Sensitive and Feasible Specimen Collection and Testing Strategies for Diagnosing Tuberculosis in Young Children
Song R, Click ES, McCarthy KD, Heilig CM, Mchembere W, Smith JP, Fajans M, Musau SK, Okeyo E, Okumu A, Orwa J, Gethi D, Odeny L, Lee SH, Perez-Velez CM, Wright CA, Cain KP. Sensitive and Feasible Specimen Collection and Testing Strategies for Diagnosing Tuberculosis in Young Children. JAMA Pediatrics 2021, 175: e206069. PMID: 33616611, PMCID: PMC7900937, DOI: 10.1001/jamapediatrics.2020.6069.Peer-Reviewed Original ResearchConceptsGastric aspiratesNPA samplesResource-limited settingsCurrent reference standardDiagnostic yieldTuberculosis diagnosisXpert MTB/RIFCross-sectional diagnostic studyReference standardNasopharyngeal aspirate samplesSymptoms of tuberculosisMycobacteria growth indicator tube (MGIT) cultureMTB/RIFIncremental diagnostic yieldPositive test resultsYoung childrenSpecimen typesInvasive specimenCervical lymphadenopathyMedian ageMycobacterium tuberculosis complexParenchymal abnormalitiesConsecutive seriesOutpatient settingAspirate samples