[PDF] Top 20 Use of the forced-oscillation technique to estimate spirometry values
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Use of the forced-oscillation technique to estimate spirometry values
... linear regression analysis was used to identify parameters predictive of VC, FVC, and FEV 1 , with age, sex, height, body weight, R5, R20, X5, Fres, and ALX included as independent variables. The bias of the equations ... See full document
10
Use of a within-breath forced oscillation technique - Development and clinical applications
... 8.2.2 Laryngectomized Patients 11 laryngectomized patients were studied (3 females, 8 males) . With the exception of one female, all were ex-smokers. Only 3 had undergone pre operative spirometry which had shown ... See full document
281
Evaluating the forced oscillation technique in the detection of early smoking-induced respiratory changes
... The Forced Oscillation Technique (FOT) offers a simple and detailed approach to investigate the mechanical prop- erties of the respiratory ...no forced expiratory ...to spirometry ... See full document
10
Effects of indacaterol versus tiotropium on respiratory mechanics assessed by the forced oscillation technique in patients with chronic obstructive pulmonary disease
... , forced vital capacity (FVC), maximum midexpiratory flow rate (MMF), maxi- mum expiratory flow rate at 50% FVC (V 50 ) and 25% FVC (V 25 ), and the inspiratory capacity were measured using an electric spirometer ... See full document
8
Evaluating Small Airways Disease in Asthma and COPD using the Forced Oscillation Technique and Magnetic Resonance Imaging
... itself in obstructive lung disease. Despite these limitations, we observed significant correlations between measured and model-predicted impedance for the small airways which is important for further model development. ... See full document
149
Comparison of a micro-electro-mechanical system airflow sensor with the pneumotach in the forced oscillation technique
... To our knowledge, this study represents the first description using a thin-film MEMS device for FOT. We are continuing to develop home-based FOT devices that will be useful for patients with labile obstructive lung ... See full document
8
Association between respiratory impedance measured by forced oscillation technique and exacerbations in patients with COPD
... AUC values were higher in Xrs, particularly X5 and Fres, than in Rrs, indicating that Xrs is more closely associated with exacerbation-prone phenotype of COPD than ... See full document
11
Receiver operating characteristics of impulse oscillometry parameters for predicting obstructive sleep apnea in preobese and obese snorers
... the forced- oscillation technique (FOT) increased with a decrease in oscillatory frequency in patients with upper-airway obstruc- tion; Also, this patients was showed a decrease in respira- tory ... See full document
14
Predictors of expiratory flow limitation measured by forced oscillation technique in COPD
... that is applicable to resting conditions or daily activities. Thirdly, it can be performed under different breathing conditions, such as deep expiration, and so provides infor- mation about the mechanical properties of ... See full document
8
Impact of exacerbations on respiratory system impedance measured by a forced oscillation technique in COPD: a prospective observational study
... Background: Forced oscillation technique (FOT) has been reported to be useful in the evaluation and management of obstructive lung disease, including ... See full document
8
<p>Differences Between Central Airway Obstruction and Chronic Obstructive Pulmonary Disease Detected with the Forced Oscillation Technique</p>
... Background: Obstructive ventilatory disturbances occur in both chronic obstructive pul- monary disease (COPD), a typical disease representative of peripheral airway obstruction, and central airway obstruction (CAO). ... See full document
10
Forced oscillation technique for early detection of the effects of smoking and COPD: contribution of fractional-order modeling
... We hypothesized that modeling the respiratory impedance measurements using a FrOr model may offer a more sensitive indicator of the initial changes in respiratory mechanics, pro- viding an additional tool to diagnose ... See full document
15
<p>Comparison of impedance measured by the forced oscillation technique and pulmonary functions, including static lung compliance, in obstructive and interstitial lung disease</p>
... Values in the text, tables, and fi gures are shown as the means ± SEM. The Mann – Whitney U test was used for comparison of various parameters among groups. Spearman ’ s rank correlation coef fi cient was used for ... See full document
10
Accuracy of forced oscillation technique to assess lung function in geriatric COPD population
... For continuous parametric data, values were expressed as mean ± standard error of mean unless stated otherwise. Comparison between two continuous variables was done by correlation test and expressed as Spearman ... See full document
14
Forced oscillations and respiratory system modeling in adults with cystic fibrosis
... The Forced Oscillation Technique (FOT) offers a simple and detailed approach to investigate the mechanical properties of the respiratory system and represents the current state-of-the-art assessment ... See full document
18
Forced oscillation assessment of respiratory mechanics in ventilated patients
... The values of R rs and X rs provided by FOT can be compared with the resistance and elastance indices derived from the applica- tion of the airway occlusion technique, which has been used extensively to ... See full document
7
A study on the use of perturbation technique for analyzing the nonlinear forced response of piezoelectric microcantilevers
... In this paper, a comparison was made between direct and indirect perturbation approaches for solving the non-linear vibration equations of a piezoelectrically actuated cantilever microbeam. In this comparison, the ... See full document
12
Assessment of airway hyperreactivity: comparison of forced spirometry and body plethysmography for methacholine challenge tests
... Specific airway resistance (sRaw), specific conductance (sGaw), airway resistance (Raw), conductance (Gaw) and intrathoraxic gas volume (ITGV) were recorded by body plethysmography (MasterScreen Body, Cardi- nal Health, ... See full document
7
Forced oscillation of certain fractional differential equations
... The Riemann-Liouville fractional derivatives played an important role in the develop- ment of the theory of fractional derivatives and integrals and for their applications in pure mathematics. But it turns out that the ... See full document
10
NOSE CLIP IN SPIROMETRY TO USE OR NOT TO USE?
... that use of nose clip did not affect the values of spirogram ...the use of nose clip only for research protocol and not for routine clinical ... See full document
7
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