ...
Estrada Petrocelli, Luis Carlos, Jané Campos, Raimon, Jolley, J, Lozano García, Manuel, Moxham, John, Rafferty, Gerrard F., Torres Cebrián, Abel   +6 more
core   +2 more sources

Measurement of absolute lung volumes by imaging techniques [PDF]

European Respiratory Journal, 1997
In this paper, the techniques available for estimating total lung capacities from standard chest radiographs in children and infants as well as adults are reviewed. These techniques include manual measurements using ellipsoid and planimetry techniques as well as computerized systems.
openaire   +2 more sources