Author | Magalhães, José Luiz de Oliveira | |
Author | Lima, Juliana Figueiredo da Costa | |
Author | Araújo, Ana Albertina de | |
Author | Coutinho, Ilyana Oliveira | |
Author | Leal, Nilma Cintra | |
Author | Almeida, Alzira Maria Paiva de | |
Access date | 2019-04-29T13:11:17Z | |
Available date | 2019-04-29T13:11:17Z | |
Document date | 2018 | |
ISSN | 1678-9849 | pt_BR |
URI | https://www.arca.fiocruz.br/handle/icict/32822 | |
Language | eng | pt_BR |
Rights | open access | pt_BR |
Title | Microscopic detection of Mycobacterium tuberculosis in direct or processed sputum smears | pt_BR |
Type | Article | pt_BR |
DOI | 10.1590/0037-8682-0238-2017 | |
Abstract | Introduction: Microscopic identification of active pulmonary tuberculosis (PTB) from direct smears of sputum (DS) is widely used for detection, but has limited sensitivity. Here, we assessed the yield of acid-fast bacilli (AFB) detection in processed sputum smears (PSS). Methods: Sputum samples were simultaneously analyzed by direct sputum smearing and after chemical treatment and spontaneous sedimentation. Results: Of the 1,719 samples analyzed, 16.4% were positive for AFB in conventional DS and 21.4% in PSS, corresponding to a 30% increase in detection. Conclusions: Increased sensitivity from analyzing PSS and better safety protocols will contribute to improved detection and control of the disease. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Aggeu Magalhães. Departamento de Microbiologia. Recife, PE, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Aggeu Magalhães. Departamento de Imunologia. Recife, PE, Brasil. | pt_BR |
Affilliation | Laboratório Municipal de Saúde Pública. Recife, PE, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Aggeu Magalhães. Departamento de Imunologia. Recife, PE, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Aggeu Magalhães. Departamento de Microbiologia. Recife, PE, Brasil. | pt_BR |
Affilliation | Fundação Oswaldo Cruz. Instituto Aggeu Magalhães. Departamento de Microbiologia. Recife, PE, Brasil. | pt_BR |
Subject | Tuberculosis | pt_BR |
Subject | Sputum processed | pt_BR |
Subject | Smear microscopy | pt_BR |
DeCS | Humanos | pt_BR |
DeCS | Mycobacterium tuberculosis / isolamento & purificação | pt_BR |
DeCS | Sensibilidade e Especificidade | pt_BR |
DeCS | Manipulação de Amostras / métodos | pt_BR |
DeCS | Mutação / microbiologia | pt_BR |
DeCS | Tuberculose Pulmonar / diagnóstico | pt_BR |