2024
Risk factors underlying racial and ethnic disparities in tuberculosis diagnosis and treatment outcomes, 2011–19: a multiple mediation analysis of national surveillance data
Regan M, Barham T, Li Y, Swartwood N, Beeler Asay G, Cohen T, Horsburgh C, Khan A, Marks S, Myles R, Salomon J, Self J, Winston C, Menzies N. Risk factors underlying racial and ethnic disparities in tuberculosis diagnosis and treatment outcomes, 2011–19: a multiple mediation analysis of national surveillance data. The Lancet Public Health 2024, 9: e564-e572. PMID: 39095133, DOI: 10.1016/s2468-2667(24)00151-8.Peer-Reviewed Original ResearchConceptsUS-born individualsNon-US-born individualsHispanic individualsTract-level povertyTract-level measuresEthnic disparitiesCensus tract levelCensus tract-level povertyEconomic segregationEvidence of disparitiesAnalysis of national surveillance dataBlack individualsTuberculosis outcomesNeighborhood-level social vulnerabilityTract levelUS-bornSocial vulnerabilityUS National Tuberculosis Surveillance SystemNational Tuberculosis Surveillance SystemHigh riskCensusNational surveillance dataTuberculosis Surveillance SystemCase managementReduce disparitiesPhylogeographic Analysis of Mycobacterium kansasii Isolates from Patients with M. kansasii Lung Disease in Industrialized City, Taiwan - Volume 30, Number 8—August 2024 - Emerging Infectious Diseases journal - CDC
Cudahy P, Liu P, Warren J, Sobkowiak B, Yang C, Ioerger T, Wu C, Lu P, Wang J, Chang H, Huang H, Cohen T, Lin H. Phylogeographic Analysis of Mycobacterium kansasii Isolates from Patients with M. kansasii Lung Disease in Industrialized City, Taiwan - Volume 30, Number 8—August 2024 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2024, 30: 1562-1570. PMID: 39043390, PMCID: PMC11286038, DOI: 10.3201/eid3008.240021.Peer-Reviewed Original ResearchConceptsM. kansasii lung diseaseM. kansasii pulmonary diseasePulmonary diseaseM. kansasii isolatesSputum mycobacterial cultureWhole-genome sequencingEvaluate risk factorsPhylogeographic analysisAge of participantsGenetic relatednessEnvironmental acquisitionLung diseaseMycobacterial cultureOdds ratioRisk factorsM. kansasiiPatientsDiseasePlantsEnvironmental transmissionIsolatesPark plantingsCDCRiskPredictors of unsuccessful tuberculosis treatment outcomes in Brazil: an analysis of 259,484 patient records
Ryuk D, Pelissari D, Alves K, Oliveira P, Castro M, Cohen T, Sanchez M, Menzies N. Predictors of unsuccessful tuberculosis treatment outcomes in Brazil: an analysis of 259,484 patient records. BMC Infectious Diseases 2024, 24: 531. PMID: 38802744, PMCID: PMC11129366, DOI: 10.1186/s12879-024-09417-7.Peer-Reviewed Original ResearchConceptsTreatment outcomesFactors associated with unsuccessful treatment outcomesHigher risk of poor treatment outcomeTB treatmentRisk of poor treatment outcomesUnsuccessful treatmentEffectiveness of TB treatmentAssociated with unsuccessful treatmentUnsuccessful treatment outcomesTuberculosis treatment outcomesDrug-susceptible TBHealth system levelMultivariate logistic regression modelService-related factorsTB drug resistanceComorbid health conditionsHealth-related behaviorsCategorizing treatment outcomesPatient-level factorsClinical examination resultsNational Disease Notification SystemPoor treatment outcomesDisease notification systemHIV infectionLogistic regression models
2021
Global estimates of paediatric tuberculosis incidence in 2013–19: a mathematical modelling analysis
Yerramsetti S, Cohen T, Atun R, Menzies NA. Global estimates of paediatric tuberculosis incidence in 2013–19: a mathematical modelling analysis. The Lancet Global Health 2021, 10: e207-e215. PMID: 34895517, PMCID: PMC8800006, DOI: 10.1016/s2214-109x(21)00462-9.Peer-Reviewed Original ResearchConceptsPediatric tuberculosisTuberculosis incidenceStudy periodIncident tuberculosis casesTuberculosis incidence rateReporting systemHigh-burden settingsGlobal tuberculosis burdenTuberculosis natural historyPediatric incidenceInfectious exposurePrompt diagnosisSubstantial morbidityTuberculosis burdenTuberculosis casesIncidence rateRisk factorsCase detectionGlobal incidenceProbability of infectionInfected individualsAge groupsNatural historyTuberculosisIncidenceLifetime burden of disease due to incident tuberculosis: a global reappraisal including post-tuberculosis sequelae
Menzies NA, Quaife M, Allwood BW, Byrne AL, Coussens AK, Harries AD, Marx FM, Meghji J, Pedrazzoli D, Salomon JA, Sweeney S, van Kampen SC, Wallis RS, Houben RMGJ, Cohen T. Lifetime burden of disease due to incident tuberculosis: a global reappraisal including post-tuberculosis sequelae. The Lancet Global Health 2021, 9: e1679-e1687. PMID: 34798027, PMCID: PMC8609280, DOI: 10.1016/s2214-109x(21)00367-3.Peer-Reviewed Original ResearchConceptsPost-tuberculosis sequelaeBurden estimatesTuberculosis diseaseDisease episodesIncident tuberculosisIncident tuberculosis casesIncident tuberculosis diseaseNon-fatal health lossOverall disease burdenPulmonary tuberculosis diseaseLifetime health outcomesDisease burden estimatesElevated mortality riskHigh incidence rateExtrapulmonary diseaseLung functionCase fatalityHIV statusLifetime burdenTuberculosis casesTotal DALYsDisease burdenIncidence rateHypothetical cohortTuberculosis survivorsThe escalating tuberculosis crisis in central and South American prisons
Walter KS, Martinez L, Arakaki-Sanchez D, Sequera VG, Sanabria G, Cohen T, Ko AI, García-Basteiro AL, Rueda ZV, López-Olarte RA, Espinal MA, Croda J, Andrews JR. The escalating tuberculosis crisis in central and South American prisons. The Lancet 2021, 397: 1591-1596. PMID: 33838724, PMCID: PMC9393884, DOI: 10.1016/s0140-6736(20)32578-2.Peer-Reviewed Original ResearchMeSH KeywordsCentral AmericaHealth Services AccessibilityHumansIncidencePrisonersRisk FactorsSouth AmericaTuberculosisProtective impacts of household-based tuberculosis contact tracing are robust across endemic incidence levels and community contact patterns
Havumaki J, Cohen T, Zhai C, Miller JC, Guikema SD, Eisenberg MC, Zelner J. Protective impacts of household-based tuberculosis contact tracing are robust across endemic incidence levels and community contact patterns. PLOS Computational Biology 2021, 17: e1008713. PMID: 33556077, PMCID: PMC7895355, DOI: 10.1371/journal.pcbi.1008713.Peer-Reviewed Original ResearchConceptsTuberculosis burdenCommunity transmissionGlobal tuberculosis control targetsSustained community transmissionHigh-incidence settingsHigh disease burdenTuberculosis contact tracingLow tuberculosis burdenHousehold contactsHousehold transmissionDisease burdenVaried incidenceContact patternsIncidence levelsProtective impactEpidemiological settingsInfected individualsNew casesProtective benefitsContact tracingCommunity contactsSuch interventionsInterventionBurdenProactive case
2020
Risk factors for recurrent tuberculosis after successful treatment in a high burden setting: a cohort study
Cudahy PGT, Wilson D, Cohen T. Risk factors for recurrent tuberculosis after successful treatment in a high burden setting: a cohort study. BMC Infectious Diseases 2020, 20: 789. PMID: 33097000, PMCID: PMC7585300, DOI: 10.1186/s12879-020-05515-4.Peer-Reviewed Original ResearchConceptsM. tuberculosis infectionRecurrent tuberculosisSuccessful treatmentTuberculosis recurrenceHazard ratioSmear gradeTuberculosis infectionRisk factorsSmear-positive pulmonary tuberculosisCox proportional hazards modelSputum smear gradeRepetitive unit-variable number tandem repeat (MIRU-VNTR) typingHigh-burden settingsRisk of recurrenceProportional hazards modelSuccessful treatment completionRecurrent diseaseCohort studyPulmonary tuberculosisBurden settingsClinical presentationRecurrent episodesInitial episodeNumber tandem repeat typingTreatment completionTransmission Modeling with Regression Adjustment for Analyzing Household-based Studies of Infectious Disease: Application to Tuberculosis.
Crawford FW, Marx FM, Zelner J, Cohen T. Transmission Modeling with Regression Adjustment for Analyzing Household-based Studies of Infectious Disease: Application to Tuberculosis. Epidemiology 2020, 31: 238-247. PMID: 31764276, PMCID: PMC7718772, DOI: 10.1097/ede.0000000000001143.Peer-Reviewed Original ResearchConceptsSusceptible household contactsHousehold contactsTB casesBacillus Calmette-Guérin (BCG) vaccinationInfected household contactsIsoniazid preventive therapyActive tuberculosis casesCulture-positive casesRisk of diseaseCohort studyMicrobiological confirmationPreventive therapyTuberculosis casesRisk factorsInfection resultsAdult contactsInfection riskInfectious diseasesLogistic regressionRate of transmissionTransmissible diseasesDiseaseIndividual-level characteristicsHigher hazardDisease susceptibility
2018
Trends in C-Reactive Protein, D-Dimer, and Fibrinogen during Therapy for HIV-Associated Multidrug-Resistant Tuberculosis.
Cudahy PGT, Warren JL, Cohen T, Wilson D. Trends in C-Reactive Protein, D-Dimer, and Fibrinogen during Therapy for HIV-Associated Multidrug-Resistant Tuberculosis. American Journal Of Tropical Medicine And Hygiene 2018, 99: 1336-1341. PMID: 30226135, PMCID: PMC6221241, DOI: 10.4269/ajtmh.18-0322.Peer-Reviewed Original ResearchConceptsC-reactive proteinMulti-drug resistant tuberculosisD-dimerMedian C-reactive proteinSerum C-reactive proteinHigher baseline fibrinogenMDR-TB therapyHIV-positive adultsDrug-resistant tuberculosisHIV-positive participantsHigher CRP concentrationsEarly treatment modificationBaseline fibrinogenTreatment initiationResistant tuberculosisCRP concentrationsTreatment modificationTreatment outcomesTreatment responseHigh riskHigh mortalityNormal levelsOlder ageEarly responseFibrinogenProgression from latent infection to active disease in dynamic tuberculosis transmission models: a systematic review of the validity of modelling assumptions
Menzies NA, Wolf E, Connors D, Bellerose M, Sbarra AN, Cohen T, Hill AN, Yaesoubi R, Galer K, White PJ, Abubakar I, Salomon JA. Progression from latent infection to active disease in dynamic tuberculosis transmission models: a systematic review of the validity of modelling assumptions. The Lancet Infectious Diseases 2018, 18: e228-e238. PMID: 29653698, PMCID: PMC6070419, DOI: 10.1016/s1473-3099(18)30134-8.Peer-Reviewed Original ResearchConceptsTuberculosis transmission modelActive diseaseCumulative incidenceRisk factorsSystematic reviewNatural historyFeatures of epidemiologyDisease natural historyIndividual risk factorsTuberculosis natural historyEarliest available dateWeb of ScienceAnnual incidenceCochrane LibraryTuberculosis incidenceInclusion criteriaFuture tuberculosisLatent infectionInitial infectionIncidenceSubstantial proportionPopulation groupsAvailable dateInfectionDiseaseRisk ratios for contagious outcomes
Morozova O, Cohen T, Crawford FW. Risk ratios for contagious outcomes. Journal Of The Royal Society Interface 2018, 15: 20170696. PMID: 29343627, PMCID: PMC5805970, DOI: 10.1098/rsif.2017.0696.Peer-Reviewed Original Research
2017
Drivers of Tuberculosis Transmission
Mathema B, Andrews JR, Cohen T, Borgdorff MW, Behr M, Glynn JR, Rustomjee R, Silk BJ, Wood R. Drivers of Tuberculosis Transmission. The Journal Of Infectious Diseases 2017, 216: s644-s653. PMID: 29112745, PMCID: PMC5853844, DOI: 10.1093/infdis/jix354.Peer-Reviewed Original ResearchConceptsRecent transmissionTuberculosis transmissionTuberculosis casesCulture-positive tuberculosis casesInterferon-γ release assaysΓ release assaysTuberculin skin testMycobacterium tuberculosis infectionTuberculosis case notificationTransmission of tuberculosisPublic health systemPrevalent tuberculosisTuberculosis infectionSkin testIncident diseaseCase notificationClinical diseaseHealth systemCapacity of healthcareOngoing transmissionTuberculosisYoung childrenHighlight knowledge gapsInfection eventsWhole-genome sequencingProtective effects of household-based TB interventions are robust to neighbourhood-level variation in exposure risk in Lima, Peru: a model-based analysis
Zelner J, Murray M, Becerra M, Galea J, Lecca L, Calderon R, Yataco R, Zhang Z, Cohen T. Protective effects of household-based TB interventions are robust to neighbourhood-level variation in exposure risk in Lima, Peru: a model-based analysis. International Journal Of Epidemiology 2017, 47: 185-192. PMID: 29025111, DOI: 10.1093/ije/dyx171.Peer-Reviewed Original ResearchConceptsIsoniazid preventive therapyLatent TB infectionTB casesHousehold contactsHousehold exposureTB diseaseHealth centersPopulation-based prospective cohort studyHigh-risk household contactsMore casesBlanket screeningIncident pulmonary tuberculosisIncident TB diseasePositive household contactsProspective cohort studyTB screening programPublic Health CenterIncident tuberculosisTB infectionCohort studyPreventive therapyPulmonary tuberculosisTB incidenceSkin testTB risk
2016
Assessing Local Risk of Rifampicin-Resistant Tuberculosis in KwaZulu-Natal, South Africa Using Lot Quality Assurance Sampling
Heidebrecht CL, Podewils LJ, Pym A, Mthiyane T, Cohen T. Assessing Local Risk of Rifampicin-Resistant Tuberculosis in KwaZulu-Natal, South Africa Using Lot Quality Assurance Sampling. PLOS ONE 2016, 11: e0153143. PMID: 27050561, PMCID: PMC4822784, DOI: 10.1371/journal.pone.0153143.Peer-Reviewed Original ResearchConceptsIncident TB casesTB casesResistant TBDrug-resistant TB casesRifampicin-resistant tuberculosisMultidrug-resistant tuberculosisDrug susceptibility testingRIF-resistant TBLot Quality Assurance SamplingQuality assurance samplingResistant diseaseHigh burdenRIF resistanceKwaZulu-NatalSusceptibility testingHigh-risk areasTuberculosisRiskGreater proportionBurdenTBDiseaseGeographic heterogeneityCasesRifampicin
2015
HIV burden in men who have sex with men: a prospective cohort study 2007–2012
Jia Z, Huang X, Wu H, Zhang T, Li N, Ding P, Sun Y, Liu Z, Wei F, Zhang H, Jiao Y, Ji Y, Zhang Y, Guo C, Li W, Mou D, Xia W, Li Z, Chen D, Yan H, Chen X, Zhao J, Meyers K, Cohen T, Mayer K, Salomon JA, Lu Z, Dye C. HIV burden in men who have sex with men: a prospective cohort study 2007–2012. Scientific Reports 2015, 5: 11205. PMID: 26135810, PMCID: PMC5393284, DOI: 10.1038/srep11205.Peer-Reviewed Original ResearchConceptsHIV infectionHIV-negative MSMProspective cohort studyHIV incidence ratesIntensive preventive interventionIncident HIVCohort studyHIV burdenHIV incidenceIncident casesRisk factorsIncidence rateEarly treatmentPrevalent casesChinese MSMHIVPreventive interventionsInfectionMSMFollowPerfect complianceMenEnrollmentSyphilisCohort
2014
The Impact of Antiretroviral Therapy on Mortality in HIV Positive People during Tuberculosis Treatment: A Systematic Review and Meta-Analysis
Odone A, Amadasi S, White RG, Cohen T, Grant AD, Houben RM. The Impact of Antiretroviral Therapy on Mortality in HIV Positive People during Tuberculosis Treatment: A Systematic Review and Meta-Analysis. PLOS ONE 2014, 9: e112017. PMID: 25391135, PMCID: PMC4229142, DOI: 10.1371/journal.pone.0112017.Peer-Reviewed Original ResearchConceptsHIV-positive peopleAntiretroviral therapyTB treatmentTuberculosis treatmentSystematic reviewHIV-positive TB casesCoverage of ARTRisk of deathMain outcome measuresOutcomes of interestTB casesDual epidemicsTB therapyRelative riskOutcome measuresPooled estimatesStudy populationProportion of individualsFatality ratioPositive peopleMeta-AnalysisART statusClinical settingManual searchMortalityCigarette smoking among tuberculosis patients increases risk of transmission to child contacts
Huang CC, Tchetgen ET, Becerra MC, Cohen T, Galea J, Calderon R, Yataco R, Contreras C, Zhang ZB, Lecca L, Murray M. Cigarette smoking among tuberculosis patients increases risk of transmission to child contacts. The International Journal Of Tuberculosis And Lung Disease 2014, 18: 1285-1291. PMID: 25299859, DOI: 10.5588/ijtld.14.0309.Peer-Reviewed Original ResearchConceptsLatent tuberculous infectionTuberculin skin testTB patientsIndex caseChild household contactsDrug-susceptible TBIndex TB patientsObservational cohort studySecondhand smoke exposureRisk of transmissionPoisson regression modelsHousehold contactsCohort studyTST positivityTuberculosis patientsTuberculous infectionSmoke exposureSmoking statusTuberculosis casesCigarette smokingSkin testRisk factorsPatientsInfection statusTime pointsAge-Specific Risks of Tuberculosis Infection From Household and Community Exposures and Opportunities for Interventions in a High-Burden Setting
Zelner JL, Murray MB, Becerra MC, Galea J, Lecca L, Calderon R, Yataco R, Contreras C, Zhang Z, Grenfell BT, Cohen T. Age-Specific Risks of Tuberculosis Infection From Household and Community Exposures and Opportunities for Interventions in a High-Burden Setting. American Journal Of Epidemiology 2014, 180: 853-861. PMID: 25190676, PMCID: PMC4188339, DOI: 10.1093/aje/kwu192.Peer-Reviewed Original ResearchConceptsLatent tuberculosis infectionHousehold contactsAge-specific riskYears of ageTuberculosis infectionLarge population-based prospective cohort studyPopulation-based prospective cohort studyHousehold exposureBacillus Calmette-Guérin (BCG) vaccineIncident pulmonary tuberculosisCommunity exposureProspective cohort studyCalmette-Guérin vaccineHigh-burden settingsPublic Health CenterCommunity-based transmissionRisk of infectionCohort studyLTBI prevalencePreventive therapyPulmonary tuberculosisTuberculosis patientsTuberculosis casesHousehold transmissionExcess riskGeographical heterogeneity of multidrug-resistant tuberculosis in Georgia, January 2009 to June 2011.
Jenkins HE, Gegia M, Furin J, Kalandadze I, Nanava U, Chakhaia T, Cohen T. Geographical heterogeneity of multidrug-resistant tuberculosis in Georgia, January 2009 to June 2011. Eurosurveillance 2014, 19 PMID: 24679722, PMCID: PMC4090679, DOI: 10.2807/1560-7917.es2014.19.11.20743.Peer-Reviewed Original ResearchConceptsMultidrug-resistant TBMDR-TB risk factorsTB casesRisk factorsMDR-TB incidenceMDR-TB riskMDR-TB transmissionMDR-TB casesMultidrug-resistant tuberculosisTreatment-naïve individualsMDR-TB burdenTuberculosis casesHigh riskTargeted interventionsSurveillance dataGeographical heterogeneityRegression modellingInterventionRiskRural areasCasesTuberculosisIncidencePercentage