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1.
J Bras Pneumol ; 45(5): e20180079, 2019 Jun 10.
Artigo em Inglês, Português | MEDLINE | ID: mdl-31188976

RESUMO

OBJECTIVE: To describe the clinical, functional, and radiological features of index cases of familial pulmonary fibrosis (FPF) in Brazil. METHODS: We evaluated 35 patients with FPF - of whom 18 (51.4%) were women - with a median age of 66.0 years (range, 35.5-89.3 years). All of the patients completed a standardized questionnaire, as well as undergoing pulmonary function tests and HRCT of the chest. In 6 cases, lung tissue samples were obtained: from surgical biopsies in 5 cases; and from an autopsy in 1 case. RESULTS: A history of smoking and a history of exposure to birds or mold were reported in 45.7% and 80.0% of the cases, respectively. Cough and marked dyspnea were reported by 62.8% and 48.6% of the patients, respectively. Fine crackles were detected in 91.4% of the patients. In 4 patients, the findings were suspicious for telomere disease. The median FVC and DLCO, as percentages of the predicted values, were 64.9% (range, 48.8-105.7%) and 38.9% (range, 16.0-60.0%), respectively. Nine patients had reduced DLCO despite having normal spirometry results. Regarding HRCT, patterns typical of usual interstitial pneumonia were found in 6 patients (17.1%). In 25 cases (71.5%), the HRCT features were consistent with a diagnosis other than idiopathic pulmonary fibrosis. In 11 cases (31.4%), the radiological patterns were uncharacteristic of interstitial lung disease. Of the six lung tissue samples analyzed, four showed interstitial pneumonia with bronchiolocentric accentuation, and, on the basis of the clinical and radiological data, the corresponding patients were diagnosed with hypersensitivity pneumonitis. CONCLUSIONS: Patients with FPF can present with a wide variety of clinical features. Most HRCT scans of these patients exhibit patterns not typical of usual interstitial pneumonia. The family history of fibrotic lung diseases should be investigated in all patients under suspicion, regardless of their age.


Assuntos
Doenças Pulmonares Intersticiais/patologia , Fibrose Pulmonar/patologia , Adulto , Distribuição por Idade , Idade de Início , Idoso , Idoso de 80 Anos ou mais , Biópsia , Brasil/epidemiologia , Feminino , Humanos , Doenças Pulmonares Intersticiais/diagnóstico por imagem , Doenças Pulmonares Intersticiais/epidemiologia , Masculino , Pessoa de Meia-Idade , Fibrose Pulmonar/diagnóstico por imagem , Fibrose Pulmonar/epidemiologia , Testes de Função Respiratória , Distribuição por Sexo , Tomografia Computadorizada por Raios X
2.
J. bras. pneumol ; J. bras. pneumol;45(5): e20180079, 2019. tab, graf
Artigo em Inglês | LILACS | ID: biblio-1012575

RESUMO

ABSTRACT Objective: To describe the clinical, functional, and radiological features of index cases of familial pulmonary fibrosis (FPF) in Brazil. Methods: We evaluated 35 patients with FPF - of whom 18 (51.4%) were women - with a median age of 66.0 years (range, 35.5-89.3 years). All of the patients completed a standardized questionnaire, as well as undergoing pulmonary function tests and HRCT of the chest. In 6 cases, lung tissue samples were obtained: from surgical biopsies in 5 cases; and from an autopsy in 1 case. Results: A history of smoking and a history of exposure to birds or mold were reported in 45.7% and 80.0% of the cases, respectively. Cough and marked dyspnea were reported by 62.8% and 48.6% of the patients, respectively. Fine crackles were detected in 91.4% of the patients. In 4 patients, the findings were suspicious for telomere disease. The median FVC and DLCO, as percentages of the predicted values, were 64.9% (range, 48.8-105.7%) and 38.9% (range, 16.0-60.0%), respectively. Nine patients had reduced DLCO despite having normal spirometry results. Regarding HRCT, patterns typical of usual interstitial pneumonia were found in 6 patients (17.1%). In 25 cases (71.5%), the HRCT features were consistent with a diagnosis other than idiopathic pulmonary fibrosis. In 11 cases (31.4%), the radiological patterns were uncharacteristic of interstitial lung disease. Of the six lung tissue samples analyzed, four showed interstitial pneumonia with bronchiolocentric accentuation, and, on the basis of the clinical and radiological data, the corresponding patients were diagnosed with hypersensitivity pneumonitis. Conclusions: Patients with FPF can present with a wide variety of clinical features. Most HRCT scans of these patients exhibit patterns not typical of usual interstitial pneumonia. The family history of fibrotic lung diseases should be investigated in all patients under suspicion, regardless of their age.


RESUMO Objetivo: Descrever as características clínicas, funcionais e radiológicas de um grupo de casos índice diagnosticados com fibrose pulmonar familiar (FPF) no Brasil. Métodos: Trinta e cinco pacientes com FPF (18 mulheres; 51,4%), com mediana de idade de 66,0 anos (variação: 35,5-89,3 anos), responderam a um questionário padronizado e foram submetidos a testes de função pulmonar e TCAR de tórax. Tecido pulmonar foi obtido para revisão em 6 casos: a partir de biópsias cirúrgicas em 5 e de autópsia em 1. Resultados: Antecedentes de tabagismo e de exposição a aves ou mofo foram referidos por 45,7% e 80,0% dos casos, respectivamente. Tosse e dispneia significante foram referidas por 62,8% e 48,6% dos pacientes, respectivamente. Estertores finos foram detectados em 91,4% dos indivíduos. Em 4 pacientes, os achados levantaram suspeitas de doença dos telômeros. As medianas da CVF e da DLCO foram, respectivamente, de 64,9% (variação: 48,8-105,7%) e 38,9% (variação: 16,0-60,0%) em porcentagem dos valores previstos. Apesar de espirometria normal, 9 pacientes exibiram DLCO reduzida. Em relação às TCAR, padrões típicos de pneumonia intersticial usual foram encontrados em 6 pacientes (17,1%). Em 25 casos (71,5%) os achados tomográficos foram mais consistentes com um diagnóstico de não relacionado a fibrose pulmonar idiopática. Em 11 pacientes (31,4%) o padrão radiológico foi incaracterístico para doença pulmonar intersticial. Das seis amostras de tecido pulmonar analisadas, quatro mostraram pneumonias intersticiais com acentuação bronquiolocêntrica e, em função de outros dados clínicos e radiológicos, pneumonite de hipersensibilidade foi diagnosticada. Conclusões: Pacientes com FPF podem apresentar características clínicas diversas. A maioria das TCAR desses pacientes exibe padrões não típicos de pneumonia intersticial usual. A pesquisa da história clínica de outros casos de pneumopatias fibrosantes na família deve ser feita em todos os pacientes em investigação, independentemente da idade.


Assuntos
Humanos , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Idoso , Idoso de 80 Anos ou mais , Fibrose Pulmonar/patologia , Doenças Pulmonares Intersticiais/patologia , Fibrose Pulmonar/epidemiologia , Fibrose Pulmonar/diagnóstico por imagem , Testes de Função Respiratória , Biópsia , Brasil/epidemiologia , Tomografia Computadorizada por Raios X , Distribuição por Sexo , Doenças Pulmonares Intersticiais/epidemiologia , Doenças Pulmonares Intersticiais/diagnóstico por imagem , Idade de Início , Distribuição por Idade
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