2023
Intensified pulmonary tuberculosis case finding among HIV-infected new entrants of a prison in Malaysia: implications for a holistic approach to control tuberculosis in prisons
Al-Darraji H, Hill P, Sharples K, Altice F, Kamarulzaman A. Intensified pulmonary tuberculosis case finding among HIV-infected new entrants of a prison in Malaysia: implications for a holistic approach to control tuberculosis in prisons. International Journal Of Prison Health 2023, 19: 501-511. PMID: 36622107, DOI: 10.1108/ijph-01-2022-0001.Peer-Reviewed Original ResearchTB diseaseComprehensive TB control programMedian CD4 lymphocyte countGeneXpert MTB/RIFPrison entryCD4 lymphocyte countClinical scoring systemTB control programsPulmonary tuberculosis casesMTB/RIFMandatory HIV testingActive TBLymphocyte countTB casesConsented participantsHIV infectionHIV testingClinical presentationTuberculosis casesMean ageTuberculosis diseaseHigh prevalenceSputum samplesScoring systemHIV
2022
Evaluation of chest X-ray with automated interpretation algorithms for mass tuberculosis screening in prisons: A cross-sectional study
Soares T, de Oliveira R, Liu Y, da Silva Santos A, dos Santos P, Monte L, de Oliveira L, Park C, Hwang E, Andrews J, Croda J. Evaluation of chest X-ray with automated interpretation algorithms for mass tuberculosis screening in prisons: A cross-sectional study. The Lancet Regional Health - Americas 2022, 17: 100388. PMID: 36776567, PMCID: PMC9904090, DOI: 10.1016/j.lana.2022.100388.Peer-Reviewed Original ResearchChest X-rayWorld Health OrganizationTB screeningPrevious TBInterpretation algorithmsAbnormality scoreXpert MTB/RIFSputum bacillary loadSystematic Tuberculosis ScreeningMultivariable logistic regressionMTB/RIFCross-sectional studyEffective triage toolX-ray imagesTB symptomsClinical characteristicsBacillary loadPrior TBTuberculosis screeningTriage testUS National InstitutesAlgorithm accuracyTriage toolStandardized questionnaireConfirmatory testingBudget impact of next-generation sequencing for diagnosis of TB drug resistance in Moldova
Cates L, Codreanu A, Ciobanu N, Fosburgh H, Allender C, Centner H, Engelthaler D, Crudu V, Cohen T, Menzies N. Budget impact of next-generation sequencing for diagnosis of TB drug resistance in Moldova. The International Journal Of Tuberculosis And Lung Disease 2022, 26: 963-969. PMID: 36163669, DOI: 10.5588/ijtld.22.0104.Peer-Reviewed Original ResearchConceptsPhenotypic drug susceptibility testingConventional phenotypic drug susceptibility testingTB drug resistanceDrug resistanceNext-generation sequencingTB treatment regimensNational TB ProgrammeDrug resistance testingMTB/RIFDrug susceptibility testingBudget impact analysisMajority of costsFeasibility of NGSTB programsTreatment regimensBudget impactSusceptibility testingRoutine useResistance testingStudy periodTesting volumePerformance of Xpert MTB/RIF and Mycobacterial Culture on Multiple Specimen Types for Diagnosis of Tuberculosis Disease in Young Children and Clinical Characterization According to Standardized Research Case Definitions
Click ES, Song R, Smith JP, Mchembere W, Fajans M, Hariri P, Okeyo E, McCarthy KD, Gethi D, Odeny L, Musau S, Okumu A, Orwa J, Perez-Velez CM, Wright CA, Andres M, Marais BJ, Schaaf HS, Graham SM, Cruz AT, Cain KP. Performance of Xpert MTB/RIF and Mycobacterial Culture on Multiple Specimen Types for Diagnosis of Tuberculosis Disease in Young Children and Clinical Characterization According to Standardized Research Case Definitions. The Pediatric Infectious Disease Journal 2022, 41: 671-677. PMID: 35703284, PMCID: PMC9288526, DOI: 10.1097/inf.0000000000003582.Peer-Reviewed Original ResearchConceptsXpert MTB/RIFResearch case definitionClinical case definitionMTB/RIFCase definitionIntrathoracic tuberculosisClinical characterizationMycobacterial cultureYoung childrenProspective cohort studyDifferent specimen typesDetailed clinical characterizationMultiple specimen typesSpecimen typesClinical diagnostic approachTB diseaseCohort studyMycobacterium tuberculosis complexParenchymal abnormalitiesConsecutive seriesOutpatient settingTuberculosis diseaseLeading causeXpert testChest radiographsPredicting resistance to fluoroquinolones among patients with rifampicin-resistant tuberculosis using machine learning methods
You S, Chitwood MH, Gunasekera KS, Crudu V, Codreanu A, Ciobanu N, Furin J, Cohen T, Warren JL, Yaesoubi R. Predicting resistance to fluoroquinolones among patients with rifampicin-resistant tuberculosis using machine learning methods. PLOS Digital Health 2022, 1: e0000059. PMID: 36177394, PMCID: PMC9518704, DOI: 10.1371/journal.pdig.0000059.Peer-Reviewed Original ResearchDrug susceptibility testXpert MTB/RIFMachine learning-based modelsLearning-based modelsMachine learning methodsRifampicin-resistant tuberculosisTime of diagnosisRifampin-resistant tuberculosisMTB/RIFNeural network modelLearning methodsNetwork modelMulti-drug resistant tuberculosisNational TB surveillanceDrug-resistant tuberculosisOptimism-corrected areaSelection of antibioticsAnti-TB agentsDistrict-level prevalenceLow-resource settingsPatient characteristicsResistant tuberculosisTB surveillanceAppropriate treatmentDST resultsNeighbourhood prevalence-to-notification ratios for adult bacteriologically-confirmed tuberculosis reveals hotspots of underdiagnosis in Blantyre, Malawi
Khundi M, Carpenter JR, Corbett EL, Feasey HRA, Soko RN, Nliwasa M, Twabi H, Chiume L, Burke RM, Horton KC, Dodd PJ, Cohen T, MacPherson P. Neighbourhood prevalence-to-notification ratios for adult bacteriologically-confirmed tuberculosis reveals hotspots of underdiagnosis in Blantyre, Malawi. PLOS ONE 2022, 17: e0268749. PMID: 35605004, PMCID: PMC9126376, DOI: 10.1371/journal.pone.0268749.Peer-Reviewed Original ResearchConceptsCase notification ratesPrevalence surveyNotification ratioNeighbourhood prevalenceTB case notification ratesXpert MTB/RIFCase-finding interventionsTrue disease burdenChest X-ray screeningTB prevalence surveyTB surveillance systemMTB/RIFDiagnosis of tuberculosisSputum smear microscopyTB clinicTB patientsRespiratory infectionsTB prevalenceDisease burdenNotification ratesSmear microscopyX-ray screeningTuberculosisPrevalenceUrban tuberculosis
2021
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 samplesBlood-based host biomarker diagnostics in active case finding for pulmonary tuberculosis: A diagnostic case-control study
Moreira F, Verma R, dos Santos P, Leite A, da Silva Santos A, de Araujo R, da Silva B, de Sá Queiroz J, Persing D, Södersten E, Gnanashanmugam D, Khatri P, Croda J, Andrews J. Blood-based host biomarker diagnostics in active case finding for pulmonary tuberculosis: A diagnostic case-control study. EClinicalMedicine 2021, 33: 100776. PMID: 33842866, PMCID: PMC8020164, DOI: 10.1016/j.eclinm.2021.100776.Peer-Reviewed Original ResearchCare C-reactive proteinXpert MTB/RIFMTB/RIFDiagnostic case-control studyXpert MTBCase-control studyTuberculosis casesTriage testSputum Xpert MTB/RIFHigh tuberculosis burden settingsActive casesSputum bacillary burdenC-reactive proteinHigh-burden populationsCulture-confirmed casesMass screening programCulture-negative controlsBacillary burdenTuberculosis symptomsPulmonary tuberculosisSputum cultureScreening programDevelopment of a Treatment-decision Algorithm for Human Immunodeficiency Virus–uninfected Children Evaluated for Pulmonary Tuberculosis
Gunasekera KS, Walters E, van der Zalm MM, Palmer M, Warren JL, Hesseling AC, Cohen T, Seddon JA. Development of a Treatment-decision Algorithm for Human Immunodeficiency Virus–uninfected Children Evaluated for Pulmonary Tuberculosis. Clinical Infectious Diseases 2021, 73: e904-e912. PMID: 33449999, PMCID: PMC8366829, DOI: 10.1093/cid/ciab018.Peer-Reviewed Original ResearchConceptsPulmonary tuberculosisClinical evidenceXpert MTB/RIFBaseline clinical evaluationChest radiographic resultsRapid treatment initiationNational Tuberculosis ProgrammeTreatment decision algorithmsEvidence-based algorithmMTB/RIFDiagnosis of tuberculosisChest radiographicAntituberculosis treatmentProspective cohortRadiographic resultsTreatment initiationTuberculosis casesTuberculosis ProgrammeClinical evaluationCase definitionTreatment decisionsGlobal burdenChildhood mortalityChildren EvaluatedRapid clinical diagnosis
2020
Yield, Efficiency, and Costs of Mass Screening Algorithms for Tuberculosis in Brazilian Prisons
da Silva Santos A, de Oliveira R, Lemos EF, Lima F, Cohen T, Cords O, Martinez L, Gonçalves C, Ko A, Andrews JR, Croda J. Yield, Efficiency, and Costs of Mass Screening Algorithms for Tuberculosis in Brazilian Prisons. Clinical Infectious Diseases 2020, 72: 771-777. PMID: 32064514, PMCID: PMC7935388, DOI: 10.1093/cid/ciaa135.Peer-Reviewed Original ResearchConceptsXpert MTB/RIFMTB/RIFChest radiographySputum Xpert MTB/RIFHigh TB burden countriesFourth-generation assaysScreening algorithmTB burden countriesSputum testingTB casesTB screeningBurden countriesProspective studySputum testSymptom assessmentChest radiographsScreening testPositivity thresholdMass screeningTuberculosisMore casesDiagnostic algorithmDiagnostic testsMajor causeScreening strategyPooled analysis of the Xpert MTB/RIF assay for diagnosing tuberculous meningitis
Chen YZ, Sun LC, Wen YH, Li ZW, Fan SJ, Tan HK, Qiu M, Pan ZY, Li Q, Zhao YZ, Li ZX, Guo XG. Pooled analysis of the Xpert MTB/RIF assay for diagnosing tuberculous meningitis. Bioscience Reports 2020, 40: bsr20191312. PMID: 31778149, PMCID: PMC6946622, DOI: 10.1042/bsr20191312.Peer-Reviewed Original ResearchConceptsXpert MTB/RIFMTB/RIFTuberculous meningitisPositive likelihood ratioNegative likelihood ratioDiagnostic odds ratioOdds ratioEarly diagnosisCerebrospinal fluidCSF samplesPooled sensitivityLikelihood ratioReceiver operator characteristic curveOverall pooled sensitivityOperator characteristic curveExtrapulmonary tuberculosisDiagnostic delayPooled analysisSummary receiver operator characteristic curveDiagnostic efficacyClinical diagnosisMeningitisPooled specificityRelevant studiesDiagnosis
2019
Genetic Diversity and Molecular Epidemiology of Mycobacterium tuberculosis in Roraima State, Brazil.
Tatara M, Perdigão J, Viveiros M, Kritski A, Silva K, Sacchi F, de Lima C, Dos Santos P, Diniz J, Almeida Silva P, Gomes P, Gomes M, Cunha E, Lapa E Silva J, Portugal I, Croda J, Andrade M. Genetic Diversity and Molecular Epidemiology of Mycobacterium tuberculosis in Roraima State, Brazil. American Journal Of Tropical Medicine And Hygiene 2019, 101: 774-779. PMID: 31392954, PMCID: PMC6779181, DOI: 10.4269/ajtmh.19-0324.Peer-Reviewed Original ResearchConceptsPopulation-based prospective studyDrug resistanceMolecular epidemiologyResistance profilesRepetitive units-variable numberMTB/RIFDrug susceptibility testDrug resistance profilesTransmission of MtbPublic health policyPhenotypic resistance profilesIsoniazid monoTB preventionProspective studyNew strain typesTB epidemiologyPrimary resistanceHigh prevalenceMTB isolatesProportion methodHealth policyMycobacterium tuberculosisSusceptibility testsTuberculosisVulnerable populationsRapid, point-of-care diagnosis of tuberculosis with novel Truenat assay: Cost-effectiveness analysis for India’s public sector
Lee DJ, Kumarasamy N, Resch SC, Sivaramakrishnan GN, Mayer KH, Tripathy S, Paltiel AD, Freedberg KA, Reddy KP. Rapid, point-of-care diagnosis of tuberculosis with novel Truenat assay: Cost-effectiveness analysis for India’s public sector. PLOS ONE 2019, 14: e0218890. PMID: 31265470, PMCID: PMC6605662, DOI: 10.1371/journal.pone.0218890.Peer-Reviewed Original ResearchConceptsIncremental cost-effectiveness ratioLife expectancySmear microscopyXpert MTB/RIFHIV-negative adultsPeripheral healthcare settingsMTB/RIFPrimary healthcare facilitiesSputum smear microscopyCost-effectiveness ratioCost-effectiveness analysisPresumptive tuberculosisTB diagnosisTB prevalenceTruenatMicroscopy centresXpertBudget impactRifampicin resistanceDiagnostic strategiesTuberculosisTB detectionHealthcare settingsDiagnostic sensitivityNovel molecular assay
2018
2000. Rapid, Point-of-care Diagnosis of Tuberculosis with Novel Truenat Assay: Cost-Effectiveness and Budgetary Impact Analysis for India’s Public Sector
Lee D, Kumarasamy N, Resch S, Sivaramakrishnan G, Mayer K, Tripathy S, Paltiel A, Freedberg K, Reddy K. 2000. Rapid, Point-of-care Diagnosis of Tuberculosis with Novel Truenat Assay: Cost-Effectiveness and Budgetary Impact Analysis for India’s Public Sector. Open Forum Infectious Diseases 2018, 5: s582-s582. PMCID: PMC6254532, DOI: 10.1093/ofid/ofy210.1656.Peer-Reviewed Original ResearchIncremental cost-effectiveness ratioPublic healthcare facilitiesLife expectancyXpert MTB/RIFHIV-negative patientsPeripheral healthcare settingsHealthcare facilitiesBudgetary impact analysisMTB/RIFDiagnostic test costsSputum smear microscopyCost-effectiveness ratioMulti-way sensitivity analysesTB outcomesTB diagnosisPoint of careTruenatSmear microscopyXpertBudget impactTuberculosis diagnosticsDiagnostic strategiesHealthcare expendituresHealthcare settingsRifampin resistanceAssociation of Rapid Molecular Testing With Duration of Respiratory Isolation for Patients With Possible Tuberculosis in a US Hospital
Chaisson LH, Duong D, Cattamanchi A, Roemer M, Handley MA, Schillinger D, Sur M, Pham P, Lin MA, Goldman LE, Quan J, Perez S, Healy M, Higashi J, Winston L, Haller B, Luetkemeyer AF, Davis JL. Association of Rapid Molecular Testing With Duration of Respiratory Isolation for Patients With Possible Tuberculosis in a US Hospital. JAMA Internal Medicine 2018, 178: 1380-1388. PMID: 30178007, PMCID: PMC6368387, DOI: 10.1001/jamainternmed.2018.3638.Peer-Reviewed Original ResearchConceptsDiscontinuation of isolationMolecular testing algorithmRespiratory isolationMolecular testingPossible tuberculosisActive tuberculosisPreimplementation periodUS hospitalsZuckerberg San Francisco General HospitalSan Francisco General HospitalGeneXpert MTB/RIFCulture-confirmed tuberculosisPatient-centered evaluationActive pulmonary tuberculosisProportion of patientsProspective cohort studyLength of stayMTB/RIFRapid test resultsRapid molecular testingSputum smear microscopyMolecular testing strategiesHealth care settingsCulture-negative resultsTB-negative patientsThe utility of repeat Xpert MTB/RIF testing to diagnose tuberculosis in HIV-positive adults with initial negative result
Hanifa Y, Fielding K, Chihota V, Adonis L, Charalambous S, Foster N, Karstaedt A, McCarthy K, Nicol M, Ndlovu N, Sinanovic E, Sahid F, Stevens W, Vassall A, Churchyard G, Grant A. The utility of repeat Xpert MTB/RIF testing to diagnose tuberculosis in HIV-positive adults with initial negative result. Gates Open Research 2018, 2: 22. DOI: 10.12688/gatesopenres.12815.1.Peer-Reviewed Original ResearchNegative Xpert resultHIV-positive adultsXpert resultsTB treatmentHigh riskXpert MTB/RIF testingMTB/RIF testingXpert MTB/RIFAppropriate diagnostic modalitiesMonths of enrollmentHIV-positive individualsMTB/RIFInitial negative resultMycobacterium tuberculosis cultureTB diagnostic testsFurther investigationHIV careActive tuberculosisMicrobiological confirmationSputum samplesDiagnostic modalitiesNational guidelinesSputumTuberculosis cultureInvestigation pathway
2016
Undiagnosed pulmonary tuberculosis among prisoners in Malaysia: an overlooked risk for tuberculosis in the community
Al-Darraji HA, Altice FL, Kamarulzaman A. Undiagnosed pulmonary tuberculosis among prisoners in Malaysia: an overlooked risk for tuberculosis in the community. Tropical Medicine And International Health 2016, 21: 1049-1058. PMID: 27197601, DOI: 10.1111/tmi.12726.Peer-Reviewed Original ResearchGeneXpert MTB/RIFCase-finding strategyActive TBMTB/RIFTB treatmentMalaysia's largest prisonUndiagnosed pulmonary tuberculosisActive tuberculosis casesOlder age groupsLargest prisonPulmonary tuberculosisHIV infectionTuberculosis casesHigh prevalenceSputum samplesSmear microscopyClinical informationAverage ageCulture resultsAge groupsScreening studyComplete dataHIVRegression analysisTuberculosisAssessing the utility of Xpert® MTB/RIF as a screening tool for patients admitted to medical wards in South Africa
Heidebrecht CL, Podewils LJ, Pym AS, Cohen T, Mthiyane T, Wilson D. Assessing the utility of Xpert® MTB/RIF as a screening tool for patients admitted to medical wards in South Africa. Scientific Reports 2016, 6: 19391. PMID: 26786396, PMCID: PMC4726405, DOI: 10.1038/srep19391.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overCoinfectionDrug Resistance, BacterialFemaleHIV InfectionsHumansMaleMass ScreeningMicrobial Sensitivity TestsMiddle AgedMycobacterium tuberculosisNucleic Acid Amplification TechniquesReproducibility of ResultsRifampinSouth AfricaTuberculosis, Multidrug-ResistantYoung AdultConceptsChest X-rayMTB/RIFMedical wardsScreening toolAdditional TB casesInfection control actionsUtility of GeneXpertTB/HIVConsecutive adult patientsProportion of patientsRifampicin-resistant tuberculosisDrug-resistant tuberculosisLarge public hospitalTB diseaseAdult patientsStandard careTB casesTB screeningMedical admissionsMedical chartsHospital inpatientsSputum specimensGeneXpertPatientsRifampicin resistance
2014
Modeling of Novel Diagnostic Strategies for Active Tuberculosis – A Systematic Review: Current Practices and Recommendations
Zwerling A, White RG, Vassall A, Cohen T, Dowdy DW, Houben RM. Modeling of Novel Diagnostic Strategies for Active Tuberculosis – A Systematic Review: Current Practices and Recommendations. PLOS ONE 2014, 9: e110558. PMID: 25340701, PMCID: PMC4207742, DOI: 10.1371/journal.pone.0110558.Peer-Reviewed Original ResearchConceptsNucleic acid amplification testsIncremental cost-effectiveness ratioActive tuberculosisHealth system modelDiagnostic strategiesNovel diagnostic strategiesAlternative nucleic acid amplification testsXpert MTB/RIFMTB/RIFCost-effectiveness ratioMulti-way sensitivity analysesFalse-negative diagnosesPre-diagnostic periodCost-effectiveness modelCost-effectiveness estimatesDiagnostic delayDiagnostic pathwayAdditional epidemiological dataTB diagnosticsEpidemiological dataReference listsAmplification testsEpidemiological impactEligible papersEpidemiological settingsAssessment of the patient, health system, and population effects of Xpert MTB/RIF and alternative diagnostics for tuberculosis in Tanzania: an integrated modelling approach
Langley I, Lin HH, Egwaga S, Doulla B, Ku CC, Murray M, Cohen T, Squire SB. Assessment of the patient, health system, and population effects of Xpert MTB/RIF and alternative diagnostics for tuberculosis in Tanzania: an integrated modelling approach. The Lancet Global Health 2014, 2: e581-e591. PMID: 25304634, DOI: 10.1016/s2214-109x(14)70291-8.Peer-Reviewed Original ResearchConceptsIncremental cost-effectiveness ratioHigh incremental costIncremental costLED fluorescence microscopyCost-effectiveness ratioPay thresholdsFull rolloutContext of TanzaniaCost-effective optionHealth policy formulationPolicy formulationDifferent diagnostic optionsIntegrated modelling approachModelling approachAdditional costHealth systemCostAlternative diagnosticsIntegrated modelXpert MTB/RIFPopulation effectsMTB/RIFPresumptive tuberculosis casesWillingnessUse of Xpert
This site is protected by hCaptcha and its Privacy Policy and Terms of Service apply