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Clinical and epidemiological characteristics of M. kansasii pulmonary infections from Rio de Janeiro, Brazil, between 2006 and 2016

Overview of attention for article published in Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia, January 2020
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Title
Clinical and epidemiological characteristics of M. kansasii pulmonary infections from Rio de Janeiro, Brazil, between 2006 and 2016
Published in
Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia, January 2020
DOI 10.36416/1806-3756/e20190345
Pubmed ID
Authors

Telma Goldenberg, Regina Gayoso, Roberto Mogami, Maria Cristina Lourenço, Jesus Paes Ramos, Luciana Distasio de Carvalho, Margareth Pretti Dalcolmo, Fernanda Carvalho de Queiroz Mello

Abstract

Objective To evaluate clinical, tomographic, and microbiological characteristics of pulmonary disease caused by M. kansasii (MKPD) in patients treated at an outpatient unit from 2006-2016. Methods We studied thirty eight patients, and analyzed socio-demographic, clinical-radiological, laboratory, and therapeutic characteristics. Results The mean age was 64 years (SD = 10.6; IIQ = 57-72; median = 65.0), and 22 (57.9%) male patients. Pulmonary comorbidity was present in 89.5% of the patients. The most frequent comorbidity was bronchiectasis (78.9%). Previous treatment for pulmonary tuberculosis (PTB) was found in 65.9%. The most used therapeutic regimen was rifampicin, isoniazid and ethambutol (44.7%). Chest tomography (CT) showed bronchiectasis (94.1%), architectural distortion (76.5%), septum thickening (67.6%), and cavities (64.7%). Disease was bilateral in 85.2%. We observed 10.7% resistance to rifampicin, 67.9% resistance to ethambutol, and sensitivity to clarithromycin. Conclusion In patients with structural lung disease, it is important to search for NTM, the main differential diagnosis with PTB. Chest CT showed different patterns that overlapped with structural disease caused by PTB or other lung diseases. We observed resistance to ethambutol, a drug component of the recommended regimen.

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The data shown below were compiled from readership statistics for 21 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 21 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 5 24%
Student > Ph. D. Student 2 10%
Researcher 2 10%
Student > Master 2 10%
Student > Doctoral Student 2 10%
Other 3 14%
Unknown 5 24%
Readers by discipline Count As %
Nursing and Health Professions 4 19%
Medicine and Dentistry 4 19%
Immunology and Microbiology 4 19%
Biochemistry, Genetics and Molecular Biology 2 10%
Business, Management and Accounting 1 5%
Other 1 5%
Unknown 5 24%