Featured Publications
Sputum quality and diagnostic performance of GeneXpert MTB/RIF among smear-negative adults with presumed tuberculosis in Uganda
Meyer AJ, Atuheire C, Worodria W, Kizito S, Katamba A, Sanyu I, Andama A, Ayakaka I, Cattamanchi A, Bwanga F, Huang L, Davis JL. Sputum quality and diagnostic performance of GeneXpert MTB/RIF among smear-negative adults with presumed tuberculosis in Uganda. PLOS ONE 2017, 12: e0180572. PMID: 28686705, PMCID: PMC5501569, DOI: 10.1371/journal.pone.0180572.Peer-Reviewed Original ResearchConceptsGeneXpert MTB/RIFBlood-stained sputumSputum qualityMTB/RIFSalivary sputumXpert testingDiagnostic performanceMycobacterial cultureCross-sectional studyTB patientsPatient factorsSputum testTB diagnosisDiagnostic yieldMucoid sputumSputum samplesLED fluorescence microscopySputumXpertTuberculosis diagnosticsDemographic informationPatientsAdditional testingHigher proportionSample types
2021
Evaluating the Quality of Tuberculosis Contact Investigation in Cali, Colombia: A Retrospective Cohort Study.
Diaz G, Victoria AM, Meyer AJ, Niño Y, Luna L, Ferro BE, Davis J. Evaluating the Quality of Tuberculosis Contact Investigation in Cali, Colombia: A Retrospective Cohort Study. American Journal Of Tropical Medicine And Hygiene 2021, 104: 1309-1316. PMID: 33617470, PMCID: PMC8045602, DOI: 10.4269/ajtmh.20-0809.Peer-Reviewed Original ResearchConceptsRetrospective cohort studyTuberculosis contact investigationContact investigationTB patientsHousehold visitsTB evaluationClinic visitsCohort studyEarly TB diagnosisIndex TB patientsTB contact investigationActive TB patientsTherapy initiationPreventive therapyTB diagnosisSymptomatic contactsMultivariable modelClinic referralsIndex patientsPatientsContact tracingVisitsCumulative probabilityLittle dataReferral
2019
Home-based tuberculosis contact investigation in Uganda: a household randomised trial
Davis JL, Turimumahoro P, Meyer AJ, Ayakaka I, Ochom E, Ggita J, Mark D, Babirye D, Okello DA, Mugabe F, Fair E, Vittinghoff E, Armstrong-Hough M, Dowdy D, Cattamanchi A, Haberer JE, Katamba A. Home-based tuberculosis contact investigation in Uganda: a household randomised trial. ERJ Open Research 2019, 5: 00112-2019. PMID: 31367636, PMCID: PMC6661318, DOI: 10.1183/23120541.00112-2019.Peer-Reviewed Original ResearchCommunity health workersTB contact investigationTuberculosis contact investigationContact investigationTB evaluationIndex patientsWorld Health OrganizationIntervention armHousehold tuberculosis contact investigationCare armHousehold contactsPulmonary TBSputum testingCare contactsHIV diagnosisSecondary outcomesHIV testingPrimary outcomeSymptomatic contactsHealth workersMicrobiologic testingHome evaluationIntervention componentsSputumPatients
2018
‘Something so hard': a mixed-methods study of home sputum collection for tuberculosis contact investigation in Uganda
Armstrong-Hough M, Ggita J, Turimumahoro P, Meyer AJ, Ochom E, Dowdy D, Cattamanchi A, Katamba A, Davis JL. ‘Something so hard': a mixed-methods study of home sputum collection for tuberculosis contact investigation in Uganda. The International Journal Of Tuberculosis And Lung Disease 2018, 22: 1152-1159. PMID: 30236182, PMCID: PMC6496950, DOI: 10.5588/ijtld.18.0129.Peer-Reviewed Original ResearchConceptsLay health workersSputum collectionContact investigationHome-based collectionTB contact investigationContacts of patientsTuberculosis contact investigationDiagnosis of tuberculosisActive tuberculosisPrompt evaluationRisk factorsEnhanced interventionsIndex patientsConvergent mixed-methods studyHealth workersHome visitsSputumClinical settingTuberculosisMixed-methods studyMixed-method studyPatientsContact interviewsFocus group discussionsInterventionSocial determinants of tuberculosis evaluation among household contacts: a secondary analysis
Shelby T, Meyer AJ, Ochom E, Turimumahoro P, Babirye D, Katamba A, Davis JL, Armstrong-Hough M. Social determinants of tuberculosis evaluation among household contacts: a secondary analysis. Public Health Action 2018, 8: 118-123. PMID: 30271727, PMCID: PMC6147061, DOI: 10.5588/pha.18.0025.Peer-Reviewed Original ResearchTB evaluationHousehold contactsContact investigationSocial determinantsHousehold contact investigationCross-sectional studyTuberculosis evaluationTB patientsPrimary level educationTuberculosis unitSputum collectionControl armIndividual symptomsSecondary analysisLow incomeSpecific mechanismsSocio-economic determinantsMedian incomeHead of householdFurther researchSocio-economic factorsPatientsDeterminantsClinicEvaluationPatterns of usage and preferences of users for tuberculosis-related text messages and voice calls in Uganda
Ggita JM, Ojok C, Meyer AJ, Farr K, Shete PB, Ochom E, Turimumahoro P, Babirye D, Mark D, Dowdy D, Ackerman S, Armstrong-Hough M, Nalugwa T, Ayakaka I, Moore D, Haberer JE, Cattamanchi A, Katamba A, Davis JL. Patterns of usage and preferences of users for tuberculosis-related text messages and voice calls in Uganda. The International Journal Of Tuberculosis And Lung Disease 2018, 22: 530-536. PMID: 29663958, PMCID: PMC6350252, DOI: 10.5588/ijtld.17.0521.Peer-Reviewed Original ResearchConceptsClinic attendeesHousehold contactsTB patientsClinic visitsClinic patientsMHealth interventionsTuberculosisMobile phone accessHealth communicationPatientsUrban KampalaMost contactPhone accessPhone sharingLittle informationAttendeesText messagesPatterns of usageShort messaging service (SMS) messagesUgandaCentral UgandaVisitsRecipients