2012
Nosocomial Transmission of Extensively Drug-Resistant Tuberculosis in a Rural Hospital in South Africa
Gandhi NR, Weissman D, Moodley P, Ramathal M, Elson I, Kreiswirth BN, Mathema B, Shashkina E, Rothenberg R, Moll AP, Friedland G, Sturm AW, Shah NS. Nosocomial Transmission of Extensively Drug-Resistant Tuberculosis in a Rural Hospital in South Africa. The Journal Of Infectious Diseases 2012, 207: 9-17. PMID: 23166374, PMCID: PMC3523793, DOI: 10.1093/infdis/jis631.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntitubercular AgentsCluster AnalysisCross InfectionDrug Therapy, CombinationEthambutolExtensively Drug-Resistant TuberculosisFemaleGenotypeHIV InfectionsHospitals, RuralHumansIsoniazidMaleMutationMycobacterium tuberculosisPolymorphism, Restriction Fragment LengthPrevalencePyrazinamideRetrospective StudiesRifampinSequence Analysis, DNASouth AfricaConceptsDrug-resistant tuberculosisHuman immunodeficiency virusNosocomial transmissionEpidemiologic linkExtensively Drug-Resistant TuberculosisPoor infection controlSmear-positive tuberculosisMultidrug-resistant tuberculosisHigh HIV prevalencePoint-source outbreakGlobal public health threatPublic health threatResistance-determining regionXDR tuberculosisImmunodeficiency virusHIV prevalenceObservational studyInfection controlRural hospitalsPatientsTuberculosisTugela FerryFragment length polymorphism analysisHealth threatRestriction fragment length polymorphism analysisRisk factors for mortality among MDR- and XDR-TB patients in a high HIV prevalence setting
Gandhi N, Andrews J, Brust J, Montreuil R, Weissman D, Heo M, Moll A, Friedland G, Shah N. Risk factors for mortality among MDR- and XDR-TB patients in a high HIV prevalence setting. The International Journal Of Tuberculosis And Lung Disease 2012, 16: 90-97. PMID: 22236852, PMCID: PMC3302205, DOI: 10.5588/ijtld.11.0153.Peer-Reviewed Original ResearchMeSH KeywordsAdultAIDS-Related Opportunistic InfectionsAnti-Retroviral AgentsAntitubercular AgentsCD4 Lymphocyte CountCoinfectionDrug Resistance, Multiple, BacterialExtensively Drug-Resistant TuberculosisFemaleHIV InfectionsHumansMaleMarkov ChainsMonte Carlo MethodPrevalencePrognosisProportional Hazards ModelsRetrospective StudiesRisk AssessmentRisk FactorsSouth AfricaSurvival AnalysisTime FactorsTuberculosis, Multidrug-ResistantTuberculosis, PulmonaryConceptsHuman immunodeficiency virusXDR-TB patientsRisk factorsAntiretroviral therapyXDR-TBDrug-resistant (XDR) TBImmunosuppressed human immunodeficiency virusStrong independent risk factorHigh HIV prevalence settingsMDR-TB patientsTB treatment programsIndependent risk factorYear of diagnosisDrug-resistant tuberculosisHIV prevalence settingsCells/Principal risk factorsCase-control studyAmplification of resistanceHigh mortality rateART initiationHIV testingImmunodeficiency virusPrevalence settingsMortality rate
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 studyPrevalence of methicillin-resistant Staphylococcus aureus nasal carriage among hospitalised patients with tuberculosis in rural KwaZulu-Natal
Heysell SK, Shenoi SV, Catterick K, Thomas TA, Friedland G. Prevalence of methicillin-resistant Staphylococcus aureus nasal carriage among hospitalised patients with tuberculosis in rural KwaZulu-Natal. South African Medical Journal 2011, 101: 332-334. PMID: 21837877, PMCID: PMC3628595, DOI: 10.7196/samj.4462.Peer-Reviewed Original ResearchConceptsMethicillin-resistant Staphylococcus aureusTB wardsNasal carriageMRSA isolatesNasal swabsImpact of MRSAMethicillin-resistant Staphylococcus aureus nasal carriageStaphylococcus aureus nasal carriageLow CD4 countRural African hospitalAureus nasal carriageHours of admissionMRSA nasal carriageGovernment district hospitalsStandard disk diffusionImportant nosocomial pathogenRural KwaZulu-NatalAdmission swabCD4 countHospitalised patientsMRSA carriageNosocomial acquisitionTB patientsPrevious hospitalisationMedical charts
2010
Predictors of Multidrug- and Extensively Drug-Resistant Tuberculosis in a High HIV Prevalence Community
Andrews JR, Shah NS, Weissman D, Moll AP, Friedland G, Gandhi NR. Predictors of Multidrug- and Extensively Drug-Resistant Tuberculosis in a High HIV Prevalence Community. PLOS ONE 2010, 5: e15735. PMID: 21209951, PMCID: PMC3012092, DOI: 10.1371/journal.pone.0015735.Peer-Reviewed Original ResearchConceptsDrug-resistant tuberculosisTB treatment failureXDR-TBHIV prevalence settingsRisk factorsTreatment failureOdds ratioMDR/XDR-TBOnly significant risk factorRetrospective case-control studyDrug resistanceMDR-TB patientsSignificant risk factorsStrong risk factorMultivariate logistic regressionTB drug resistanceCase-control studyHigh HIV prevalence communitiesDemographic risk factorsDrug susceptibility testing methodsHIV prevalence communitiesTB settingsClinical deteriorationMDR-TBTB treatment
2007
Managing multiple and extensively drug-resistant tuberculosis and HIV
Padayatchi N, Friedland G. Managing multiple and extensively drug-resistant tuberculosis and HIV. Expert Opinion On Pharmacotherapy 2007, 8: 1035-1037. PMID: 17516869, DOI: 10.1517/14656566.8.8.1035.Peer-Reviewed Original Research
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
2004
Antiretroviral resistance and high-risk transmission behavior among HIV-positive patients in clinical care
Kozal MJ, Amico KR, Chiarella J, Schreibman T, Cornman D, Fisher W, Fisher J, Friedland G. Antiretroviral resistance and high-risk transmission behavior among HIV-positive patients in clinical care. AIDS 2004, 18: 2185-2189. PMID: 15577652, DOI: 10.1097/00002030-200411050-00011.Peer-Reviewed Original ResearchConceptsHIV-positive patientsTransmission risk behaviorsHIV transmission risk behaviorsViral loadUnprotected sexual eventsRisk behaviorsAntiretroviral therapyCopies/Clinical careHIV sexual transmission risk behaviorsUnprotected sexHigh-risk transmission behaviorsSexual transmission risk behaviorLower mental health scoresHIV transmission eventsUndetectable viral loadProportion of patientsHIV drug resistanceDrug-resistant HIVMental health scoresCross-sectional studyHIV transmission behaviorsDrug resistance dataAntiretroviral resistanceResistant HIV
1993
Incubation Period of Human Immunodeficiency Virus
Alcabes P, Muñoz A, Vlahov D, Friedland G. Incubation Period of Human Immunodeficiency Virus. Epidemiologic Reviews 1993, 15: 303-318. PMID: 8174659, DOI: 10.1093/oxfordjournals.epirev.a036122.Peer-Reviewed Original Research
1991
Human T Lymphotropic Virus Type II (HTLV-II) Infection in a Cohort of New York Intravenous Drug Users: An Old Infection?
Khabbaz R, Hartel D, Lairmore M, Horsburgh C, Schoenbaum E, Roberts B, Hartley T, Friedland G. Human T Lymphotropic Virus Type II (HTLV-II) Infection in a Cohort of New York Intravenous Drug Users: An Old Infection? The Journal Of Infectious Diseases 1991, 163: 252-256. PMID: 1988509, DOI: 10.1093/infdis/163.2.252.Peer-Reviewed Original ResearchConceptsIntravenous drug usersHuman T-lymphotropic virus type II (HTLV-II) infectionHTLV-II infectionType II infectionPolymerase chain reactionRisk factorsHTLV-IIDrug usersHuman immunodeficiency virus (HIV) infectionHIV infection statusImmunodeficiency virus infectionIntravenous drug useMethadone maintenance programTransfusion historyNeedle sharingVirus infectionSerologic resultsSex partnersDrug useShooting galleriesEndemic infectionInfectionOlder ageInfection statusOld infection