[PDF] Top 20 Exhaled particles and small airways
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Exhaled particles and small airways
... studied exhaled particle concentrations and size distributions at the mouth using a new investigation ...a small wind tunnel, into which participants could place their heads (see ...measured ... See full document
14
Unsteady Flow Of A Dust Particles Through Human Airways: Effects Of Uniform Magnet
... dust particles are small, their influence and the fluid flow is reduced, and in the limit as the fluid becomes ordinary ...dust particles than on their ...concentrate particles at its center ... See full document
6
Numerical Simulation of Transport and Deposition of Dust Particles in Human Tracheobronchial Airways
... dust particles in different regional zones (see Figure 1b) of the tracheobronchial model is presented in table 1 and Figure ...dust particles 11007particles escaped from the airway model and 7393 ... See full document
8
Associations of AMP and adenosine induced dyspnea sensation to large and small airways dysfunction in asthma
... as small as ...the small peripheral airways to a larger extent compared to nebulized AMP, especially when inhaled at a low flow ...the small airways specif- ically, without a dose ... See full document
9
Dysfunctional lung anatomy and small airways degeneration in COPD
... of small conducting airways and ...in small airways owing to their granulometry, being composed of 3–5 µ m particles which deposit mostly in the large ...distal airways in COPD ... See full document
7
Small airways diseases, excluding asthma and COPD: an overview
... in exhaled breath have been correlated with airway neutrophilia in subjects with BOS, but their sensitivity is lower than SBNW ...[116]. Exhaled breath condensates, induced sputum, bronchoalveolar lavage, ... See full document
17
Development of a tool to recognize small airways dysfunction in asthma (SADT)
... Patients with SAD also reported more frequently symp- toms of BHR to exercise, allergens and weather changes (domains 4, 5 and 6). This is compatible with earlier stud- ies on BHR showing that hyperresponsiveness is ... See full document
8
The role of small airways in obstructive airway diseases
... with small- and large-particle AMP provocations, small- particle ICS ciclesonide improved hyperresponsiveness only with small particle size AMP, and fluticasone only with large particle size ... See full document
11
Surfactant Protein A in particles in exhaled air (PExA), bronchial lavage and bronchial wash - a methodological comparison
... too small to directly be recognized by alveo- lar macrophages and dendritic ...with small airway involvement, SP-A concentrations were lower, suggesting its importance to identify a specific sub-phenotype ... See full document
6
The pathology of small airways disease in COPD: historical aspects and future directions
... noxious particles, resulting in persistent airflow limitation and symptoms including dyspnoea, cough and sputum production ...peripheral airways means that particles can more easily collide with the ... See full document
11
Long-term clearance from small airways in subjects with ciliary dysfunction
... inhaled particles was to a large extent in the small ...very small differ- ences between the PCD subjects and the healthy controls (Figure 1), even if there was a difference in FEV 1 and air- way ... See full document
9
Micro Particles Transport and Deposition in Realistic Geometry of Human Upper Airways
... upper airways from the mouth to the end of the trachea was reconstructed by implementing the CT-Scan images of a male ...upper airways, the Reynolds stress transport turbulence model was used in these ... See full document
8
Substance deposition assessment in obstructed pulmonary system through numerical characterization of airflow and inhaled particles attributes
... to small airways dysfunction ...water particles, which are denoted as im- portant etiological factors ...respiratory airways can be ...the particles characteristics [13 – 16] by taking ... See full document
20
Ambient and Microenvironmental Particles and Exhaled Nitric Oxide Before and After a Group Bus Trip
... 2002; Nickmilder et al. 2003; Steerenberg et al. 2001, 2003; van Amsterdam et al. 1999). Our lack of associations may be attrib- utable to the poor correlation in this data set between ambient gases and microenviron- ... See full document
7
Deposition of charged nano particles in the human airways including effects from cartilaginous rings
... The morphology of the human respiratory airways of the human lung is represented by a system of branching tubes where each tube belongs to a certain generation [3]. The first tube labeled generation zero (G0) is a ... See full document
5
Higher Levels of Exhaled Dimethylcyclopropane in Patients with Small Intestinal Bowel Overgrowth, Periodontitis when Associated with a Medical History of Cancer
... (2018) Higher Levels of Exhaled Dimethylcyclopropane in Patients with Small Intestinal Bowel Overgrowth, Periodontitis when Associated with a Medical History of Cancer.. This is an ope[r] ... See full document
7
Possible role of Krüppel-like factor 5 in the remodeling of small airways and pulmonary vessels in chronic obstructive pulmonary disease
... control subjects. KLF5 was mainly expressed in the sub- mucosal fibroblasts of small airways and the cells of pul- monary vessels. The expression levels were well correlated with the severity of the airflow ... See full document
13
The pressure gradient in the human respiratory tract
... Understanding of the mechanism of the breathing is important for the prevention of the diseases and also for determine the method of the treatment that can cure these diseases. For this purpose it is necessary to have ... See full document
6
Small airways disease: time for a revisit?
... of small airways is an early event pre- ceding the development of ...of small airways disease and accurately quantify ...to small airways ... See full document
11
Translocation of particles deposited in the respiratory system: a systematic review and statistical analysis
... among particles whose diameters were B100 nm, and plastics and silica were popular among particles of [ 100 ...where particles were detected, there were 9 reports for the brain, 7 reports for the ... See full document
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