Forced Oscillation Technique FOT
Resistance of the respiratory system measured with forced oscillation technique (FOT) correlates with bronchial thermoplasty response
... and FOT measurements were performed both before and after ad- ministration of 400 μg ...salbutamol. FOT was performed in an upright position with the Resmon Pro device using a pseudorandom noise signal ...
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Different effects of deep inspirations on central and peripheral airways in healthy and allergen-challenged mice
... using Forced Oscillation Technique ...the forced oscillatory maneuver the ventilator piston delivers 19 superimposed sinusoidal frequencies, ranging from ...
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Prediction equations of forced oscillation technique: the insidious role of collinearity
... a forced expiratory maneuver cannot be successfully achieved, such as in young children ...The forced oscillation technique (FOT), used in children, mea- sures, at different ...
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Combined forced oscillation and forced expiration measurements in mice for the assessment of airway hyperresponsiveness
... using forced oscillation with volumes less than tidal volume. Forced expiratory manoeuvres have also been used to successfully assess airway hyperresponsiveness in the mouse [7-11] and rat ...rapid ...
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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 ...that FOT can ...
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Predictors of expiratory flow limitation measured by forced oscillation technique in COPD
... Tidal expiratory flow limitation (EFL) occurs when an increase in transpulmonary pressure causes no increase in resting expiratory flow. This phenomenon is common in patients with severe COPD and is a major determinant ...
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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- ...
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Effects of indacaterol versus tiotropium on respiratory mechanics assessed by the forced oscillation technique in patients with chronic obstructive pulmonary disease
... The forced oscillation technique (FOT) can measure respiratory mechanics and has attracted attention in chronic obstructive pulmonary disease ...multifrequency FOT with MostGraph-01 ...
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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 ...of FOT has not been ...
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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 ...
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Accuracy of forced oscillation technique to assess lung function in geriatric COPD population
... that FOT might have a role in the assessment of the severity of airflow limitation in geriatric patients, especially in those elderly patients who have difficulty in performing conventional ...
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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 ...
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Evaluating Small Airways Disease in Asthma and COPD using the Forced Oscillation Technique and Magnetic Resonance Imaging
... Computational models are used to study biomechanical properties of the lung and the relationships between lung structure and function. 15-17 Modeling studies are advantageous in that they allow the researcher to specify ...
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Comparison of a micro-electro-mechanical system airflow sensor with the pneumotach in the forced oscillation technique
... We have measured frequency responses of the pneu- motach used in this study and several thin-film probes with different geometries by sweeping the frequency delivered by the speaker from 2 to 250 Hz over a time of 30 ...
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Association between respiratory impedance measured by forced oscillation technique and exacerbations in patients with COPD
... by FOT (Mostgraph-01, Chest MI, Inc., Tokyo, Japan) in all subjects. All FOT assessments were performed by skilled clinical laboratory ...technicians. FOT was performed before spirometry in all ...
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Forced oscillation assessment of respiratory mechanics in ventilated patients
... basic FOT set-up shown in ...of oscillation generator, the procedure for measuring pressure and flow, and the type of oscillatory signal employed to measure R rs and X rs ...the forced ...
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<p>Differences Between Central Airway Obstruction and Chronic Obstructive Pulmonary Disease Detected with the Forced Oscillation Technique</p>
... multi-frequency FOT device (MostGraph-01, Chest ...The FOT measurements were performed before the ...the FOT measurement, the frequency responses to the trans- ducer and pneumotachograph were ...
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Use of the forced-oscillation technique to estimate spirometry values
... generated by a loudspeaker at 0.25-second intervals were applied to the respiratory system through a mouthpiece during tidal breathing at rest. Mouth pressure and flow signals were measured, and the values of resistance ...
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<p>Comparison of impedance measured by the forced oscillation technique and pulmonary functions, including static lung compliance, in obstructive and interstitial lung disease</p>
... and further negative shift of reactance. 8 The treatment with beta-2-bronchodilator, can dilate peripheral airways, has been demonstrated to increase Xrs at low frequency and ƒ res by lung recruitment via the opening of ...
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Forced oscillation of second order differential equations with mixed nonlinearities
... second-order forced differential equations with mixed ...new oscillation theorems are presented that improve and complement those related results given in the ...
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