Brazilian Journal of Pulmonology

ISSN (on-line): 1806-3756 | ISSN (printed): 1806-3713


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Comparing the accuracy of predictors of mortality in ventilator-associated pneumonia

Comparação da acurácia de preditores de mortalidade na pneumonia associada à ventilação mecânica

Renato Seligman, Beatriz Graeff Santos Seligman, Paulo José Zimermann Teixeira

J Bras Pneumol.2011;37(4):495-503

Abstract PDF PT PDF EN Portuguese Text

Objective: Levels of procalcitonin, midregional pro-atrial natriuretic peptide (MR-proANP), C-terminal provasopressin (copeptin), and C-reactive protein (CRP), as well as Sequential Organ Failure Assessment (SOFA) scores, are associated with severity and described as predictors of outcome in ventilator-associated pneumonia (VAP). This study sought to compare the predictive value of these biomarkers for mortality in VAP. Methods: An observational study of 71 patients with VAP. Levels of procalcitonin, MR-proANP, copeptin, and CRP, together with SOFA scores, were determined at VAP onset, designated day 0 (D0), and on day 4 of treatment (D4). Patients received empirical antimicrobial therapy, with modifications based on culture results. Patients who died before D28 were classified as nonsurvivors. Results: Of the 71 patients evaluated, 45 were classified as survivors. Of the 45 survivors, 35 (77.8%) received appropriate antimicrobial therapy, compared with 18 (69.2%) of the 26 nonsurvivors (p = 0.57). On D0 and D4, the levels of all biomarkers (except CRP), as well as SOFA scores, were lower in eventual survivors than in eventual nonsurvivors. For D0 and D4, the area under the ROC curve was largest for procalcitonin. On D0, MR-proANP had the highest positive likelihood ratio (2.71) and positive predictive value (0.60), but procalcitonin had the highest negative predictive value (0.87). On D4, procalcitonin had the highest positive likelihood ratio (3.46), the highest positive predictive value (0.66), and the highest negative predictive value (0.93). Conclusions: The biomarkers procalcitonin, MR-proANP, and copeptin can predict mortality in VAP, as can the SOFA score. Procalcitonin alone has the greatest predictive power for such mortality.


Keywords: Pneumonia, ventilator-associated/mortality; Biological markers/analysis; Health Status Indicators.


Comparison between azithromycin and amoxicillin in the treatment of infectious exacerbation of chronic obstructive pulmonary disease

Comparação entre a azitromicina e a amoxicilina no tratamento da exacerbação infecciosa da doença pulmonar obstrutiva crônica

Mara Rúbia Andre-Alves, José Roberto Jardim, Rodney Frare e Silva, Elie Fiss, Denison Noronha Freire, Paulo José Zimermann Teixeira

J Bras Pneumol.2007;33(1):43-50

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Objective: To compare the efficacy, safety, and tolerability of azithromycin and amoxicillin in the treatment of patients with infectious exacerbation of chronic obstructive pulmonary disease. Methods: This study was conducted at six medical centers across Brazil and included 109 patients from 33 to 82 years of age. Of those, 102 were randomized to receive either azithromycin (500 mg/day for three days, n = 49) or amoxicillin (500 mg every eight hours for ten days, n = 53). The patients were evaluated at the study outset, on day ten, and at one month. Based on the clinical evaluation of the signs and symptoms present on day ten and at one month, the outcomes were classified as cure, improvement, or treatment failure. The microbiological evaluation was made through the culture of sputum samples that were considered appropriate samples only after leukocyte counts and Gram staining. Secondary efficacy evaluations were made in order to analyze symptoms (cough, dyspnea, and expectoration) and pulmonary function. Results: There were no differences between the groups treated with azithromycin or amoxicillin in terms of the percentages of cases in which the outcomes were classified as cure or improvement: 85% vs. 78% (p = 0.368) on day ten; and 83% vs. 78% (p = 0.571) at one month. Similarly, there were no significant differences between the two groups in the secondary efficacy variables or the incidence of adverse effects. Conclusion: Azithromycin and amoxicillin present similar efficacy and tolerability in the treatment of acute exacerbation of chronic obstructive pulmonary disease.


Keywords: Amoxicillin/therapeutic use; Azithromycin/therapeutic use; Bronchitis, chronic/drug therapy;


COPD: more treatment will translate to better breathing. Will it?

DPOC: quanto mais tratar, melhor vai respirar. Será?

Paulo José Zimermann Teixeira1,2,3,a, Marcelo Ferreira Nogueira2,3,b

J Bras Pneumol.2019;45(1):e20190037-e20190037

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Effects of indacaterol versus tiotropium on exercise tolerance in patients with moderate COPD: a pilot randomized crossover study

Efeitos do indacaterol versus tiotrópio na tolerância ao exercício em pacientes com DPOC moderada: estudo cruzado randomizado piloto

Danilo Cortozi Berton1, Álvaro Huber dos Santos2, Ivo Bohn Jr.2, Rodrigo Quevedo de Lima2, Vanderléia Breda2, Paulo José Zimermann Teixeira2,3,4

J Bras Pneumol.2016;42(5):362-366

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Objective: To compare a once-daily long-acting β2 agonist (indacaterol 150 µg) with a once-daily long-acting anticholinergic (tiotropium 5 µg) in terms of their effects on exercise endurance (limit of tolerance, Tlim) in patients with moderate COPD. Secondary endpoints were their effects on lung hyperinflation, exercise-related dyspnea, and daily-life dyspnea. Methods: This was a randomized, single-blind, crossover pilot study involving 20 patients (mean age, 60.9 ± 10.0 years; mean FEV1, 69 ± 7% of predicted). Spirometric parameters, Transition Dyspnea Index scores, Tlim, and exertional dyspnea were compared after three weeks of each treatment (with a one-week washout period between treatments). Results: Nineteen patients completed the study (one having been excluded because of COPD exacerbation). Improvement in Tlim from baseline tended to be greater after treatment with tiotropium than after treatment with indacaterol (96 ± 163 s vs. 8 ± 82 s; p = 0.06). Tlim significantly improved from baseline after treatment with tiotropium (having increased from 396 ± 319 s to 493 ± 347 s; p = 0.010) but not after treatment with indacaterol (having increased from 393 ± 246 to 401 ± 254 s; p = 0.678). There were no differences between the two treatments regarding improvements in Borg dyspnea scores and lung hyperinflation at "isotime" and peak exercise. There were also no significant differences between treatments regarding Transition Dyspnea Index scores (1.5 ± 2.1 vs. 0.9 ± 2.3; p = 0.39). Conclusions: In patients with moderate COPD, tiotropium tends to improve Tlim in comparison with indacaterol. No significant differences were observed between the two treatments regarding their effects on lung hyperinflation, exercise-related dyspnea, and daily-life dyspnea. Future studies, including a larger number of patients, are required in order to confirm our findings and explore mechanistic explanations. ( identifier: NCT01693003 [])


Keywords: Pulmonary disease, chronic obstructive; Exercise; Bronchodilator agents.


Exacerbations of COPD and symptoms of gastroesophageal reflux: a systematic review and meta-analysis

Exacerbações de DPOC e sintomas de refluxo gastroesofágico: revisão sistemática e meta-análise

Thiago Mamôru Sakae, Márcia Margaret Menezes Pizzichini, Paulo José Zimermann Teixeira, Rosemeri Maurici da Silva, Daisson José Trevisol, Emilio Pizzichini

J Bras Pneumol.2013;39(3):259-271

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Objective: To examine the relationship between gastroesophageal reflux (GER) and COPD exacerbations. Methods: We conducted a systematic search of various electronic databases for articles published up through December of 2012. Studies considered eligible for inclusion were those dealing with COPD, COPD exacerbations, and GER; comparing at least two groups (COPD vs. controls or GER vs. controls); and describing relative risks (RRs) and prevalence ratios-or ORs and their respective 95% CIs (or presenting enough data to allow further calculations) for the association between GER and COPD-as well as exacerbation rates. Using a standardized form, we extracted data related to the study design; criteria for GER diagnosis; age, gender, and number of participants; randomization method; severity scores; methods of evaluating GER symptoms; criteria for defining exacerbations; exacerbation rates (hospitalizations, ER visits, unscheduled clinic visits, prednisone use, and antibiotic use); GER symptoms in COPD group vs. controls; mean number of COPD exacerbations (with symptoms vs. without symptoms); annual frequency of exacerbations; GER treatment; and severity of airflow obstruction. Results: Overall, GER was clearly identified as a risk factor for COPD exacerbations (RR = 7.57; 95% CI: 3.84-14.94), with an increased mean number of exacerbations per year (mean difference: 0.79; 95% CI: 0.22-1.36). The prevalence of GER was significantly higher in patients with COPD than in those without (RR = 13.06; 95% CI: 3.64-46.87; p < 0.001). Conclusions: GER is a risk factor for COPD exacerbations. The role of GER in COPD management should be studied in greater detail.


Keywords: Pulmonary disease, chronic obstructive; Gastroesophageal reflux; Meta-analysis; Risk factors; Evidence-based medicine.


Impact of pulmonary rehabilitation on quality of life and functional capacity in patients on waiting lists for lung transplantation

Impacto da reabilitação pulmonar na qualidade de vida e na capacidade funcional de pacientes em lista de espera para transplante pulmonar

Juliessa Florian, Adalberto Rubin, Rita Mattiello, Fabrício Farias da Fontoura, José de Jesus Peixoto Camargo, Paulo Jose Zimermann Teixeira

J Bras Pneumol.2013;39(3):349-356

Abstract PDF PT PDF EN Portuguese Text

Objective: To investigate the impact of a pulmonary rehabilitation program on the functional capacity and on the quality of life of patients on waiting lists for lung transplantation. Methods: Patients on lung transplant waiting lists were referred to a pulmonary rehabilitation program consisting of 36 sessions. Before and after the program, participating patients were evaluated with the six-minute walk test and the Medical Outcomes Study 36-item Short-Form Health Survey (SF-36). The pulmonary rehabilitation program involved muscle strengthening exercises, aerobic training, clinical evaluation, psychiatric evaluation, nutritional counseling, social assistance, and educational lectures. Results: Of the 112 patients initially referred to the program, 58 completed it. The mean age of the participants was 46  14 years, and females accounted for 52%. Of those 58 patients, 37 (47%) had pulmonary fibrosis, 13 (22%) had pulmonary emphysema, and 18 (31%) had other types of advanced lung disease. The six-minute walk distance was significantly greater after the program than before (439 ± 114 m vs. 367 ± 136 m, p = 0.001), the mean increase being 72 m. There were significant point increases in the scores on the following SF-36 domains: physical functioning, up 22 (p = 0.001), role-physical, up 10 (p = 0.045); vitality, up 10 (p < 0.001); social functioning, up 15 (p = 0.001); and mental health, up 8 (p = 0.001). Conclusions: Pulmonary rehabilitation had a positive impact on exercise capacity and quality of life in patients on lung transplant waiting lists.


Keywords: Rehabilitation; Lung transplantation; Quality of life; Exercise; Exercise tolerance.


Respiratory manifestations and respiratory diseases: prevalence and risk factors among pig farmers in Braço do Norte, Brazil

Manifestações respiratórias e doenças de vias aéreas: prevalência e fatores de risco em suinocultores de Braço do Norte, Santa Catarina

Marcelo Costa, Paulo José Zimermann Teixeira, Paulo Fontoura Freitas

J Bras Pneumol.2007;33(4):380-388

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Objective: To describe the prevalence of signs and symptoms of respiratory disease among pig farmers in Braço do Norte, Santa Catarina, Brazil, evaluating the characteristics of swine confinement buildings and identifying potential risk factors. Methods: An exploratory, cross-sectional, observational study involving interviews and pulmonary function tests (spirometry). Aspects related to job history, work conditions, and environment, as well as to respiratory status and smoking, were evaluated. Odds ratios were used to estimate the chances of exposure when comparing pig farmers according to the signs and symptoms of respiratory disease. Results: The prevalence of clinical signs and symptoms of respiratory disease was 84.3%, clinical manifestations of bronchial asthma were detected in 5.6% of the farmers evaluated, and chronic bronchitis was diagnosed in 5.1% of the workers over the age of 40. Only 2.6% used specific individual respiratory protection devices. Respiratory disease was positively associated with low socioeconomic level, low level of education, smoking, the use of wood stoves, and the use of disinfectants. Work load and length of employment were both apparently associated with a lower prevalence of respiratory disease. Conclusion: The association between duration of employment and lower prevalence of respiratory disease can be attributed to the healthy worker effect. However, the evident respiratory impairment among pig farmers and the limited use of personal protective equipment draw attention to the need to implement a program to monitor exposure and regulate environmental factors.


Keywords: Occupational Exposure; Occupational Diseases/epidemiology; Swine; Animal husbandry; Respiratory tract diseases.


The effect of psychotherapy provided as part of a pulmonary rehabilitation program for the treatment of patients with chronic obstructive pulmonary disease

O efeito da assistência psicológica em um programa de reabilitação pulmonar para pacientes com doença pulmonar obstrutiva crônica

Dagoberto Vanoni de Godoy, Rossane Frizzo de Godoy, Benno Becker Júnior, Paula Fernanda Vaccari, Maurício Michelli, Paulo José Zimermann Teixeira, Bruno Carlos Palombini

J Bras Pneumol.2005;31(6):499-505

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Objective: To assess the effect of psychotherapy on levels of anxiety and depression, as well as on quality of life and exercise capacity in patients with chronic obstructive pulmonary disease enrolled in a pulmonary rehabilitation program. Methods: A randomized, controlled, blind clinical trial was conducted involving 49 chronic obstructive pulmonary disease patients. Patients were randomized into three groups: those submitted to the complete pulmonary rehabilitation program, which included psychotherapy and an exercise regimen (group 1); those submitted to the program minus physical exercise (group 2); and those submitted to the program minus psychotherapy (group 3). The three groups underwent a 12-week treatment program. All patients were evaluated at baseline and at completion of the pulmonary rehabilitation program through four instruments: The Beck Anxiety Inventory, Beck Depression Inventory and St. George's Respiratory Questionnaire were applied. The distance walked-weight product was also calculated. Results: Statistically significant absolute improvements in exercise capacity were found for groups 1 and 2, although not for group 3 (p = 0.007, p = 0.008 and p = 0.06, respectively). In groups 1 and 2, levels of anxiety and depressions were also significantly reduced (group 1: p = 0.0000 and p < 0.0003; group 2: p = 0.0001 and p = 0.0014), and quality of life was significantly improved (p = 0.0007 and p = 0.002, respectively). Anxiety levels were also reduced in group 3 (p = 0.03), although levels of depression were not, and quality of life was unaffected. Conclusion: Psychotherapy sessions provided as part of a pulmonary rehabilitation program assist patients with chronic obstructive pulmonary disease in coping with disease-related limitations by reducing behavioral symptoms, especially depression, thereby influencing exercise capacity and health-related quality of life.


Keywords: Pulmonary disease, chronic obstructive/rehabilitation; Pullmonary diseases, chronic obstructive/psychology; Anxiety; Depression; Quality of Life; Exercise therapy


Induced sputum for the diagnosis of lung disease in HIV-positive patients

O escarro induzido no diagnóstico das doenças pulmonares em pacientes positivos ao vírus da imunodeficiência humana

Rosemeri Maurice da Silva, Paulo José Zimermann Teixeira, José da Silva Moreira

J Bras Pneumol.2004;30(5):452-458

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Background: Induced sputum is widely used in assessing airway inflammation. However, its utility as a diagnostic tool in the diagnosis of lung disease in immunosuppressed patients merits further investigation. Objectives: To determinate the diagnostic yield of sputum induction in the diagnosis of lung diseases in HIV-positive patients. Method: Subjects were selected from among HIV-positive patients older than 14 years who were evaluated at a reference hospital between January 2001 and September 2002. Those with respiratory symptoms for 7 days or longer with normal or abnormal chest X-rays, as well as those without respiratory symptoms but with abnormal chest X-rays, were included. All subjects were submitted to clinical examination, radiologic evaluation, sputum induction and laboratory testing. Subsequently, flexible fiberoptic bronchoscopy, bronchoalveolar lavage and transbronchial lung biopsy were performed. Samples were processed for Gram and Ziehl-Neelsen staining, quantitative culture for pyogenic bacteria, direct staining for fungi, culture for mycobacteria and fungi, silver stain for Pneumocystis jiroveci, as well as for total and differential cellularity determination. Results: A total of 54 patients were included. Upon testing negative for any etiologic agent, 7 patients were excluded, resulting in a total of 54 patients studied. A total of 60 infectious agents were isolated. Among the etiologic agents isolated, 46.7% were P. jiroveci, 33.5 were pyogenic bacteria and 16.7% were Mycobacterium tuberculosis. Sputum induction presented 57.5% sensitivity, 42.9% specificity, 87.1% predictive positive value, 13% predictive negative value and 55.6% overall accuracy. Conclusions: In this population, sputum induction proved to be a technique that is safe and easily performed, with a good diagnostic yield.


Keywords: HIV, Acquired Immunodeficiency Syndrome, Bronchoscopy, Sputum, Lung Disease/diagnosi.


The avian flu pandemic

Pandemia de gripe aviária

Danilo Cortozi Berton, Paulo Jose Zimermann Teixeira

J Bras Pneumol.2005;31(6):570-570

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Pavilhão Pereira Filho celebrates 40 years in operation

Pavilhão Pereira Filho comemora 40 anos

Paulo José Zimermann Teixeira

J Bras Pneumol.2005;31(6):571-571

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Ventilator-associated pneumonia: impact of bacterial multidrug-resistance on morbidity and mortality

Pneumonia associada à ventilação mecânica: impacto da multirresistência bacteriana na morbidade e mortalidade

Paulo José Zimermann Teixeira, Felipe Teixeira Hertz, Dennis Baroni Cruz, Fernanda Caraver, Ronaldo Campos Hallal, José da Silva Moreira

J Bras Pneumol.2004;30(6):540-548

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Background: Ventilator-associated pneumonia is the most common nosocomial infection occurring in intensive care units. Objective: To determinate the impact of multidrug-resistant bacteria on morbidity and mortality in patients with ventilator-associated pneumonia. Method: Retrospective cohort study. Over 40 consecutive months, 91 patients on mechanical ventilation developed pneumonia. Cases were grouped into those caused by multidrug-resistant microorganisms and those caused by drug-sensitive microorganisms. Results: Multidrug-resistant bacteria were isolated in 75 cases (82.4%) and drug-sensitive bacteria in 16 (17.6%). Clinical and epidemiological characteristics were not statistically different between the groups. Staphylococcus aureus was responsible for 27.5% of ventilator-associated pneumonia episodes and Pseudomonas aeruginosa for 17.6%. Early-onset ventilator-associated pneumonia occurred in 33 patients (36.3%) and late-onset in 58 (63.7%). Time on mechanical ventilation, length of intensive care unit stay and overall length of hospital stay were not statistically different between groups. Empirical treatment was considered inadequate in 42 patients with pneumonia caused by multidrug-resistant microorganisms (56%) and in 4 with pneumonia caused by drug-sensitive microorganisms (25%) (p = 0.02). Death occurred in 46 patients with pneumonia caused by multidrug-resistant microorganisms (61.3%) and in 4 with pneumonia caused by drug-sensitive microorganisms (25%) (p = 0.008). Conclusion: Bacterial multidrug-resistance had no impact on morbidity but was associated with higher mortality.


Keywords: Pneumonia bacterial/etiology. Respiration artificial/complications. Indicators of morbidity and mortality.


2018 recommendations for the management of community acquired pneumonia

Recomendações para o manejo da pneumonia adquirida na comunidade 2018

Ricardo de Amorim Corrêa1,a, Andre Nathan Costa2,b, Fernando Lundgren3.c, Lessandra Michelim4,d, Mara Rúbia Figueiredo5,e, Marcelo Holanda6,f, Mauro Gomes7,g, Paulo José Zimermann Teixeira8,h, Ricardo Martins9,i, Rodney Silva10,j, Rodrigo Abensur Athanazio2,k, Rosemeri Maurici da Silva11,l, Mônica Corso Pereira12,m

J Bras Pneumol.2018;44(5):405-423

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Community-acquired pneumonia (CAP) is the leading cause of death worldwide. Despite the vast diversity of respiratory microbiota, Streptococcus pneumoniae remains the most prevalent pathogen among etiologic agents. Despite the significant decrease in the mortality rates for lower respiratory tract infections in recent decades, CAP ranks third as a cause of death in Brazil. Since the latest Guidelines on CAP from the Sociedade Brasileira de Pneumologia e Tisiologia (SBPT, Brazilian Thoracic Association) were published (2009), there have been major advances in the application of imaging tests, in etiologic investigation, in risk stratification at admission and prognostic score stratification, in the use of biomarkers, and in the recommendations for antibiotic therapy (and its duration) and prevention through vaccination. To review these topics, the SBPT Committee on Respiratory Infections summoned 13 members with recognized experience in CAP in Brazil who identified issues relevant to clinical practice that require updates given the publication of new epidemiological and scientific evidence. Twelve topics concerning diagnostic, prognostic, therapeutic, and preventive issues were developed. The topics were divided among the authors, who conducted a nonsystematic review of the literature, but giving priority to major publications in the specific areas, including original articles, review articles, and systematic reviews. All authors had the opportunity to review and comment on all questions, producing a single final document that was approved by consensus.


Keywords: Pneumonia/diagnosis; Pneumonia/prevention & control; Pneumonia/therapy; Pneumonia/drug therapy.


Recommendations for the pharmacological treatment of COPD: questions and answers

Recomendações para o tratamento farmacológico da DPOC: perguntas e respostas

Frederico Leon Arrabal Fernandes1, Alberto Cukier1, Aquiles Assunção Camelier2,3, Carlos Cezar Fritscher4, Cláudia Henrique da Costa5, Eanes Delgado Barros Pereira6, Irma Godoy7, José Eduardo Delfini Cançado8, José Gustavo Romaldini8, Jose Miguel Chatkin4, José Roberto Jardim9, Marcelo Fouad Rabahi10, Maria Cecília Nieves Maiorano de Nucci11, Maria da Penha Uchoa Sales12, Maria Vera Cruz de Oliveira Castellano13, Miguel Abidon Aidé14, Paulo José Zimermann Teixeira15,16, Renato Maciel17, Ricardo de Amorim Corrêa18, Roberto Stirbulov8, Rodrigo Abensur Athanazio1, Rodrigo Russo19, Suzana Tanni Minamoto7, Fernando Luiz Cavalcanti Lundgren20

J Bras Pneumol.2017;43(4):290-301

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The treatment of COPD has become increasingly effective. Measures that range from behavioral changes, reduction in exposure to risk factors, education about the disease and its course, rehabilitation, oxygen therapy, management of comorbidities, and surgical and pharmacological treatments to end-of-life care allow health professionals to provide a personalized and effective therapy. The pharmacological treatment of COPD is one of the cornerstones of COPD management, and there have been many advances in this area in recent years. Given the greater availability of drugs and therapeutic combinations, it has become increasingly challenging to know the indications for, limitations of, and potential risks and benefits of each treatment modality. In order to critically evaluate recent evidence and systematize the major questions regarding the pharmacological treatment of COPD, 24 specialists from all over Brazil gathered to develop the present recommendations. A visual guide was developed for the classification and treatment of COPD, both of which were adapted to fit the situation in Brazil. Ten questions were selected on the basis of their relevance in clinical practice. They address the classification, definitions, treatment, and evidence available for each drug or drug combination. Each question was answered by two specialists, and then the answers were consolidated in two phases: review and consensus by all participants. The questions answered are practical questions and help select from among the many options the best treatment for each patient and his/her peculiarities.


Keywords: Pulmonary disease, chronic obstructive/drug therapy; pulmonary disease, chronic obstructive/prevention & control; pulmonary disease, chronic obstructive/therapy.


Long-term repercussions of a pulmonary rehabilitation program on the indices of anxiety, depression, quality of life and physical performance in patients with COPD

Repercussões tardias de um programa de reabilitação pulmonar sobre os índices de ansiedade, depressão, qualidade de vida e desempenho físico em portadores de DPOC

Rossane Frizzo de Godoy, Paulo José Zimermann Teixeira, Benno Becker Júnior, Maurício Michelli, Dagoberto Vanoni de Godoy

J Bras Pneumol.2009;35(2):129-136

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Objective: To assess the 24-month effects of a pulmonary rehabilitation program (PRP) on anxiety, depression, quality of life and physical performance of COPD patients. Methods: Thirty patients with COPD (mean age, 60.8 ± 10 years; 70% males) participated in a 12-week PRP, which included 24 physical exercise sessions, 24 respiratory rehabilitation sessions, 12 psychotherapy sessions and 3 educational sessions. All patients were evaluated at baseline (pre-PRP), at the end of the treatment (post-PRP) and two years later (current) by means of four instruments: the Beck Anxiety Inventory; the Beck Depression Inventory; Saint George's Respiratory Questionnaire; and the six-minute walk test (6MWT). Results: The comparison between the pre-PRP and post-PRP values revealed a significant decrease in the levels of anxiety (pre-PRP: 10.7 ± 6.3; post-PRP: 5.5 ± 4.4; p = 0.0005) and depression (pre-PRP: 11.7 ± 6.8; post-PRP: 6.0 ± 5.8; p = 0.001), as well as significant improvements in the distance covered on the 6MWT (pre-PRP: 428.6 ± 75.0 m; post-PRP: 474.9 ± 86.3 m; p = 0.03) and the quality of life index (pre-PRP: 51.0 ± 15.9; post-PRP: 34.7 ± 15.1; p = 0.0001). There were no statistically significant differences between the post-PRP and current evaluation values. Conclusions: The benefits provided by the PRP in terms of the indices of anxiety, depression and quality of life, as well as the improved 6MWT performance, persisted throughout the 24-month study period.


Keywords: Pulmonary disease, chronic obstructive; Rehabilitation; Exercise; Quality of life; Anxiety; Depression.


Respiratory symptoms in charcoal production workers in the cities of Lindolfo Collor, Ivoti and Presidente Lucena, Brazil

Sintomas respiratórios em trabalhadores de carvoarias nos municípios de Lindolfo Collor, Ivoti e Presidente Lucena, RS

Rafael Machado de Souza, Fabiana Michelsen de Andrade, Angela Beatrice Dewes Moura, Paulo José Zimermann Teixeira

J Bras Pneumol.2010;36(2):-

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Objective: To determine the prevalence of respiratory symptoms and smoking, as well as pulmonary function parameters among charcoal production workers in three cities in southern Brazil. Methods: This was an observational study including 67 individuals. Data were obtained by means of interviews and spirometry. Results: Of the 67 workers, 50 (75.0%) were male; mean age, 46.52 ± 13.25 years; mean BMI, 25.7 ± 3.85 kg/m2; FEV1, 3.24 ± 0.82 L (93.2 ± 16.0% of predicted); FVC, 4.02 ± 0.92 L (95.5 ± 14.3% of predicted); and FEV1/FVC, 80.31 ± 9.82. The most common upper airway symptoms were sneezing and nasal secretion-in 24 workers (35.82%)-whereas the most common lower airway symptom was cough-in 15 (22.38%). Of the 67 workers, 21 (31.34%) were smokers. In comparison with the nonsmokers, the smokers more often presented with cough (OR = 5.00; p = 0.01), nasal obstruction (OR = 3.50; p = 0.03), nasal itching (OR = 8.80; p = 0.01) and wheezing (OR = 10.0; p = 0.03), as well as presenting with lower FEV1 values (2.93 ± 0.80 vs. 3.38 ± 0.80 L; p = 0.04). We detected occupational rhinitis in 14 workers (20.85%), asthma in 4 (5.97%) and COPD in 4 (5.97%). Conclusions: Respiratory symptoms and airflow reduction were more common in the smoking workers. Controlling the progression of the pyrolysis did not increase the prevalence of respiratory symptoms in the charcoal production workers studied.


Keywords: Air pollution; Spirometry; Charcoal.




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