نتایج جستجو برای: forced oscillation technique

تعداد نتایج: 693752  

Journal: :Journal of Mathematical Analysis and Applications 1994

2016
Paula Morisco de Sá Hermano Albuquerque Castro Agnaldo José Lopes Pedro Lopes de Melo

BACKGROUND The current reference test for the detection of respiratory abnormalities in asbestos-exposed workers is spirometry. However, spirometry has several shortcomings that greatly affect the efficacy of current asbestos control programs. The forced oscillation technique (FOT) represents the current state-of-the-art technique in the assessment of lung function. This method provides a detai...

2016
Hoi Nam Tse Cee Zhung Steven Tseng King Ying Wong Kwok Sang Yee Lai Yun Ng

INTRODUCTION Performing lung function test in geriatric patients has never been an easy task. With well-established evidence indicating impaired small airway function and air trapping in patients with geriatric COPD, utilizing forced oscillation technique (FOT) as a supplementary tool may aid in the assessment of lung function in this population. AIMS To study the use of FOT in the assessment...

Journal: :BioMedical Engineering OnLine 2009
Alvaro CD Faria Agnaldo J Lopes José M Jansen Pedro L Melo

BACKGROUND Early detection of the effects of smoking is of the utmost importance in the prevention of chronic obstructive pulmonary disease (COPD). The forced oscillation technique (FOT) is easy to perform since it requires only tidal breathing and offers a detailed approach to investigate the mechanical properties of the respiratory system. The FOT was recently suggested as an attractive alter...

Journal: :Acta medica Iranica 2014
Morteza Bakhshesh Mansoor Keshavarz Alireza Imani Shahriar Gharibzadeh

Nasal mucosa has an extraordinary nerve supply with unique geometry that encompasses complex physiology. Among these, side-specific predilections to the respiratory and autonomic centers are the interesting issues that have been raised about the consequences of the nasal irritations. The aim of the study was an evaluation of how intranasal stimulation influences lung mechanics and determines wh...

2015
Bill Brashier Sundeep Salvi

Measuring lung function is an important component in the decision making process for patients with obstructive airways disease (OAD). Not only does it help in arriving at a specific diagnosis, but it also helps in evaluating severity so that appropriate pharmacotherapy can be instituted, it helps determine prognosis and it helps evaluate response to therapy. Spirometry is currently the most com...

Journal: :Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas 2015
G B Camilo A R S Carvalho D C Machado R Mogami L Kasuki M R Gadelha P L Melo A J Lopes

The aims of this study were to evaluate the forced oscillation technique (FOT) and pulmonary densitovolumetry in acromegalic patients and to examine the correlations between these findings. In this cross-sectional study, 29 non-smoking acromegalic patients and 17 paired controls were subjected to the FOT and quantification of lung volume using multidetector computed tomography (Q-MDCT). Comp...

Journal: :The European respiratory journal 2004
R L Dellacà P Santus A Aliverti N Stevenson S Centanni P T Macklem A Pedotti P M A Calverley

Expiratory flow limitation (EFL) during tidal breathing is a major determinant of dynamic hyperinflation and exercise limitation in chronic obstructive pulmonary disease (COPD). Current methods of detecting this are either invasive or unsuited to following changes breath-by-breath. It was hypothesised that tidal flow limitation would substantially reduce the total respiratory system reactance (...

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