2023
Geographic distribution and predictors of diagnostic delays among possible TB patients in Uganda
Ochom E, Robsky K, Gupta A, Tamale A, Kungu J, Turimumahoro P, Nakasendwa S, Rwego I, Muttamba W, Joloba M, Ssengooba W, Davis J, Katamba A. Geographic distribution and predictors of diagnostic delays among possible TB patients in Uganda. Public Health Action 2023, 13: 70-76. PMID: 37736583, PMCID: PMC10446659, DOI: 10.5588/pha.23.0010.Peer-Reviewed Original ResearchHealth system delayPatient delayTB evaluationDiagnostic delayHealth system-related delaysSystem-related delaysTB diagnostic delayMultivariate logistic regressionTB knowledgeTB patientsTB diagnosisPatient outcomesSecondary analysisLogistic regressionGlobal Moran's IMarital statusPatientsAdultsPredictorsIndividual predictorsMarried individualsIndividual factorsGeographic hotspotsYearsDiagnosisA user-centred implementation strategy for tuberculosis contact investigation in Uganda: protocol for a stepped-wedge, cluster-randomised trial
Katamba A, Gupta A, Turimumahoro P, Ochom E, Ggita J, Nakasendwa S, Nanziri L, Musinguzi J, Hennein R, Sekadde M, Hanrahan C, Byaruhanga R, Yoeli E, Turyahabwe S, Cattamanchi A, Dowdy D, Haberer J, Armstrong-Hough M, Kiwanuka N, Davis J. A user-centred implementation strategy for tuberculosis contact investigation in Uganda: protocol for a stepped-wedge, cluster-randomised trial. BMC Public Health 2023, 23: 1568. PMID: 37592314, PMCID: PMC10436440, DOI: 10.1186/s12889-023-16510-0.Peer-Reviewed Original ResearchConceptsContact investigationClinical effectiveness outcomesPrimary implementation outcomeTB contact investigationTB preventative therapyTB treatment initiationTimely TB diagnosisTrial registrationThe trialTuberculosis contact investigationCluster-randomised trialHigh-burden settingsImplementation-effectiveness trialEvidence-based interventionsUganda National CouncilWorld Health OrganizationProportion of contactsTB evaluationPeer-reviewed journalsMiddle-income countriesTreatment initiationTB diagnosisPreventative therapyUndiagnosed personsInfectious deathSputum samplesFrequency of HIV serodifferent couples within TB-affected households in a setting with a high burden of HIV-associated TB
Anguzu G, Gupta A, Ochom E, Tseng A, Zhang M, Barnabas R, Flaxman A, Katamba A, Davis J, Ross J. Frequency of HIV serodifferent couples within TB-affected households in a setting with a high burden of HIV-associated TB. BMC Infectious Diseases 2023, 23: 388. PMID: 37296396, PMCID: PMC10251627, DOI: 10.1186/s12879-023-08365-y.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virusUganda AIDS Indicator SurveyHIV prevention servicesIndex participantsContact investigationGeneral populationPrevention servicesFrequency of HIVProportion of HIVRisk of HIVSelf-reported HIV statusHIV testing resultsHIV-serodifferent couplesHousehold contact investigationTB contact investigationAIDS Indicator SurveyCross-sectional trialCommunity health workersIndex partnerSerodifferent couplesTB evaluationHousehold contactsHomes of participantsHIV statusImmunodeficiency virus
2022
Feasibility and Sensitivity of Saliva GeneXpert MTB/RIF Ultra for Tuberculosis Diagnosis in Adults in Uganda
Byanyima P, Kaswabuli S, Musisi E, Nabakiibi C, Zawedde J, Sanyu I, Sessolo A, Andama A, Worodria W, Huang L, Davis JL. Feasibility and Sensitivity of Saliva GeneXpert MTB/RIF Ultra for Tuberculosis Diagnosis in Adults in Uganda. Microbiology Spectrum 2022, 10: e00860-22. PMID: 36154664, PMCID: PMC9603304, DOI: 10.1128/spectrum.00860-22.Peer-Reviewed Original ResearchConceptsGeneXpert MTB/RIF UltraMTB/RIF UltraXpert UltraTB diagnosisMolecular testingHigh TB burden settingsCulture-confirmed TB casesSaliva samplesTB diagnostic evaluationActive tuberculosis diseaseProspective observational studyActive TB diagnosisCause of morbidityAcid-fast bacilliComposite reference standardReference standardCase-only studySingle saliva sampleWorld Health OrganizationSpot sputumTB evaluationConsecutive adultsTB casesBurden settingsOutpatient department
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
Social 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 factorsPatientsDeterminantsClinicEvaluation
2017
Drop-out from the tuberculosis contact investigation cascade in a routine public health setting in urban Uganda: A prospective, multi-center study
Armstrong-Hough M, Turimumahoro P, Meyer AJ, Ochom E, Babirye D, Ayakaka I, Mark D, Ggita J, Cattamanchi A, Dowdy D, Mugabe F, Fair E, Haberer JE, Katamba A, Davis JL. Drop-out from the tuberculosis contact investigation cascade in a routine public health setting in urban Uganda: A prospective, multi-center study. PLOS ONE 2017, 12: e0187145. PMID: 29108007, PMCID: PMC5673209, DOI: 10.1371/journal.pone.0187145.Peer-Reviewed Original ResearchConceptsHousehold contact investigationNational TB ProgrammeContact investigationTB evaluationActive TBHealth workersPatient householdsMulti-center observational studyIndex TB patientsTB contact investigationLay health workersTuberculosis contact investigationMulti-center studyRoutine public health settingPublic health settingsTB patientsTB programsEligible contactsTuberculosis unitProgrammatic settingsRisk factorsIndex householdsIndex patientsObservational studyRisk contacts
2011
The Clinical And Public Health Impact Of Automated Nucleic Acid Testing For TB Evaluation In San Francisco
Davis J, Ho C, Cattamanchi A, Grinsdale J, Metcalfe J, Pandori M, Banouvong H, Babst A, Carlson J, Hopewell P, Kawamura L. The Clinical And Public Health Impact Of Automated Nucleic Acid Testing For TB Evaluation In San Francisco. 2011, a5314-a5314. DOI: 10.1164/ajrccm-conference.2011.183.1_meetingabstracts.a5314.Peer-Reviewed Original Research