Brazilian Journal of Pulmonology

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

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Hard metal lung disease: a case series

Doença pulmonar por metal duro: uma série de casos

Rafael Futoshi Mizutani1, Mário Terra-Filho1,2, Evelise Lima1, Carolina Salim Gonçalves Freitas1, Rodrigo Caruso Chate3, Ronaldo Adib Kairalla1,2, Regiani Carvalho-Oliveira4, Ubiratan Paula Santos1

J Bras Pneumol.2016;42(6):447-452

Abstract PDF PT PDF EN Portuguese Text

Objective: To describe diagnostic and treatment aspects of hard metal lung disease (HMLD) and to review the current literature on the topic. Methods: This was a retrospective study based on the medical records of patients treated at the Occupational Respiratory Diseases Clinic of the Instituto do Coração, in the city of São Paulo, Brazil, between 2010 and 2013. Results: Of 320 patients treated during the study period, 5 (1.56%) were diagnosed with HMLD. All of those 5 patients were male (mean age, 42.0 ± 13.6 years; mean duration of exposure to hard metals, 11.4 ± 8.0 years). Occupational histories were taken, after which the patients underwent clinical evaluation, chest HRCT, pulmonary function tests, bronchoscopy, BAL, and lung biopsy. Restrictive lung disease was found in all subjects. The most common chest HRCT finding was ground glass opacities (in 80%). In 4 patients, BALF revealed multinucleated giant cells. In 3 patients, lung biopsy revealed giant cell interstitial pneumonia. One patient was diagnosed with desquamative interstitial pneumonia associated with cellular bronchiolitis, and another was diagnosed with a hypersensitivity pneumonitis pattern. All patients were withdrawn from exposure and treated with corticosteroid. Clinical improvement occurred in 2 patients, whereas the disease progressed in 3. Conclusions: Although HMLD is a rare entity, it should always be included in the differential diagnosis of respiratory dysfunction in workers with a high occupational risk of exposure to hard metal particles. A relevant history (clinical and occupational) accompanied by chest HRCT and BAL findings suggestive of the disease might be sufficient for the diagnosis.

 


Keywords: Lung diseases, interstitial; Cobalt; Tungsten; Occupational exposure; Hard metal.

 


Eosinophilic pneumonia: remember topical drugs as a potential etiology

Pneumonia eosinofílica: lembre-se de medicamentos tópicos como possível etiologia

Olívia Meira Dias1,a, Ellen Caroline Toledo do Nascimento2,b, Rodrigo Caruso Chate3,c, Ronaldo Adib Kairalla1,d, Bruno Guedes Baldi1,e

J Bras Pneumol.2018;44(6):522-524

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Ultrasound-guided intrapleural positioning of pleural catheters: influence on immediate lung expansion and pleurodesis in patients with recurrent malignant pleural effusion

Posicionamento intrapleural, guiado por ultrassonografia, de cateteres pleurais: influência na expansão pulmonar imediata e na pleurodese em pacientes com derrame pleural maligno recorrente

Pedro Henrique Xavier Nabuco de Araujo1, Ricardo Mingarini Terra1, Thiago da Silva Santos1, Rodrigo Caruso Chate2, Antonio Fernando Lins de Paiva2, Paulo Manuel Pêgo-Fernandes1

J Bras Pneumol.2017;43(3):190-194

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Objective: To evaluate the role of intrapleural positioning of a pleural catheter in early lung expansion and pleurodesis success in patients with recurrent malignant pleural effusion (RMPE). Methods: This was a retrospective study nested into a larger prospective cohort study including patients with RMPE recruited from a tertiary university teaching hospital between June of 2009 and September of 2014. The patients underwent pleural catheter insertion followed by bedside pleurodesis. Chest CT scans were performed twice: immediately before pleurodesis (iCT) and 30 days after pleurodesis (CT30). Catheter positioning was categorized based on iCT scans as posterolateral, anterior, fissural, and subpulmonary. We used the pleural volume on iCT scans to estimate early lung expansion and the difference between the pleural volumes on CT30 and iCT scans to evaluate radiological success of pleurodesis. Clinical pleurodesis success was defined as no need for any other pleural procedure. Results: Of the 131 eligible patients from the original study, 85 were included in this nested study (64 women; mean age: 60.74 years). Catheter tip positioning was subpulmonary in 35 patients (41%), anterior in 23 (27%), posterolateral in 17 (20%), and fissural in 10 (12%). No significant differences were found among the groups regarding early lung expansion (median residual pleural cavity = 377 mL; interquartile range: 171-722 mL; p = 0.645), radiological success of pleurodesis (median volume = 33 mL; interquartile range: −225 to 257 mL; p = 0.923), and clinical success of pleurodesis (85.8%; p = 0.676). Conclusions: Our results suggest that the position of the tip of the pleural catheter influences neither early lung expansion nor bedside pleurodesis success in patients with RMPE.

 


Keywords: Pleurodesis; Pleural effusion, malignant; Tomography; Catheters.

 


Low-dose CT screening for lung cancer in Brazil: a study protocol

Rastreamento de câncer de pulmão por meio de TC de baixa dosagem no Brasil: protocolo de pesquisa

Ricardo Sales dos Santos, Juliana Franceschini, Fernando Uliana Kay, Rodrigo Caruso Chate, Altair da Silva Costa Júnior, Fernando Nunes Galvão de Oliveira, André Luiz Cavalcante Trajano, José Rodrigues Pereira, Jose Ernesto Succi, Roberto Saad Junior

J Bras Pneumol.2014;40(2):-

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