2014
Intensified specimen collection to improve tuberculosis diagnosis in children from Rural South Africa, an observational study
Thomas TA, Heysell SK, Moodley P, Montreuil R, Ha X, Friedland G, Bamber SA, Moll AP, Gandhi N, Brant WE, Sturm W, Shah S. Intensified specimen collection to improve tuberculosis diagnosis in children from Rural South Africa, an observational study. BMC Infectious Diseases 2014, 14: 11. PMID: 24400822, PMCID: PMC3890632, DOI: 10.1186/1471-2334-14-11.Peer-Reviewed Original ResearchConceptsDrug susceptibility testingGastric aspiratesTB suspectsObservational studySpecimen collectionDrug-susceptible TBNew TB suspectsPediatric TB suspectsTB treatment historyXDR-TB casesMultiple specimen typesYears of ageSame-day methodTB settingsInduced sputumPersistent symptomsSputum inductionTB treatmentHIV statusNegative childrenTB diagnosisUrine cultureMean ageInpatient settingDiagnostic yield
2011
Household contact investigation of multidrug-resistant and extensively drug-resistant tuberculosis in a high HIV prevalence setting
Vella V, Racalbuto V, Guerra R, Marra C, Moll A, Mhlanga Z, Maluleke M, Mhlope H, Margot B, Friedland G, Shah N, Gandhi N. Household contact investigation of multidrug-resistant and extensively drug-resistant tuberculosis in a high HIV prevalence setting. The International Journal Of Tuberculosis And Lung Disease 2011, 15: 1170-1175. PMID: 21943840, DOI: 10.5588/ijtld.10.0781.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAntitubercular AgentsExtensively Drug-Resistant TuberculosisFamily CharacteristicsFemaleFollow-Up StudiesHIV InfectionsHumansIncidenceMaleMicrobial Sensitivity TestsMiddle AgedPrevalenceProspective StudiesSouth AfricaTime FactorsTuberculosis, Multidrug-ResistantYoung AdultConceptsDrug-resistant tuberculosisHousehold contactsXDR-TBIndex caseMDR-TBPrevalence settingsHigh human immunodeficiency virus (HIV) prevalence settingsMDR-TB index casesHigh HIV prevalence settingsAdult household contactsHousehold contact investigationIndex case diagnosisMost secondary casesHIV prevalence settingsRate of MDRDrug susceptibility testingDiagnosis of MDRPublic health activitiesActive tuberculosisNosocomial transmissionContact investigationMedian timeIncidence rateSecondary casesObservational studyIncreasing Drug Resistance in Extensively Drug-Resistant Tuberculosis, South Africa - Volume 17, Number 3—March 2011 - Emerging Infectious Diseases journal - CDC
Shah NS, Richardson J, Moodley P, Moodley S, Babaria P, Ramtahal M, Heysell SK, Li X, Moll AP, Friedland G, Sturm AW, Gandhi NR. Increasing Drug Resistance in Extensively Drug-Resistant Tuberculosis, South Africa - Volume 17, Number 3—March 2011 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2011, 17: 510-513. PMID: 21392446, PMCID: PMC3166021, DOI: 10.3201/eid1703.101363.Peer-Reviewed Original ResearchConceptsExtensively Drug-Resistant TuberculosisTuberculosis drug susceptibility testingDrug-resistant Mycobacterium tuberculosisInfectious Diseases journal - CDCDrug-resistant TBDrug-resistant tuberculosisDrug susceptibility testingEffective treatmentAvailable drugsDrug resistanceSusceptibility testingMycobacterium tuberculosisTuberculosisDrugsPatientsRapid Diagnosis of Tuberculosis and Multidrug Resistance by the Microscopic-Observation Drug-Susceptibility Assay
Shah NS, Moodley P, Babaria P, Moodley S, Ramtahal M, Richardson J, Heysell S, Li X, Moll A, Friedland G, Sturm AW, Gandhi NR. Rapid Diagnosis of Tuberculosis and Multidrug Resistance by the Microscopic-Observation Drug-Susceptibility Assay. American Journal Of Respiratory And Critical Care Medicine 2011, 183: 1427-1433. PMID: 21297071, DOI: 10.1164/rccm.201009-1449oc.Peer-Reviewed Original ResearchConceptsDrug susceptibility testingMDR-TB diagnosisMDR-TBHIV statusMultidrug-resistant (MDR) TBProportion methodRapid diagnosisProspective diagnostic accuracy studyAdult TB suspectsMicroscopic-Observation DrugReference standard cultureMedian CD4 countPatient's HIV statusHIV prevalence settingsIndirect proportion methodMycobacterial growth indicator tube (MGIT) cultureMedian turnaround timeResource-limited settingsReference standardDiagnostic accuracy studiesCD4 countMycobacterium tuberculosis detectionConsecutive adultsTB suspectsHIV prevalence
2009
Averting epidemics of extensively drug-resistant tuberculosis
Basu S, Friedland GH, Medlock J, Andrews JR, Shah NS, Gandhi NR, Moll A, Moodley P, Sturm AW, Galvani AP. Averting epidemics of extensively drug-resistant tuberculosis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 7672-7677. PMID: 19365076, PMCID: PMC2678614, DOI: 10.1073/pnas.0812472106.Peer-Reviewed Original ResearchConceptsDrug-resistant tuberculosisXDR-TBXDR-TB epidemicDrug susceptibility testingCommunity-based EpidemicsCommunity-based programsEffective reproductive numberTertiary hospitalTB epidemicDisease presentationPublic health conditionsCase findingTransmission clustersDiagnostic approachHealth conditionsSouth African communityOngoing transmissionTransmission dynamicsTherapyTuberculosisEpidemicReproductive numberTBKwaZulu-Natal ProvinceHospital
2006
Extensively drug-resistant tuberculosis as a cause of death in patients co-infected with tuberculosis and HIV in a rural area of South Africa
Gandhi NR, Moll A, Sturm AW, Pawinski R, Govender T, Lalloo U, Zeller K, Andrews J, Friedland G. Extensively drug-resistant tuberculosis as a cause of death in patients co-infected with tuberculosis and HIV in a rural area of South Africa. The Lancet 2006, 368: 1575-1580. PMID: 17084757, DOI: 10.1016/s0140-6736(06)69573-1.Peer-Reviewed Original ResearchConceptsDrug-resistant tuberculosisCo-infected patientsXDR tuberculosisMDR tuberculosisHIV co-infected patientsCulture-confirmed tuberculosisRecent hospital admissionTime of diagnosisSecond-line drugsDrug susceptibility testingCause of deathDate of deathHigh mortality rateAntiretroviral therapyMedian survivalHospital admissionSputum cultureHIV-1PatientsMortality rateHigh mortalityUrgent interventionTreatment programTuberculosisSusceptibility testing