Brazilian Journal of Pulmonology

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

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Year 2020 - Volume 46  - Number 1  (January/February)

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Letters to the Editor

1 - Assessment of theoretical and practical knowledge of asthma among guardians of children treated in primary care

Avaliação do conhecimento teórico e prático sobre asma em responsáveis por crianças atendidas na atenção primária

Cathiana Carmo Dalto Banhos1,a, Cristian Roncada2,b, Leonardo Araújo Pinto3,c, Paulo Márcio Pitrez4,5,d

J Bras Pneumol.2020;46(1):e20190147

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2 - Pulmonary manifestations of dengue.

Manifestações pulmonares da dengue.

Edson Marchiori1,a, Bruno Hochhegger2,b, Gláucia Zanetti1,c

J Bras Pneumol.2020;46(1):e20190246

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Original Article

3 - Assessment of religious coping in patients with COPD

Avaliação do coping religioso em pacientes com DPOC

Francisco Alessandro Braga do Nascimento1,2,a, Guilherme Pinheiro Ferreira da Silva1,3,b, Geisyani Francisca Gomes Prudente1,c, Rafael Mesquita1,d, Eanes Delgado Barros Pereira1,2,e

J Bras Pneumol.2020;46(1):e20180150

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Objective: To compare religious coping (RC) in patients with COPD and healthy individuals, as well as to determine whether RC is associated with demographic characteristics, quality of life, depression, and disease severity in the patients with COPD. Methods: This was a cross-sectional study conducted between 2014 and 2016, involving outpatients with moderate to severe COPD seen at one of two hospitals in Fortaleza, Brazil, as well as gender- and age-matched healthy controls. The Brief RCOPE scale assessed RC in all of the participants. We also evaluated the COPD group patients regarding symptoms, quality of life, and depression, as well as submitting them to spirometry and a six-minute walk test. Results: A total of 100 patients were evaluated. The mean age was 67.3 ± 6.8 years, and 54% were men. In the COPD group, the mean positive RC score was significantly higher than was the mean negative RC score (27.17 ± 1.60 vs. 8.21 ± 2.12; p = 0.001). The mean positive RC score was significantly higher in women than in men (27.5 ± 1.1 vs. 26.8 ± 2.8; p = 0.02). Negative RC scores were significantly higher in the COPD group than in the control group (p = 0.01). Negative RC showed an inverse association with six-minute walk distance (6MWD; r = −0.3; p < 0.05) and a direct association with depressive symptoms (r = 0.2; p < 0.03). Positive RC correlated with none of the variables studied. Multiple regression analysis showed that negative RC was associated with 6MWD (coefficient = −0.009; 95% CI: −0.01 to −0.003). 6MWD explained the variance in negative RC in a linear fashion. Conclusions: Patients with COPD employ negative RC more often than do healthy individuals. Exercise capacity and depressive symptoms are associated with negative RC.

 


Keywords: Religion; Spirituality; Adaptation, psychological; Quality of life; Pulmonary disease, chronic obstructive.

 

4 - Robotic thoracic surgery for resection of thymoma and tumors of the thymus: technical development and initial experience

Cirurgia torácica robótica para ressecção de timoma e tumores tímicos: desenvolvimento técnico e experiência inicial

Ricardo Mingarini Terra1,a, José Ribas Milanez-de-Campos1,b, Rui Haddad2,c, Juliana Rocha Mol Trindade3,d, Leticia Leone Lauricella3,e, Benoit Jacques Bibas3,f, Paulo Manuel Pêgo-Fernandes1,g

J Bras Pneumol.2020;46(1):e20180315

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Objective: To evaluate the results of resection of tumors of the thymus by robotic thoracic surgery, analyzing the extent of resection, postoperative complications, time of surgery, and length of stay. Methods: Retrospective study from a database involving patients diagnosed with a tumor of the thymus and undergoing robotic thoracic surgery at one of seven hospitals in Brazil between October of 2015 and June of 2018. Results: During the study period, there were 18 cases of resection of tumors of the thymus: thymoma, in 12; carcinoma, in 2; and carcinoid tumor, in 1; high-grade sarcoma, in 1; teratoma, in 1; and thymolipoma, in 1. The mean lesion size was 60.1 ± 32.0 mm. Tumors of the thymus were resected with tumor-free margins in 17 cases. The median (interquartile range) for pleural drain time and hospital stay, in days, was 1 (1-3) and 2 (2-4), respectively. There was no need for surgical conversion, and there were no major complications. Conclusions: Robotic thoracic surgery for resection of tumors of the thymus has been shown to be feasible and safe, with a low risk of complications and with postoperativeymoma; Thymus neoplasms; Thymectomy; Thoracic surgery; R outcomes comparable to those of other techniques.

 


Keywords: Thymoma; Thymus neoplasms; Thymectomy; Thoracic surgery; Robotic surgical procedures.

 

5 - Robotic thoracic surgery for non-small cell lung cancer: initial experience in Brazil

Cirurgia torácica robótica no tratamento do câncer de pulmão de células não pequenas: experiência inicial no Brasil

Ricardo Mingarini Terra1,2,3,4,a, Benoit Jacques Bibas1,3,4,b, Rui Haddad5,6,c, José Ribas Milanez-de-Campos1,3,d, Pedro Henrique Xavier Nabuco-de-Araujo1,2,4,e, Carlos Eduardo Teixeira-Lima5,6,f, Felipe Braga dos Santos5,6,g, Leticia Leone Lauricella1,2,4,h, Paulo Manuel Pêgo-Fernandes1,2,3,i

J Bras Pneumol.2020;46(1):e20190003

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Objective: To describe the morbidity, mortality, and rate of complete resection associated with robotic surgery for the treatment of non-small cell lung cancer in Brazil, as well as to report the rates of overall survival and disease-free survival in patients so treated. Methods: This was a retrospective study of patients diagnosed with non-small cell lung carcinoma and undergoing resection by robotic surgery at one of six hospitals in Brazil between February of 2015 and July of 2018. Data were collected retrospectively from the electronic medical records. Results: A total of 154 patients were included. The mean age was 65 ± 9.5 years (range, 30-85 years). The main histological diagnosis was adenocarcinoma, which was identified in 128 patients (81.5%), followed by epidermoid carcinoma, identified in 14 (9.0%). Lobectomy was performed in 133 patients (86.3%), and segmentectomy was performed in 21 (13.7%). The mean operative time was 209 ± 80 min. Postoperative complications occurred in 32 patients (20.4%). The main complication was air leak, which occurred in 15 patients (9.5%). The median (interquartile range) values for hospital stay and drainage time were 4 days (3-6 days) and 2 days (2-4 days), respectively. There was one death in the immediate postoperative period (30-day mortality rate, 0.5%). The mean follow-up period was 326 ± 274 days (range, 3-1,110 days). Complete resection was achieved in 97.4% of the cases. Overall mortality was 1.5% (3 deaths), and overall survival was 97.5%. Conclusions: Robotic pulmonary resection proved to be a safe treatment for lung cancer. Longer follow-up periods are required in order to assess long-term survival.

 


Keywords: Lung neoplasms/surgery; Lung neoplasms/mortality; Robotic surgical procedures.

 

6 - The Brazilian Portuguese-language version of the Manchester Respiratory Activities of Daily Living questionnaire: construct validity, reliability, and measurement error.

Versão em português do Brasil do questionário Manchester Respiratory Activities of Daily Living: validade de construto, confiabilidade e erro de medida.

Fernanda Rodrigues Fonseca1,2,a, Roberta Rodolfo Mazzali Biscaro1,b, Alexânia de Rê1,2,c, Maíra Junkes-Cunha3,d, Cardine Martins dos Reis1,e, Marina Mônica Bahl1,f, Abebaw Mengistu Yohannes4,g, Rosemeri Maurici1,2,5,h

J Bras Pneumol.2020;46(1):e20180397

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Objective: To test the construct validity, reliability, and measurement error of the Brazilian Portuguese-language version of the Manchester Respiratory Activities of Daily Living (MRADL) questionnaire in patients with COPD. Methods: We evaluated 50 patients with COPD, among whom 30 were men, the mean age was 64 ± 8 years, and the median FEV1 as a percentage of the predicted value (FEV1%predicted) was 38.4% (interquartile range, 29.1-57.4%). Pulmonary function and limitations in activities of daily living (ADLs) were assessed by spirometry and by face-to-face application of the MRADL, respectively. For the construct validity analysis, we tested the hypothesis that the total MRADL score would show moderate correlations with spirometric parameters. We analyzed inter-rater reliability, test-retest reliability, inter-rater measurement error, and test-retest measurement error. Results: The total MRADL score showed moderate correlations with the FEV1/FVC ratio, FEV1 in liters, FEV1%predicted, and FVC%predicted, all of the correlations being statistically significant (r = 0.34, r = 0.31, r = 0.42, and r = 0.38, respectively; p < 0.05 for all). For the reliability and measurement error of the total MRADL score, we obtained the following inter-rater and test-retest values, respectively: two-way mixed-effects model intraclass correlation coefficient for single measures, 0.92 (95% CI: 0.87-0.96) and 0.89 (95% CI: 0.81-0.93); agreement standard error of measurement, 1.03 and 0.97; smallest detectable change at the individual level, 2.86 and 2.69; smallest detectable change at the group level, 0.40 and 0.38; and limits of agreement, −2.24 to 1.96 and −2.65 to 2.69. Conclusions: In patients with COPD in Brazil, this version of the MRADL shows satisfactory construct validity, satisfactory inter-rater/test-retest reliability, and indeterminate inter-rater/test-retest measurement erro

 


Keywords: Pulmonary disease, chronic obstructive; Activities of daily living; Disability evaluation; Patient reported outcome measures; Validation studies.

 

7 - Body mass index, asthma, and respiratory symptoms: a population-based study

Índice de massa corpórea, asma e sintomas respiratórios: um estudo de base populacional

Elaine Cristina Caon de Souza1,2,a, Marcia Margaret Menezes Pizzichini1,2,b, Mirella Dias1,2,c, Maíra Junkes Cunha1,2,d, Darlan Lauricio Matte1,2,e, Manuela Karloh1,2,f, Rosemeri Maurici1,2,g, Emilio Pizzichini1,2,h

J Bras Pneumol.2020;46(1):e20190006

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Objective: To estimate the prevalence of respiratory symptoms and asthma, according to body mass index (BMI), as well as to evaluate factors associated with physician-diagnosed asthma, in individuals ≥ 40 years of age. Methods: This was a population-based cross-sectional study conducted in Florianópolis, Brazil, with probability sampling. Data were collected during home visits. Demographic data were collected, as were reports of physician-diagnosed asthma, respiratory symptoms, medications in use, and comorbidities. Anthropometric measurements were taken. Individuals also underwent spirometry before and after bronchodilator administration. Individuals were categorized as being of normal weight (BMI < 25 kg/m2), overweight (25 kg/m2 ≥ BMI < 30 kg/m2), or obese (BMI ≥ 30 kg/m2). Results: A total of 1,026 individuals were evaluated, 274 (26.7%) were of normal weight, 436 (42.5%) were overweight, and 316 (30.8%) were obese. The prevalence of physician-diagnosed asthma was 11.0%. The prevalence of obesity was higher in women (p = 0.03), as it was in respondents with ≤ 4 years of schooling (p < 0.001) or a family income of 3-10 times the national minimum wage. Physician-diagnosed asthma was more common among obese individuals than among those who were overweight and those of normal weight (16.1%, 9.9%, and 8.0%, respectively; p = 0.04), as were dyspnea (35.5%, 22.5%, and 17.9%, respectively; p < 0.001) and wheezing in the last year (25.6%, 11.9%, and 14.6%, respectively; p < 0.001). These results were independent of patient smoking status. In addition, obese individuals were three times more likely to report physician-diagnosed asthma than were those of normal weight (p = 0.005). Conclusions: A report of physician-diagnosed asthma showed a significant association with being ≥ 40 years of age and with having a BMI ≥ 30 kg/m2. Being obese tripled the chance of physician-diagnosed asthma.

 


Keywords: Obesity; Dyspnea; Cough; Asthma; Smoking.

 

8 - Clinical and functional correlations of the difference between slow vital capacity and FVC

Correlação clínica e funcional da diferença entre capacidade vital lenta e CVF

Jonathan Jerias Fernandez1,2, Maria Vera Cruz de Oliveira Castellano3, Flavia de Almeida Filardo Vianna3, Sérgio Roberto Nacif1, Roberto Rodrigues Junior4, Sílvia Carla Sousa Rodrigues1,5

J Bras Pneumol.2020;46(1):e20180328

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Objective: To evaluate the relationship that the difference between slow vital capacity (SVC) and FVC (ΔSVC-FVC) has with demographic, clinical, and pulmonary function data. Methods: This was an analytical cross-sectional study in which participants completed a respiratory health questionnaire, as well as undergoing spirometry and plethysmography. The sample was divided into two groups: ΔSVC-FVC ≥ 200 mL and ΔSVC-FVC < 200 mL. The intergroup correlations were analyzed, and binomial logistic regression analysis was performed. Results: The sample comprised 187 individuals. In the sample as a whole, the mean ΔSVC-FVC was 0.17 ± 0.14 L, and 61 individuals (32.62%) had a ΔSVC-FVC ≥ 200 mL. The use of an SVC maneuver reduced the prevalence of nonspecific lung disease and of normal spirometry results by revealing obstructive lung disease (OLD). In the final logistic regression model (adjusted for weight and body mass index > 30 kg/m2), OLD and findings of air trapping (high functional residual capacity and a low inspiratory capacity/TLC ratio) were predictors of a ΔSVC-FVC ≥ 200 mL. The chance of a bronchodilator response was found to be greater in the ΔSVC-FVC ≥ 200 mL group: for FEV1 (OR = 4.38; 95% CI: 1.45-13.26); and for FVC (OR = 3.83; 95% CI: 1.26-11.71). Conclusions: The use of an SVC maneuver appears to decrease the prevalence of nonspecific lung disease and of normal spirometry results. Individuals with a ΔSVC-FVC ≥ 200 mL, which is probably the result of OLD and air trapping, are apparently more likely to respond to bronchodilator administration.

 


Keywords: Vital capacity; Plethysmography; Airway obstruction.

 

Letters to the Editor

9 - Performance of instruments aimed at detecting obstructive sleep apnea syndrome among individuals in Chile

Desempenho de instrumentos de detecção da síndrome da apneia obstrutiva do sono em indivíduos no Chile

Gonzalo Labarca1,a, Jorge Dreyse2,3,b, Constanza Salas2,3,c, Maria Ines Gaete4,d, Jorge Jorquera2,3,e

J Bras Pneumol.2020;46(1):e20190015

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10 - Influence of a heat and moisture exchanger with a microbiological filter on measurements of maximal respiratory pressures and vital capacity in patients with COPD

Influência do trocador de calor e umidade com filtro microbiológico nas medidas de pressões respiratórias máximas e capacidade vital em pacientes com DPOC

Jeanette Janaina Jaber Lucato1,a, Renata Cléia Claudino Barbosa1,b, Patricia Salerno de Almeida Picanço1,c, Thiago Marraccini Nogueira da Cunha2,d, Renato Fraga Righetti3,e

J Bras Pneumol.2020;46(1):e20190054

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Year 2020 - Volume 46  - Number 2  (March/April)

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Original Article

1 - Multiple cavitary lung lesions on CT: imaging findings to differentiate between malignant and benign etiologies

Lesões escavadas pulmonares múltiplas em TC: achados de imagem para diferenciação entre etiologia maligna e benigna

Irai Luis Giacomelli1, Marcelo Barros1,2, Gabriel Sartori Pacini1, Stephan Altmayer1, Matheus Zanon1, Adriano Basso Dias1, Carlos Schüler Nin1, Roger Pirath Rodrigues3, Edson Marchiori4, Guilherme Watte1,2, Bruno Hochhegger1,2

J Bras Pneumol.2020;46(2):e20190024

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Objective: To determine the CT findings of multiple cavitary lung lesions that allow the differentiation between benign and malignant etiologies. Methods: We reviewed CT scans, including patients with two or more cavitary lung lesions. We evaluated the number of cavitary lesions, their location, cavity wall thickness, and additional findings, correlating the variables with the diagnosis of a benign or malignant lesion. Results: We reviewed the chest CT scans of 102 patients, 58 (56.9%) of whom were male. The average age was 50.5 ± 18.0 years. Benign and malignant lesions were diagnosed in 74 (72.6%) and 28 (27.4%) of the patients, respectively. On the CT scans, the mean number of cavities was 3, the mean wall thickness of the largest lesions was 6.0 mm, and the mean diameter of the largest lesions was 27.0 mm. The lesions were predominantly in the upper lobes, especially on the right (in 43.1%). In our comparison of the variables studied, a diagnosis of malignancy was not found to correlate significantly with the wall thickness of the largest cavity, lymph node enlargement, emphysema, consolidation, bronchiectasis, or bronchial obstruction. The presence of centrilobular nodules correlated significantly with the absence of malignant disease (p < 0.05). In contrast, a greater number of cavities correlated significantly with malignancy (p < 0.026). Conclusions: A larger number of cavitary lung lesions and the absence of centrilobular nodules may be characteristic of a malignant etiology. However, on the basis of our evaluation of the lesions in our sample, we cannot state that wall thickness is a good indicator of a benign or malignant etiology.

 


Keywords: Lung neoplasms/diagnosis; Lung diseases/diagnosis; Tomography, X-ray computed; Neoplasms.

 

Year 2020 - Volume 46  - Number 3  (May/June)

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Original Article

1 - Symptom variability over the course of the day in patients with stable COPD in Brazil: a real-world observational study

Variabilidade dos sintomas diários de pacientes com DPOC estável no Brasil: um estudo observacional de vida real

Alberto Cukier1, Irma de Godoy2, Claudia Henrique da Costa3, Adalberto Sperb Rubin4, Marcelo Gervilla Gregorio5, Aldo Agra de Albuquerque Neto6, Marina Andrade Lima7, Monica Corso Pereira8, Suzana Erico Tanni2, Rodrigo Abensur Athanazio1, Elizabeth Jauhar Cardoso Bessa3, Fernando Cesar Wehrmeister9, Cristina Bassi Lourenco10, Ana Maria Baptista Menezes9

J Bras Pneumol.2020;46(3):e20190223

Abstract PDF PT PDF EN Portuguese Text Appendix

Objective: To analyze symptoms at different times of day in patients with COPD. Methods: This was a multicenter, cross-sectional observational study conducted at eight centers in Brazil. We evaluated morning, daytime, and nighttime symptoms in patients with stable COPD. Results: We included 593 patients under regular treatment, of whom 309 (52.1%) were male and 92 (15.5%) were active smokers. The mean age was 67.7 years, and the mean FEV1 was 49.4% of the predicted value. In comparison with the patients who had mild or moderate symptoms, the 183 (30.8%) with severe symptoms were less physically active (p = 0.002), had greater airflow limitation (p < 0.001), had more outpatient exacerbations (p = 0.002) and more inpatient exacerbations (p = 0.043), as well as scoring worse on specific instruments. The most common morning and nighttime symptoms were dyspnea (in 45.2% and 33.1%, respectively), cough (in 37.5% and 33.3%, respectively), and wheezing (in 24.4% and 27.0%, respectively). The intensity of daytime symptoms correlated strongly with that of morning symptoms (r = 0.65, p < 0.001) and that of nighttime symptoms (r = 0.60, p < 0.001), as well as with the COPD Assessment Test score (r = 0.62; p < 0.001), although it showed only a weak correlation with FEV1 (r = −0.205; p < 0.001). Conclusions: Dyspnea was more common in the morning than at night. Having morning or nighttime symptoms was associated with greater daytime symptom severity. Symptom intensity was strongly associated with poor quality of life and with the frequency of exacerbations, although it was weakly associated with airflow limitation.

 


Keywords: Pulmonary disease, chronic obstructive; Signs and symptoms, respiratory; Quality of life; Disease progression; Brazil.

 

 


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