Rapid urine-based screening tests increase the yield of same-day tuberculosis diagnoses among patients living with advanced HIV disease

dc.contributor.authorWake, Rachel M.
dc.contributor.authorGovender, Nelesh
dc.contributor.authorOmar, Shaheed Vally
dc.contributor.authorIsmail, Farzanah
dc.contributor.authorTiemessen, Caroline T.
dc.contributor.authorHarrison, Thomas S.
dc.contributor.authorJarvis, Joseph N.
dc.date.accessioned2023-09-19T12:17:30Z
dc.date.available2023-09-19T12:17:30Z
dc.date.issued2022-05
dc.description.abstractOBJECTIVE : Investigation of the diagnostic yield of urine-based tuberculosis (TB) screening in patients with advanced HIV disease. DESIGN : A cross-sectional screening study SETTING : HIV outpatient clinics and wards at two hospitals in Johannesburg, South Africa, between June 2015 and October 2017. PARTICIPANTS : Two hundred and one patients living with advanced HIV disease (CD4+ T-lymphocytes <100 cells/μl) attending healthcare facilities following cryptococcal antigen (CrAg) screening. INTERVENTION : Screening for TB using sputum for microscopy, culture, and Xpert MTB/Rif and urine for lipoarabinomannan (LAM) and Xpert Ultra. MAIN OUTCOME MEASURES : Proportion of positive results using each testing modality, sensitivity, and specificity of urine-based testing compared with culture, and survival outcomes during 6 months follow up. RESULTS : Urine was obtained from 177 of 181 (98%) participants and sputum from 91 (50%). Urine-based screening increased same-day diagnostic yield from 7 (4%) to 31 (17%). A positive urine test with either LAM or Xpert Ultra had 100% sensitivity (95% confidence interval, 59–100%) for detecting culture-positive TB at any site. Patients with newly diagnosed TB on urine-based screening were initiated on treatment and did not have excess mortality compared with the remainder of the cohort. CONCLUSION : Urine is an easily obtainable sample with utility for detecting TB in patients with advanced HIV disease. Combining urine and sputum-based screening in this population facilitates additional same-day TB diagnoses and early treatment initiation, potentially reducing the risk of TB-related mortality. Urine-based as well as sputum-based screening for TB should be integrated with CrAg screening in patients living with advanced HIV disease.en_US
dc.description.departmentMedical Microbiologyen_US
dc.description.librarianhj2023en_US
dc.description.sponsorshipMeningitis Research Foundation, the National Institute for Health Research (NIHR) through a Global Health Research Professorship using UK aid from the UK Government to support global health research and a grant from the National Institutes of Health.en_US
dc.description.urihttp://journals.lww.com/aidsonlineen_US
dc.identifier.citationWake, R.M., Govender, N.P., Omar, S.V. et al. 2022, 'Rapid urine-based screening tests increase the yield of same-day tuberculosis diagnoses among patients living with advanced HIV disease', AIDS, vol. 36, no. 6, pp. 839-844, doi : 10.1097/QAD.0000000000003177.en_US
dc.identifier.issn0269-9370 (print)
dc.identifier.issn1473-5571 (online)
dc.identifier.other10.1097/QAD.0000000000003177
dc.identifier.urihttp://hdl.handle.net/2263/92326
dc.language.isoenen_US
dc.publisherLippincott, Williams & Wilkinsen_US
dc.rights© 2022 Wolters Kluwer Health, Inc. All rights reserved. This is a non-final version of an article published in final form in AIDS, vol. 36, no. 6, pp. 839-844, 2022, doi : 10.1097/QAD.0000000000003177.en_US
dc.subjectTuberculosis (TB)en_US
dc.subjectUrine-based tuberculosisen_US
dc.subjectAcquired immune deficiency syndrome (AIDS)en_US
dc.subjectDiagnostic techniques and proceduresen_US
dc.subjectLipoarabinomannanen_US
dc.subjectPoint-of-care (POC)en_US
dc.subjectPoint-of-care systemsen_US
dc.subjectSDG-03: Good health and well-beingen_US
dc.titleRapid urine-based screening tests increase the yield of same-day tuberculosis diagnoses among patients living with advanced HIV diseaseen_US
dc.typePostprint Articleen_US

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