Forced Oscillation Technique
Mostrando 1-12 de 24 artigos, teses e dissertações.
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1. Correlations between forced oscillation technique parameters and pulmonary densitovolumetry values in patients with acromegaly
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
Braz J Med Biol Res. Publicado em: 04/08/2015
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2. Within-breath respiratory impedance and airway obstruction in patients with chronic obstructive pulmonary disease
OBJECTIVE: Recent work has suggested that within-breath respiratory impedance measurements performed using the forced oscillation technique may help to noninvasively evaluate respiratory mechanics. We investigated the influence of airway obstruction on the within-breath forced oscillation technique in smokers and chronic obstructive pulmonary disease patien
Clinics. Publicado em: 2015
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3. Oscillation mechanics of the respiratory system in never-smoking patients with silicosis: pathophysiological study and evaluation of diagnostic accuracy
OBJECTIVES: Silicosis is a chronic and incurable occupational disease that can progress even after the cessation of exposure. Recent studies suggest that the forced oscillation technique may help to clarify the changes in lung mechanics resulting from silicosis as well as the detection of these changes. We investigated the effects of airway obstruction in s
Clinics. Publicado em: 2013-05
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4. Contrasting diagnosis performance of forced oscillation and spirometry in patients with rheumatoid arthritis and respiratory symptoms
OBJECTIVES: Pulmonary involvement in rheumatoid arthritis is directly responsible for 10% to 20% of all mortality. The best way to improve the prognosis is early detection and treatment. The forced oscillation technique is easy to perform and offers a detailed exam, which may be helpful in the early detection of respiratory changes. This study was undertaken
Clinics. Publicado em: 2012-09
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5. O uso da Técnica de Oscilações Forçadas na análise da mecânica ventilatória de indivíduos portadores de silicose classificados em diferentes graus de obstrução / Using the forced oscillation technique in the analysis of mechanical ventilation in individuals with silicosis classified into different degrees of obstruction
O termo silicose refere-se ao processo de fibrose pulmonar causado pela inalação de poeira contendo sílica. É uma doença ocupacional, incurável, que se inicia nas vias aéreas distais e pode progredir independente do término da exposição. Os testes de função pulmonar, apesar de não serem utilizados como ferramenta diagnóstica para silicose, são
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 30/03/2011
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6. Severity classification for idiopathic pulmonary fibrosis by using fuzzy logic
OBJECTIVE: To set out a severity classification for idiopathic pulmonary fibrosis (IPF) based on the interaction of pulmonary function parameters with high resolution computed tomography (CT) findings. INTRODUCTION: Despite the contribution of functional and radiological methods in the study of IPF, there are few classification proposals for the disease base
Clinics. Publicado em: 2011
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7. Total inspiratory and expiratory impedance in patients with severe chronic obstructive pulmonary disease
OBJECTIVES: Several studies have confirmed the high potential of the forced oscillation technique for the assessment of respiratory modifications related to chronic obstructive pulmonary disease. However, most of these studies did not employ within-breath analyses of the respiratory system. The aim of this study is to analyze respiratory impedance alteration
Clinics. Publicado em: 2011
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8. Forced oscillation technique in the detection of smoking-induced respiratory alterations: diagnostic accuracy and comparison with spirometry
INTRODUCTION: Detection of smoking effects is of utmost importance in the prevention of cigarette-induced chronic airway obstruction. The forced oscillation technique offers a simple and detailed approach to investigate the mechanical properties of the respiratory system. However, there have been no data concerning the use of the forced oscillation technique
Clinics. Publicado em: 2010
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9. Condições mecânicas do sistema respiratório em adultos com fibrose cística: estudo pela espirometria, pletismografia e técnica de oscilações forçadas / Mechanics conditions of respiratory system in adults with systic bibrosis: study by spirometry, plethysmography and forced oscillation technique
A fibrose cística (FC) é a doença autossômica recessiva mais comum na população branca que leva à redução na expectativa de vida. A doença pulmonar é a maior causa de morbidade e mortalidade. A relevância do presente estudo se dá diante de alguns fatores: aumento drástico da sobrevida média nos últimos 60 anos na FC, a fisiopatologia pulmonar
Publicado em: 2010
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10. Análise das alterações de mecânica respiratória e da resposta broncodilatadora em crianças asmáticas por meio da Técnica de oscilações Forçadas / Analysis of changes in respiratory machanics and bronchodilator response in asthmatic children by Forced Oscilations Technique
O aprofundamento de nosso conhecimento acerca das alterações da mecânica respiratória e da resposta ao uso do broncodilatador em crianças com asma pode contribuir para o melhor entendimento desta doença. A técnica de oscilações forçadas (FOT) apresenta elevado potencial neste sentido, pois permite uma avaliação detalhada da mecânica respiratóri
Publicado em: 2010
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11. Técnica de oscilações forçadas monofrequência na análise em tempo real das alterações mecânicas ao longo do ciclo respiratório de asmáticos com diferentes níveis de obstrução ao fluxo aéreo / Forced oscillation technique monofrequencia in real-time analysis of changes to mechanical cycle of respiratory asthmatics with diferent levels of arflow obstructions
A análise da mecânica respiratória em tempo real pela Técnica de OscilaçõesForçadas (FOT) Monofrequência é de interesse nos estudos clínicos e diagnósticos de doenças respiratórias. Entretanto, ainda é escassa a análise de asmáticos com esta técnica. O presente trabalho avalia a contribuição da FOT monofrequência na análise das alteraç�
Publicado em: 2010
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12. Influence of the ageing process on the resistive and reactive properties of the respiratory system
INTRODUCTION: In an increasingly old society, the study of the respiratory system changes and new techniques dedicated to older patients are of interest in physiologic studies as well as in the diagnosis of respiratory diseases. OBJECTIVES: (1) To investigate the impact of ageing on the resistive and reactive properties of the respiratory system, and (2) to
Clinics. Publicado em: 2009-11