Brazilian Journal of Pulmonology

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


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Year 2017 - Volume 43  - Number 1  (January/February)

Continuing Education: Imaging

3 - The halo sign

Sinal do halo

Edson Marchiori1,2, Bruno Hochhegger3,4, Gláucia Zanetti2,5

J Bras Pneumol.2017;43(1):4

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Continuing Education : Scientific Methodology

4 - Types of outcomes in clinical research

Tipos de desfecho em pesquisa clínica

Juliana Carvalho Ferreira1,2, Cecilia Maria Patino1,3

J Bras Pneumol.2017;43(1):5

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Original Article

5 - Smoking among female sex workers: prevalence and associated variables

Tabagismo em mulheres profissionais do sexo: prevalência e variáveis associadas

Ligia Lopes Devóglio1, José Eduardo Corrente2, Maria Helena Borgato3, Ilda de Godoy3

J Bras Pneumol.2017;43(1):6-13

Abstract PDF PT PDF EN Portuguese Text

Objective: To assess the prevalence of smoking and associated variables in female sex workers (FSWs). Methods: This was a quantitative cross-sectional study involving FSWs in the city of Botucatu, Brazil, who completed a sociodemographic questionnaire, including data regarding smoking status, motivational stage of change, and degree of nicotine dependence, as well as the Perceived Stress Scale and the Hospital Anxiety and Depression Scale. Results: We included 83 FSWs. The mean age was 26.8 years. Among the participants, 58 (69.8%) had at least a high school education, only 26 (31.3%) resided in the city of Botucatu, 59 (71.1%) were smokers, 5 (6.0%) were former smokers, 74 (89.2%) regularly consumed alcohol, and 43 (51.8%) used illicit drugs. The majority of the women were classified as having an intermediate stress level, and 51 (61.4%) were classified as having possible or probable anxiety, whereas depression was found to be improbable in 57 (68.7%). The level of nicotine dependence was high among the smokers, the majority of whom showed no intention to quit smoking. Smoking was associated with illicit drug use (p = 0.0271) and with alcohol consumption (p = 0.0001), although not with the levels of stress, anxiety, or depression; nor was the age at smoking initiation associated with the length of time as an FSW (p = 0.4651). Conclusions: The prevalence of smoking among the FSWs evaluated here was much higher than the 8.3% reported for the overall female population of Brazil. Our findings show that FSWs are exposed to various risk factors inherent to their profession. Therefore, harm reduction is an important strategy to be adopted.


Keywords: Women, Smoking, Sex workers; Prevalence; Risk factors.


6 - Use of indwelling pleural catheters for the definitive treatment of malignant pleural effusion

Utilização de cateter pleural de longa permanência para o tratamento definitivo de derrame pleural neoplásico

Fernando Conrado Abrão1,2, Igor Renato Louro Bruno de Abreu1,2, Maria Gabriela Cavalcanti1, José Franklin Soares Pompa-Filho1

J Bras Pneumol.2017;43(1):14-17

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Objective: To evaluate the safety and feasibility of the use of indwelling pleural catheters (IPCs) in patients with malignant pleural effusion (MPE). Methods: We prospectively collected data from patients with MPE undergoing IPC placement between January of 2014 and July of 2015. All patients submitted to IPC placement had a life expectancy > 30 days, in accordance with the MPE treatment guidelines established by the British Thoracic Society. The data collected included gender, age, body mass index, primary cancer site, duration of IPC drainage, IPC-related complications, length of hospital stay, pleural effusion recurrence, and occurrence of spontaneous pleurodesis. Results: A total of 19 patients underwent IPC placement during the study period. Median overall survival after IPC insertion was 145 days. The median follow-up among the surviving patients was 125 days (range, 53-485 days), and the median time between catheter insertion and removal was 31 days (range, 2-126 days). There were IPC-related complications in 5 patients (26.2%), and spontaneous pleurodesis was achieved in 8 (42.0%). Among those 8 patients, the IPC was removed between days 30 and 126 in 4, and spontaneous pleurodesis occurred within the first 30 days in 4. Conclusions: The use of IPCs seems to be feasible and safe in patients with MPE.


Keywords: Pleural effusion, malignant; Survival; Palliative care.


7 - Family caregiver burden: the burden of caring for lung cancer patients according to the cancer stage and patient quality of life

Sobrecarga do cuidador familiar: a sobrecarga de cuidar de pacientes com câncer de pulmão, de acordo com o estágio do câncer e a qualidade de vida do paciente

Eliana Lourenço Borges1, Juliana Franceschini1, Luiza Helena Degani Costa1, Ana Luisa Godoy Fernandes1, Sérgio Jamnik1, Ilka Lopes Santoro1

J Bras Pneumol.2017;43(1):18-23

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Objective: Patients with lung cancer experience different feelings and reactions, based on their family, social, cultural, and religious backgrounds, which are a source of great distress, not only for the patients but also for their family caregivers. This study aimed to evaluate the impact that lung cancer stage and quality of life (QoL) of lung cancer patients have on caregiver burden. Methods: This was a prospective cross-sectional study. Consecutive patient-caregiver dyads were selected and asked to complete the Hospital Anxiety and Depression Scale and the Medical Outcomes Study 36-item Short-Form Health Survey (SF-36). Family caregivers also completed the Caregiver Burden Scale. Group-based modeling was used in order to identify patients with early- or advanced-stage cancer (IA to IIIA vs. IIIB to IV) plus non-impaired or impaired QoL (SF-36 total score > 50 vs. ≤ 50). Patient-caregiver dyads were stratified into four groups: early-stage cancer+non-impaired QoL; advanced-stage cancer+non-impaired QoL; early-stage cancer+impaired QoL; and advanced-stage cancer+impaired QoL. Results: We included 91 patient-caregiver dyads. The majority of the patients were male and heavy smokers. Family caregivers were younger and predominantly female. The burden, QoL, level of anxiety, and level of depression of caregivers were more affected by the QoL of the patients than by their lung cancer stage. The family caregivers of the patients with impaired QoL showed a higher median burden than did those of the patients with non-impaired QoL, regardless of disease stage. Conclusions: Caregiver burden is more affected by patient QoL than by lung cancer stage.


Keywords: Lung neoplasms; Quality of life; Caregivers; Anxiety; Depression; Cost of illness.


8 - Trends in asthma mortality in the 0- to 4-year and 5- to 34-year age groups in Brazil

Tendências da mortalidade da asma nas faixas etárias de 0 a 4 anos e 5 a 34 anos no Brasil

Gustavo Silveira Graudenz1,2, Dominique Piacenti Carneiro1, Rodolfo de Paula Vieira1

J Bras Pneumol.2017;43(1):24-31

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Objective: To provide an update on trends in asthma mortality in Brazil for two age groups: 0-4 years and 5-34 years. Methods: Data on mortality from asthma, as defined in the International Classification of Diseases, were obtained for the 1980-2014 period from the Mortality Database maintained by the Information Technology Department of the Brazilian Unified Health Care System. To analyze time trends in standardized asthma mortality rates, we conducted an ecological time-series study, using regression models for the 0- to 4-year and 5- to 34-year age groups. Results: There was a linear trend toward a decrease in asthma mortality in both age groups, whereas there was a third-order polynomial fit in the general population. Conclusions: Although asthma mortality showed a consistent, linear decrease in individuals ≤ 34 years of age, the rate of decline was greater in the 0- to 4-year age group. The 5- to 34-year group also showed a linear decline in mortality, and the rate of that decline increased after the year 2004, when treatment with inhaled corticosteroids became more widely available. The linear decrease in asthma mortality found in both age groups contrasts with the nonlinear trend observed in the general population of Brazil. The introduction of inhaled corticosteroid use through public policies to control asthma coincided with a significant decrease in asthma mortality rates in both subsets of individuals over 5 years of age. The causes of this decline in asthma-related mortality in younger age groups continue to constitute a matter of debate.


Keywords: Asthma/epidemiology; Asthma/mortality; Asthma/drug therapy.


9 - Diaphragmatic mobility: relationship with lung function, respiratory muscle strength, dyspnea, and physical activity in daily life in patients with COPD

Relação da mobilidade diafragmática com função pulmonar, força muscular respiratória, dispneia e atividade física de vida diária em pacientes com DPOC

Flávia Roberta Rocha1, Ana Karla Vieira Brüggemann1, Davi de Souza Francisco1, Caroline Semprebom de Medeiros1, Danielle Rosal2, Elaine Paulin1

J Bras Pneumol.2017;43(1):32-37

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Objective: To evaluate diaphragmatic mobility in relation to lung function, respiratory muscle strength, dyspnea, and physical activity in daily life (PADL) in patients with COPD. Methods: We included 25 patients with COPD, classified according to the Global Initiative for Chronic Obstructive Lung Disease criteria, and 25 healthy individuals. For all of the participants, the following were evaluated: anthropometric variables, spirometric parameters, respiratory muscle strength, diaphragmatic mobility (by X-ray), PADL, and the perception of dyspnea. Results: In the COPD group, diaphragmatic mobility was found to correlate with lung function variables, inspiratory muscle strength, and the perception of dyspnea, whereas it did not correlate with expiratory muscle strength or PADL. Conclusions: In patients with COPD, diaphragmatic mobility seems to be associated with airway obstruction and lung hyperinflation, as well as with ventilatory capacity and the perception of dyspnea, although not with PADL.


Keywords: Pulmonary disease, chronic obstructive; Diaphragm; Spirometry; Dyspnea; Maximal respiratory pressures.


10 - Impaired pulmonary function after treatment for tuberculosis: the end of the disease?

Comprometimento da função pulmonar após tratamento para tuberculose: o resultado final da doença?

Mikhail Ivanovich Chushkin1,2, Oleg Nikolayevich Ots1

J Bras Pneumol.2017;43(1):38-43

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Objective: To evaluate the prevalence of pulmonary function abnormalities and to investigate the factors affecting lung function in patients treated for pulmonary tuberculosis. Methods: A total of 214 consecutive patients (132 men and 82 women; 20-82 years of age), treated for pulmonary tuberculosis and followed at a local dispensary, underwent spirometry and plethysmography at least one year after treatment. Results: Pulmonary impairment was present in 102 (47.7%) of the 214 patients evaluated. The most common functional alteration was obstructive lung disease (seen in 34.6%). Of the 214 patients, 60 (28.0%) showed reduced pulmonary function (FEV1 below the lower limit of normal). Risk factors for reduced pulmonary function were having had culture-positive pulmonary tuberculosis in the past, being over 50 years of age, having recurrent tuberculosis, and having a lower level of education. Conclusions: Nearly half of all tuberculosis patients evolve to impaired pulmonary function. That underscores the need for pulmonary function testing after the end of treatment.


Keywords: Respiratory function tests; Tuberculosis, pulmonary; Spirometry; Lung diseases, obstructive.


11 - Phenotypes of asthma in low-income children and adolescents: cluster analysis

Fenótipos de asma em crianças e adolescentes de baixa renda: análise de agrupamentos

Anna Lucia Barros Cabral1, Andrey Wirgues Sousa1,2, Felipe Augusto Rodrigues Mendes2, Celso Ricardo Fernandes de Carvalho2

J Bras Pneumol.2017;43(1):44-50

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Objective: Studies characterizing asthma phenotypes have predominantly included adults or have involved children and adolescents in developed countries. Therefore, their applicability in other populations, such as those of developing countries, remains indeterminate. Our objective was to determine how low-income children and adolescents with asthma in Brazil are distributed across a cluster analysis. Methods: We included 306 children and adolescents (6-18 years of age) with a clinical diagnosis of asthma and under medical treatment for at least one year of follow-up. At enrollment, all the patients were clinically stable. For the cluster analysis, we selected 20 variables commonly measured in clinical practice and considered important in defining asthma phenotypes. Variables with high multicollinearity were excluded. A cluster analysis was applied using a two-step agglomerative test and log-likelihood distance measure. Results: Three clusters were defined for our population. Cluster 1 (n = 94) included subjects with normal pulmonary function, mild eosinophil inflammation, few exacerbations, later age at asthma onset, and mild atopy. Cluster 2 (n = 87) included those with normal pulmonary function, a moderate number of exacerbations, early age at asthma onset, more severe eosinophil inflammation, and moderate atopy. Cluster 3 (n = 108) included those with poor pulmonary function, frequent exacerbations, severe eosinophil inflammation, and severe atopy. Conclusions: Asthma was characterized by the presence of atopy, number of exacerbations, and lung function in low-income children and adolescents in Brazil. The many similarities with previous cluster analyses of phenotypes indicate that this approach shows good generalizability.


Keywords: Asthma/classification; Asthma/etiology; Child; Adolescent.


Brief Communication

12 - Association of tuberculosis with multimorbidity and social networks

Relação da tuberculose com multimorbidade e redes sociais

Hiram Valenzuela-Jiménez1, Edgar Fabian Manrique-Hernández2, Alvaro Javier Idrovo2

J Bras Pneumol.2017;43(1):51-53

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The combination of tuberculosis with other diseases can affect tuberculosis treatment within populations. In the present study, social network analysis of data retrieved from the Mexican National Epidemiological Surveillance System was used in order to explore associations between the number of contacts and multimorbidity. The node degree was calculated for each individual with tuberculosis and included information from 242 contacts without tuberculosis. Multimorbidity was identified in 49.89% of individuals. The node degrees were highest for individuals with tuberculosis + HIV infection (p < 0.04) and lowest for those with tuberculosis + pulmonary edema (p < 0.07). Social network analysis should be used as a standard method for monitoring tuberculosis and tuberculosis-related syndemics.


Keywords: Tuberculosis/epidemiology; HIV; Nutrition, public health.


Case Series

13 - Respiratory manifestations in late-onset Pompe disease: a case series conducted in Brazil

Manifestações respiratórias na doença de Pompe de início tardio: uma série de casos no Brasil

Bruna de Souza Sixel1,2, Luanda Dias da Silva3, Nicolette Celani Cavalcanti4, Glória Maria Cardoso de Andrade Penque5, Sandra Lisboa3, Dafne Dain Gandelman Horovitz6, Juan Clinton Llerena Jr6

J Bras Pneumol.2017;43(1):54-59

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Objective: To describe respiratory function in a series of patients with late-onset Pompe disease after the definitive diagnosis and before enzyme replacement therapy. Methods: This was a cross-sectional study involving patients with a definitive molecular diagnosis of late-onset Pompe disease. The data analyzed included age at symptom onset; age at definitive diagnosis; type of initial symptoms; time from symptom onset to diagnosis; FVC in the sitting and supine positions; six-minute walk distance; and locomotor ability. Analyses were carried out using frequencies, medians, minimum values, and maximum values. Results: Six patients were included in the study. The median age at symptom onset was 15 years (range, 13-50 years), and the median age at diagnosis was 39.5 years (range, 10-64 years). The median time from symptom onset to diagnosis was 8 years (range, 0-45 years). In all cases, the initial manifestation of the disease had been motor weakness. The median FVC in percentage of the predicted value (FVC%) in the sitting and supine positions was 71.0% (range, 22.9-104.6%) and 58.0% (range, 10.9-106.9%), respectively. The median ΔFVC% was 24.5% (range, −4.59 to 52.40%).The median six-minute walk distance was 391.7 m (range, 97-702 m). Conclusions: In this case series, the time from symptom onset to diagnosis was long. Although respiratory signs or symptoms were not the initial manifestations of the disease, 66.7% of the patients showed reduced FVC% in the sitting and supine positions at diagnosis.


Keywords: Glycogen storage disease type II; Respiratory function tests; Respiratory muscles/pathology.


Review Article

14 - Extracorporeal respiratory support in adult patients

Suporte respiratório extracorpóreo em pacientes adultos

Thiago Gomes Romano1,3, Pedro Vitale Mendes2,3, Marcelo Park2, Eduardo Leite Vieira Costa3,4

J Bras Pneumol.2017;43(1):60-70

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In patients with severe respiratory failure, either hypoxemic or hypercapnic, life support with mechanical ventilation alone can be insufficient to meet their needs, especially if one tries to avoid ventilator settings that can cause injury to the lungs. In those patients, extracorporeal membrane oxygenation (ECMO), which is also very effective in removing carbon dioxide from the blood, can provide life support, allowing the application of protective lung ventilation. In this review article, we aim to explore some of the most relevant aspects of using ECMO for respiratory support. We discuss the history of respiratory support using ECMO in adults, as well as the clinical evidence; costs; indications; installation of the equipment; ventilator settings; daily care of the patient and the system; common troubleshooting; weaning; and discontinuation.


Keywords: Extracorporeal membrane oxygenation; Respiratory distress syndrome, adult; Hypoxia; Hypercapnia.


Case Report

16 - Pleuroparenchymal fibroelastosis: report of two cases in Brazil

Fibroelastose pleuroparenquimatosa: relato de dois casos no Brasil

Paula Silva Gomes1, Christina Shiang2, Gilberto Szarf3, Ester Nei Aparecida Martins Coletta4,5, Carlos Alberto de Castro Pereira6

J Bras Pneumol.2017;43(1):72-75

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Pleuroparenchymal fibroelastosis (PPFE) is a rare lung disease. It can be idiopathic or associated with any one of various conditions. To our knowledge, this is the first report of two cases of PPFE in Brazil. Our first patient presented with pleural and subpleural fibrosis in the upper lobes; a spiculated nodule in the left upper lobe; and a mild reticular pattern in the lower lobes. Surgical lung biopsy revealed PPFE in the upper lobes, including the nodule, and unclassified interstitial pneumonia in the left lower lobe. Our second patient had a history of exposure to domestic birds, indicating a risk of hypersensitivity pneumonitis, and presented with advanced lung disease, predominantly in the upper lobes, together with subpleural fibrosis.That patient underwent lung transplantation. In the explant specimen, PPFE and granulomas were identified, suggesting hypersensitivity pneumonitis as an associated cause.


Keywords: Lung diseases, interstitial/diagnosis; Lung diseases, interstitial/etiology; Alveolitis, extrinsic allergic.


Author's reply

18 - Authors' reply

Resposta dos autores

Marcia Jacomelli1, Sergio Eduardo Demarzo1, Paulo Francisco Guerreiro Cardoso2, Addy Lidvina Mejia Palomino1, Viviane Rossi Figueiredo1

J Bras Pneumol.2017;43(1):77

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19 - Erratum: Radial-probe EBUS for the diagnosis of peripheral pulmonary lesions.

Errata: Ecobroncoscopia radial para o diagnóstico de lesões pulmonares periféricas.

Marcia Jacomelli1, Sergio Eduardo Demarzo1, Paulo Francisco Guerreiro Cardoso2, Addy Lidvina Mejia Palomino1, Viviane Rossi Figueiredo1

J Bras Pneumol.2017;43(1):78-79

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