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| Lopes,A.J.; Marinho,C.L.; Alves,U.D.; Gonçalves,C.E.A.; Silva,P.O.; Botelho,E.C.; Bedirian,R.; Soares,A.R.; Maioli,M.C.P.. |
| Sickle cell anemia (SCA) causes dysfunction of multiple organs, with pulmonary involvement as a major cause of mortality. Recently, there has been growing interest in the nitrogen single-breath washout (N2SBW) test, which is able to detect ventilation heterogeneity and small airway disease when the results of other pulmonary function tests (PFTs) are still normal. Thus, the objectives of the present study were to assess the heterogeneity in the ventilation distribution in adults with SCA and to determine the association between the ventilation distribution and the clinical, cardiovascular, and radiological findings. This cross-sectional study included 38 adults with SCA who underwent PFTs, echocardiography, computed tomography (CT), and 6-min walk test. To... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sickle cell anemia; Respiratory mechanics; Respiratory function tests; Ventilation; Exercise. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2017000800607 |
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| Firmida,M.C.; Pereira,R.H.V.; Silva,E.A.S.R.; Marques,E.A.; Lopes,A.J.. |
| The rate of diagnosis of colonization/infection of the airways with Achromobacter xylosoxidans has increased in cystic fibrosis patients, but its clinical significance is still controversial. This retrospective, case-control study aimed to evaluate the clinical impact of A. xylosoxidans colonization/infection in cystic fibrosis patients. Individuals who were chronically colonized/infected (n=10), intermittently colonized/infected (n=15), and never colonized/infected with A. xylosoxidans (n=18) were retrospectively evaluated during two periods that were 2 years apart. Demographic characteristics, clinical data, lung function, and chronic bacterial co-colonization data were evaluated. Of the total study population, 87% were pediatric patients and 65.1% were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cystic fibrosis; Achromobacter spp.; Achromobacter xylosoxidans; Microbiology. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2016000400703 |
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| Rufino,R.; Costa,C.H.; Lopes,A.J.; Maiworm,A.I.; Maynard,K.; Silva,L.M.R.A.; Dias,R.M.. |
| The aim of the present study was to provide new spirometry reference equations in a sample of the Brazilian population for the following parameters: forced vital capacity (FVC), forced expiratory volume in 1 second (FEV1), FEV1/FVC ratio, peak of expiratory flow (PEF), forced expiratory flow at 50% (FEF50%), 75% average vital capacity (FEF25-75%), and average forced expiratory flow time (FEFT). This was a prospective study using results from chest radiographs, electrocardiograms, and questionnaires to investigate the participants' respiratory symptoms, sedentarism, and comorbidities (Charlson comorbidity index). From December 2010 to July 2014, individuals were randomly selected from various locations in the state of Rio de Janeiro. All individuals were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Spirometry; Lung function test; Reference values; FVC; FEV1. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2017000300703 |
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| Camilo,G.B.; Carvalho,A.R.S.; Machado,D.C.; Mogami,R.; Kasuki,L.; Gadelha,M.R.; Melo,P.L.; Lopes,A.J.. |
| 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). Compared with the controls, the acromegalic patients had a higher value for resonance frequency [15.3 (10.9-19.7) vs 11.4 (9.05-17.6) Hz, P=0.023] and a lower value for mean reactance [0.32 (0.21-0.64) vs 0.49 (0.34-0.96) cm H2O/L/s2, P=0.005]. In inspiratory Q-MDCT, the acromegalic patients had higher percentages of total lung volume (TLV) for nonaerated and poorly aerated... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Acromegaly; Tomography; Respiratory function tests; Forced oscillation technique. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2015001000003 |
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| Lopes,A.J.; Menezes,S.L.S.; Dias,C.M.; Oliveira,J.F.; Mainenti,M.R.M.; Guimarães,F.S.. |
| Cardiopulmonary exercise testing (CPET) plays an important role in the assessment of functional capacity in patients with interstitial lung disease. The aim of this study was to identify CPET measures that might be helpful in predicting the vital capacity and diffusion capacity outcomes of patients with thoracic sarcoidosis. A longitudinal study was conducted on 42 nonsmoking patients with thoracic sarcoidosis (median age = 46.5 years, 22 females). At the first evaluation, spirometry, the measurement of single-breath carbon monoxide diffusing capacity (D LCOsb) and CPET were performed. Five years later, the patients underwent a second evaluation consisting of spirometry and D LCOsb measurement. After 5 years, forced vital capacity (FVC)% and D LCOsb% had... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sarcoidosis; Exercise; Respiratory function tests; Respiratory mechanics. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2012000300012 |
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