Title
Examination of respiratory specimens improves microbiological diagnosis of patients with presumptive extrapulmonary tuberculosis
Date Issued
2021
Access level
open access
Resource Type
journal article
Author(s)
Spener-Gomes R.
Costa A.G.
Melo H.F.d.
Souza A.B.d.
Beraldi-MagalhĂŁes F.
Jesus J.S.
Kritski A.
Safe I.
Andrade B.B.
Trajman A.
Cordeiro-Santos M.
Instituto Gonçalo Moniz
Publisher(s)
Elsevier B.V.
Abstract
Objectives: Bacteriological confirmation of extrapulmonary tuberculosis (EPTB) is challenging for several reasons: the paucibacillary nature of the sample; scarce resources, mainly in middle and low-income countries; the need for hospitalization; and unfavorable outcomes. We evaluated the diagnostic role of respiratory specimen examination prospectively in a cohort of patients with presumptive EPTB. Methods: From July 2018 to January 2019, in a tuberculosis (TB)/HIV reference hospital, a cohort of 157 patients with presumed EPTB was evaluated. XpertÂŽ MTB/RIF Ultra or a culture-positive result was considered for bacteriologically confirmed TB. Results: Out of 157 patients with presumptive EPTB, 97 (62%) provided extrapulmonary and respiratory specimens and 60 (38%) extrapulmonary specimens only. Of the 60 patients with extrapulmonary samples, 5 (8%) were positive. Of those with respiratory and extrapulmonary samples, 27 (28%) were positive: 10 in both the respiratory and extrapulmonary samples, 6 in the extrapulmonary sample only, and 11 in the respiratory sample only. A respiratory specimen examination increased by 6-fold the chance of bacteriological confirmation of TB (odds ratio = 5.97 [1.11â47.17]). Conclusion: We conclude that respiratory samples should be examined in patients with presumptive EPTB.
Start page
743
End page
745
Volume
105
Language
English
OCDE Knowledge area
TecnologĂa mĂŠdica de laboratorio (anĂĄlisis de muestras, tecnologĂas para el diagnĂłstico)
Sistema respiratorio
Subjects
Scopus EID
2-s2.0-85103617909
PubMed ID
Source
International Journal of Infectious Diseases
ISSN of the container
12019712
Sponsor(s)
This work was supported by Coordenação de Aperfeiçoamento de Pessoal de NĂvel Superior (CAPES) (Finance code 001), Conselho Nacional de Desenvolvimento CientĂfico e TecnolĂłgico (CNPq), Fundação de Amparo Ă Pesquisa do Estado do Amazonas (FAPEAM) (PrĂł-Estado Program - #002/2008, PAPAC Program - #005/2019 and PECTI-AM/SAĂDE Program - #004/2020). ALK, BBA and AT are CNPq fellows. RSG and ASB (Master and PhD students) have fellowship from CAPES. The funding agencies were not involved in any phase of the manuscript conception, write, and submission.
Sources of information:
Directorio de ProducciĂłn CientĂfica
Scopus