Brazilian Journal of Pulmonology

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


Publication continuous and bimonthly

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Is a low level of education a limiting factor for asthma control in a population with access to pulmonologists and to treatment?

A baixa escolaridade é um fator limitante para o controle da asma em uma população com acesso a pneumologista e tratamento?

Cassia Caroline Emilio1,a, Cintia Fernanda Bertagni Mingotti1,b, Paula Regina Fiorin1,c, Leydiane Araujo Lima1,d, Raisa Lemos Muniz1,e, Luis Henrique Bigotto1,f, Evaldo Marchi2,g, Eduardo Vieira Ponte1,h

J Bras Pneumol.2019;45(1):e20180052-e20180052

Abstract PDF PT PDF EN Portuguese Text

Objective: To determine whether a low level of education is a risk factor for uncontrolled asthma in a population of patients who have access to pulmonologists and to treatment. Methods: This was a cross-sectional study involving outpatients > 10 years of age diagnosed with asthma who were followed by a pulmonologist for at least 3 months in the city of Jundiai, located in the state of São Paulo, Brazil. The patients completed a questionnaire specifically designed for this study, the 6-item Asthma Control Questionnaire (to assess the control of asthma symptoms), and a questionnaire designed to assess treatment adherence. Patients underwent spirometry, and patient inhaler technique was assessed. Results: 358 patients were enrolled in the study. Level of education was not considered a risk factor for uncontrolled asthma symptoms (OR = 0.99; 95% CI: 0.94-1.05), spirometry findings consistent with obstructive lung disease (OR = 1.00; 95% CI: 0.99-1.01), uncontrolled asthma (OR = 1.03; 95% CI: 0.95-1.10), or the need for moderate/high doses of inhaled medication (OR = 0.99; 95% CI: 0.94-1.06). The number of years of schooling was similar between the patients in whom treatment adherence was good and those in whom it was poor (p = 0.08), as well as between those who demonstrated proper inhaler technique and those who did not (p = 0.41). Conclusions: Among asthma patients with access to pulmonologists and to treatment, a low level of education does not appear to be a limiting factor for adequate asthma control.


Keywords: Asthma; Educational status; Spirometry; Treatment adherence and compliance.


Reexpansion pulmonary edema

Edema pulmonar de reexpansão

Eduardo Henrique Genofre, Francisco S. Vargas, Lisete R. Teixeira, Marcelo Alexandre Costa Vaz, Evaldo Marchi

J Bras Pneumol.2003;29(2):101-106

Abstract PDF PT

Reexpansion pulmonary edema (RPE) is a rare, but frequently lethal, clinical entity. The precise pathophysiologic abnormalities associated with this disorder are still unknown: decreased surfactant levels and a pro-inflammatory status are putative mechanisms. Early diagnosis is crucial, since prognosis depends on early recognition and prompt treatment. Considering the high mortality rates related to RPE, preventive measures are still the best available strategy for patient handling. This review provides a brief overview of the pathophysiology, diagnosis, treatment, and prevention of RPE, with practical recommendations for adequate intervention.


Pleurodesis induced by intrapleural injection of silver nitrate or talc in rabbits. Can it be used in humans?

Pleurodese induzida pela injeção intrapleural de nitrato de prata ou talco em coelhos: há perspectivas para o uso em humanos?

Francisco S. Vargas, Leila Antonangelo, Marcelo A.C. Vaz, Evaldo Marchi, Vera Luiza Capelozzi, Eduardo H. Genofre, Lisete R. Teixeira

J Bras Pneumol.2003;29(2):57-63

Abstract PDF PT

Objective: To evaluate the pleurodesis and the lung damage caused by intrapleural silver nitrate or talc in an experimental model in rabbits to consider the use in human beings. Design: 112 rabbits were randomized to receive intrapleural 0.5% silver nitrate or 400 mg/kg talc slurry in 2 ml saline. Eight rabbits in each group were sacrificed 1, 2, 4, 6, 8, 10, or 12 months post injection. The degree of pleurodesis (gross pleural fibrosis and inflammation), lung damage (collapse and edema), and cellular infiltrates were graded on a 0 to 4 scale. Results: The intrapleural injection of silver nitrate produced a better pleurodesis than did the intrapleural injection of talc slurry. The lung damage was moderate 1 month after silver nitrate and greater than after talc. They were similar as from the second month. Conclusions: The better pleurodesis induced by silver nitrate persists for at least one year. The more evident lung damage after silver nitrate was mild with reversible changes which show a clear tendency to normalize with time. For these reasons, the efficacy of silver nitrate as a sclerosing agent in humans should be evaluated.


Keywords: Pleurodesis. Talc. Silver nitrate. Pleural effusion.


Pleurodese nos derrames pleurais malignos: Um inquérito entre médicos em países da América do Sul e Central

Pleurodese nos derrames pleurais malignos: Um inquérito entre médicos em países da América do Sul e Central

Evaldo Marchi, Francisco Suso Vargas, Bruna Affonso Madaloso, Marcus Vinicius Carvalho, Ricardo Mingarini Terra, Lisete Ribeiro Teixeira

J Bras Pneumol.2010;36(6):759-767

Abstract PDF PT PDF EN Portuguese Text

Objective: Pleurodesis is an effective alternative for the control of malignant pleural effusions. However, there is as yet no consensus regarding the indications for the procedure and the techniques employed therein. The objective of this study was to evaluate how pleurodesis is performed in South and Central America. Methods: Professionals who perform pleurodesis completed a questionnaire regarding the indications for the procedure, the techniques used therein, and the outcomes obtained. Results: Our sample comprised 147 respondents in Brazil, 49 in other South American countries, and 36 in Central America. More than 50% of the respondents reported performing pleurodesis only if pleural malignancy had been confirmed. However, scores on dyspnea and performance status scales were rarely used as indications for the procedure. Nearly 75% of the respondents in Brazil and in Central America preferred to perform pleurodesis only for recurrent effusions and stated that lung expansion should be 90-100%. Talc slurry, instilled via medium-sized chest tubes, was the agent most often employed. Thoracoscopy was performed in less than 25% of cases. Fever and chest pain were the most common side effects, and empyema occurred in ≤ 14% of cases. The mean survival time after the procedure was most often reported to be 6-12 months. Conclusions: There was considerable variation among the countries evaluated in terms of the indications for pleurodesis, techniques used, and outcomes. Talc slurry is the agent most commonly used, and thoracoscopy is the technique of choice in Brazil. Pleurodesis is an effective procedure that has few side effects, as evidenced by the low complication rates and high survival times.


Keywords: Pleural effusion, malignant; Pleura; Pleurodesis.


Pleurodesis: future prospects

Pleurodese: perspectivas futuras

Francisco S. Vargas, Lisete R. Teixeira, Alípio O. Carmo, Evaldo Marchi, Marcelo Costa Vaz, Leila Antonangelo, Fábio B. Jatene

J Bras Pneumol.2000;26(6):307-312

Abstract PDF PT

This article addresses the evolution of pleurodesis since the beginning of the 20th century and defines the characteristics of the ideal sclerosing agent. Emphasis is placed on the current tendency towards minimally invasive procedures where insertion of catheters is usually given priority over certain surgical procedures such as placement of drains or thoracoscopy. Among the sclerosing drugs, talc is the one preferred throughout the world. However, the possible appearance of respiratory distress syndrome, which is sometimes fatal, caused the awakening of interest in other drugs. Anti neoplastic drugs do not induce a very efficient pleurodesis and still have the disadvantage of causing important side effects. Sodium hydroxide and silver nitrate produce effective pleurodesis. Both can be used in humans.


Keywords: Pleurodesis. Sclerosing solutions. Clinical procedures.




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