Results 61 to 70 of about 773,643 (383)

Geographic Differences in Availability and Access to Care Services for Asthma and COPD: Case Study of Vancouver Coastal Health, British Columbia

Canadian Respiratory Journal
Conclusion: Our findings suggest rural VCH communities have lower access to asthma and COPD care services and the limited urban care services were insufficient to make up for this difference.
Amelia Choy, Erin M. Shellington, Aneisha Collins-Fairclough, Nardia Strydom, Chris Carlsten   +4 more
doaj   +1 more source

Modelling Airway Geometry as Stock Market Data using Bayesian Changepoint Detection [PDF]

In Lecture Notes in Computer Science, vol 11861. (2019) Springer, Cham, 2019
Numerous lung diseases, such as idiopathic pulmonary fibrosis (IPF), exhibit dilation of the airways. Accurate measurement of dilatation enables assessment of the progression of disease. Unfortunately the combination of image noise and airway bifurcations causes high variability in the profiles of cross-sectional areas, rendering the identification of ...
arxiv   +1 more source

Role of inflammatory cells in airway remodeling in COPD

International Journal of COPD, 2018
COPD is characterized by chronic bronchitis, chronic airway obstruction, and emphysema, leading to a progressive and irreversible decline in lung function. Inflammation is central for the development of COPD.
Yujie Wang, Jiayan Xu, Y. Meng, I. Adcock, X. Yao   +4 more
semanticscholar   +1 more source

An Optoelectrically Switched, Dual‐Mode Neuromorphic Sensor for Transient and Accumulative Gas Detection

Advanced Functional Materials, EarlyView.
A transistor‐type carbon nanotube gas sensor with dual‐mode detection capability has been proposed. By simply adjusting the gate voltage and UV illumination, this sensor enables both real‐time detection and accumulation‐based sensing of toxic gases within a single device, providing a compact and adaptable platform for environmental monitoring ...
Jaewon Shin, Young‐Woo Jang, Seung‐Han Kang, Jeong‐Wan Jo, Jong Wook Shin, Yong‐Hoon Kim, Sung Kyu Park, Sung Woon Cho   +7 more
wiley   +1 more source

Efficacy of the exhalation delivery system with fluticasone in patients with chronic rhinosinusitis with nasal polyps whose symptoms recur after sinus surgery

International Forum of Allergy &Rhinology, Volume 13, Issue 1, Page 31-41, January 2023., 2023
Abstract Background Sinus surgery removes inflamed tissue, restores airflow, and improves delivery of medication into surgically opened spaces. The exhalation delivery system with fluticasone (EDS‐FLU; XHANCE®) uses a novel delivery system to create closed‐palate, positive‐pressure, bidirectional mechanics that significantly alter the deposition of the
Randall A. Ow, Zachary M. Soler, Raj Sindwani, Donald A. Leopold, Jivianne T. Lee, Ramy A. Mahmoud, Joseph K. Han   +6 more
wiley   +1 more source

Structure and position-aware graph neural network for airway labeling [PDF]

arXiv, 2022
We present a novel graph-based approach for labeling the anatomical branches of a given airway tree segmentation. The proposed method formulates airway labeling as a branch classification problem in the airway tree graph, where branch features are extracted using convolutional neural networks (CNN) and enriched using graph neural networks.
arxiv  

Restoring Cystic Fibrosis Transmembrane Conductance Regulator Function Reduces Airway Bacteria and Inflammation in People with Cystic Fibrosis and Chronic Lung Infections

American Journal of Respiratory and Critical Care Medicine, 2017
Rationale: Previous work indicates that ivacaftor improves cystic fibrosis transmembrane conductance regulator (CFTR) activity and lung function in people with cystic fibrosis and G551D‐CFTR mutations but does not reduce density of bacteria or markers of
K. B. Hisert, S. Heltshe, C. Pope, P. Jorth, Xia Wu, R. M. Edwards, M. Radey, F. Accurso, D. Wolter, G. Cooke, Ryan J Adam, S. Carter, B. Grogan, J. Launspach, S. Donnelly, C. Gallagher, J. Bruce, D. Stoltz, M. Welsh, L. Hoffman, E. McKone, Pradeep K. Singh   +21 more
semanticscholar   +1 more source

Upper Airway Control in Airway Defense [PDF]

Acta Medica Martiniana, 2016
Abstract Upper airways (UA) are an organic component of the respiratory tract, they serve to respiration, respiratory tract protection and defense, phonation, deglutition, etc. The functions of UA are regulated by motor control of the oral, pharyngeal, and laryngeal muscles.
Jan Jakus, V Calkovsky, Ivan Poliacek, Michal Simera   +3 more
openaire   +3 more sources

β‐1,3 Glucan Microparticles & Nanoparticles: Fabrication Methods & Applications in Immunomodulation & Targeted Drug Delivery

Advanced Healthcare Materials, EarlyView.
Beta‐glucans have gained significant attention as an immunomodulatory biomaterial with cell‐targeting capabilities. This review comprehensively outlines the design and fabrication methods for producing beta‐glucan particles at both the micro and nanoscale and their applications in immune cell targeting, immunomodulation, and drug delivery ...
Nate Dowdall, Todd Hoare
wiley   +1 more source

Extraction of Pulmonary Airway in CT Scans Using Deep Fully Convolutional Networks [PDF]

arXiv, 2022
Accurate, automatic and complete extraction of pulmonary airway in medical images plays an important role in analyzing thoracic CT volumes such as lung cancer detection, chronic obstructive pulmonary disease (COPD), and bronchoscopic-assisted surgery navigation.
arxiv