Brazilian Journal of Pulmonology

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

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The search for the author or contributors found : 3 results


Pulmonary involvement in Crohn's disease

Comprometimento pulmonar na doença de Crohn

Rodolfo Augusto Bacelar de Athayde1,a, Felipe Marques da Costa1,b, Ellen Caroline Toledo do Nascimento2,c, Roberta Karla Barbosa de Sales1,d, Andre Nathan Costa1,e

J Bras Pneumol.2018;44(6):519-521

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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.

 



Obesity hypoventilation syndrome: a current review

Síndrome de obesidade-hipoventilação: uma revisão atual

Rodolfo Augusto Bacelar de Athayde1,2,a, José Ricardo Bandeira de Oliveira Filho1,b, Geraldo Lorenzi Filho2,c, Pedro Rodrigues Genta2,d

J Bras Pneumol.2018;44(6):510-518

Abstract Portuguese Text

Obesity hypoventilation syndrome (OHS) is defined as the presence of obesity (body mass index ≥ 30 kg/m²) and daytime arterial hypercapnia (PaCO2 ≥ 45 mmHg) in the absence of other causes of hypoventilation. OHS is often overlooked and confused with other conditions associated with hypoventilation, particularly COPD. The recognition of OHS is important because of its high prevalence and the fact that, if left untreated, it is associated with high morbidity and mortality. In the present review, we address recent advances in the pathophysiology and management of OHS, the usefulness of determination of venous bicarbonate in screening for OHS, and diagnostic criteria for OHS that eliminate the need for polysomnography. In addition, we review advances in the treatment of OHS, including behavioral measures, and recent studies comparing the efficacy of continuous positive airway pressure with that of noninvasive ventilation.

 


Keywords: Obesity; Obesity hypoventilation syndrome; Noninvasive ventilation.

 


 

 


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