Brazilian Journal of Pulmonology

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

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Pulmonary involvement in rheumatoid arthritis: evaluation by radiography and spirometry

Doença pulmonar em pacientes com artrite reumatoide: avaliação radiográfica e espirométrica

Alexandre Melo Kawassaki1, Daniel Antunes Silva Pereira1, Fernando Uliana Kay2, Ieda Maria Magalhães Laurindo3, Carlos Roberto Ribeiro Carvalho4, Ronaldo Adib Kairalla1

J Bras Pneumol.2015;41(4):331-342

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Objective: To determine whether simple diagnostic methods can yield relevant disease information in patients with rheumatoid arthritis (RA). Methods: Patients with RA were randomly selected for inclusion in a cross-sectional study involving clinical evaluation of pulmonary function, including pulse oximetry (determination of SpO2, at rest), chest X-ray, and spirometry. Results: A total of 246 RA patients underwent complete assessments. Half of the patients in our sample reported a history of smoking. Spirometry was abnormal in 30% of the patients; the chest X-ray was abnormal in 45%; and the SpO2 was abnormal in 13%. Normal chest X-ray, spirometry, and SpO2 were observed simultaneously in only 41% of the RA patients. A history of smoking was associated with abnormal spirometry findings, including evidence of obstructive or restrictive lung disease, and with abnormal chest X-ray findings, as well as with an interstitial pattern on the chest X-ray. Comparing the patients in whom all test results were normal (n = 101) with those in whom abnormal test results were obtained (n = 145), we found a statistically significant difference between the two groups, in terms of age and smoking status. Notably, there were signs of airway disease in nearly half of the patients with minimal or no history of tobacco smoke exposure. Conclusions: Pulmonary involvement in RA can be identified through the use of a combination of diagnostic methods that are simple, safe, and inexpensive. Our results lead us to suggest that RA patients with signs of lung involvement should be screened for lung abnormalities, even if presenting with no respiratory symptoms.

 


Keywords: Arthritis, rheumatoid; Lung diseases, interstitial; Spirometry; Radiography, thoracic; Airway ob-struction.

 


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

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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.

 


Idiopathic pulmonary fibrosis can be a transient diagnosis

Fibrose pulmonar idiopática pode ser um diagnóstico transitório

Martina Rodrigues de Oliveira1, Daniel Antunes Silva Pereira1, Olívia Meira Dias1, Ronaldo Adib Kairalla1, Carlos Roberto Ribeiro Carvalho1, Bruno Guedes Baldi1

J Bras Pneumol.2016;42(1):74-75

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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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Characterization and outcomes of pulmonary alveolar proteinosis in Brazil: a case series

Proteinose alveolar pulmonar: caracterização e desfechos em uma série de casos no Brasil

Rodolfo Augusto Bacelar de Athayde1,a, Fábio Eiji Arimura1,b, Ronaldo Adib Kairalla1,c, Carlos Roberto Ribeiro Carvalho1,d, Bruno Guedes Baldi1,e

J Bras Pneumol.2018;44(3):231-236

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Objective: Pulmonary alveolar proteinosis (PAP) is a rare disease, characterized by the alveolar accumulation of surfactant, which is composed of proteins and lipids. PAP is caused by a deficit of macrophage activity, for which the main treatment is whole-lung lavage (WLL). We report the experience at a referral center for PAP in Brazil. Methods: This was a retrospective study involving patients with PAP followed between 2002 and 2016. We analyzed information regarding clinical history, diagnostic methods, treatments, and outcomes, as well as data on lung function, survival, and complications. Results: We evaluated 12 patients (8 of whom were women). The mean age was 41 ± 15 years. Most of the patients were diagnosed by means of BAL and transbronchial biopsy. The mean number of WLLs performed per patient was 2.8 ± 2.5. One third of the patients never underwent WLL. Four patients (33.3%) had associated infections (cryptococcosis, in 2; nocardiosis, in 1; and tuberculosis, in 1), and 2 (16.6%) died: 1 due to lepidic adenocarcinoma and 1 due to complications during anesthesia prior to WLL. When we compared baseline data with those obtained at the end of the follow-up period, there were no significant differences in the functional data, although there was a trend toward an increase in SpO2. The median follow-up period was 45 months (range, 1-184 months). The 5-year survival rate was 82%. Conclusions: To our knowledge, this is the largest case series of patients with PAP ever conducted in Brazil. The survival rate was similar to that found at other centers. For symptomatic, hypoxemic patients, the treatment of choice is still WLL. Precautions should be taken in order to avoid complications, especially opportunistic infections.

 



 

 


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