2022
A doctor at a PHC clinic: A ‘must-have’ or ‘nice-to-have’?
Kerry T, Cudahy P, Holst H, Ramsunder A, McGrath N. A doctor at a PHC clinic: A ‘must-have’ or ‘nice-to-have’? South African Medical Journal 2022, 113: 24-30. PMID: 36537544, DOI: 10.7196/samj.2023.v113i1.16700.Peer-Reviewed Original ResearchMeSH KeywordsAmbulatory Care FacilitiesChildHospitalsHumansPhysiciansPrimary Health CareSouth AfricaConceptsNon-communicable diseasesPHC clinicsClinic doctorsNurse cliniciansMedical conditionsPatient consultationsCommon non-communicable diseasesPrimary healthcare clinicsMedical servicesComplex clinical conditionsMedical doctorsNational Health InsuranceRenal diseaseClinic levelClinical conditionsChild healthClinic teamHealthcare clinicsClinical complexityMedical consultationClinicMental illnessPatientsCommunicable diseasesDoctor consultationsWhole-Genome Sequencing Has the Potential To Improve Treatment for Rifampicin-Resistant Tuberculosis in High-Burden Settings: a Retrospective Cohort Study
Cox H, Goig GA, Salaam-Dreyer Z, Dippenaar A, Reuter A, Mohr-Holland E, Daniels J, Cudahy PGT, Nicol MP, Borrell S, Reinhard M, Doetsch A, Beisel C, Gagneux S, Warren RM, Furin J. Whole-Genome Sequencing Has the Potential To Improve Treatment for Rifampicin-Resistant Tuberculosis in High-Burden Settings: a Retrospective Cohort Study. Journal Of Clinical Microbiology 2022, 60: e02362-21. PMID: 35170980, PMCID: PMC8925891, DOI: 10.1128/jcm.02362-21.Peer-Reviewed Original ResearchConceptsDrug susceptibility testingRifampicin-resistant tuberculosisShort regimenMDR/RR-TB patientsMDR/RR-TBRR-TB patientsRetrospective cohort studyMore effective treatment regimensHigh-burden settingsRoutine drug susceptibility testingTB drug resistanceEffective treatment regimensWhole-genome sequencingTolerable regimensCohort studyRetrospective cohortRR-TBRegimen changeTreatment regimensTreatment recommendationsPatient outcomesTreatment individualizationClinical dataIndividualized treatmentIneffective drugs
2021
Potential contribution of HIV during first-line tuberculosis treatment to subsequent rifampicin-monoresistant tuberculosis and acquired tuberculosis drug resistance in South Africa: a retrospective molecular epidemiology study
Cox H, Salaam-Dreyer Z, Goig GA, Nicol MP, Menardo F, Dippenaar A, Mohr-Holland E, Daniels J, Cudahy PGT, Borrell S, Reinhard M, Doetsch A, Beisel C, Reuter A, Furin J, Gagneux S, Warren RM. Potential contribution of HIV during first-line tuberculosis treatment to subsequent rifampicin-monoresistant tuberculosis and acquired tuberculosis drug resistance in South Africa: a retrospective molecular epidemiology study. The Lancet Microbe 2021, 2: e584-e593. PMID: 34766068, PMCID: PMC8563432, DOI: 10.1016/s2666-5247(21)00144-0.Peer-Reviewed Original ResearchConceptsFirst-line tuberculosis treatmentPrevious tuberculosis treatmentRifampicin-resistant tuberculosisRifampicin-monoresistant tuberculosisTuberculosis treatmentHIV positivityCohort studyLarge-scale prospective cohort studyResistance acquisitionPrevious treatmentRetrospective cohort studyProspective cohort studyTuberculosis drug resistancePatient-level dataLogistic regression analysisWhole-genome sequencingMolecular epidemiology studiesProspective databaseMDR tuberculosisRetrospective cohortFemale sexHigh burdenPatientsHIVEpidemiology studiesRifampicin-Monoresistant Tuberculosis Is Not the Same as Multidrug-Resistant Tuberculosis: a Descriptive Study from Khayelitsha, South Africa
Salaam-Dreyer Z, Streicher EM, Sirgel FA, Menardo F, Borrell S, Reinhard M, Doetsch A, Cudahy PGT, Mohr-Holland E, Daniels J, Dippenaar A, Nicol MP, Gagneux S, Warren RM, Cox H. Rifampicin-Monoresistant Tuberculosis Is Not the Same as Multidrug-Resistant Tuberculosis: a Descriptive Study from Khayelitsha, South Africa. Antimicrobial Agents And Chemotherapy 2021, 65: 10.1128/aac.00364-21. PMID: 34460307, PMCID: PMC8522772, DOI: 10.1128/aac.00364-21.Peer-Reviewed Original ResearchConceptsMultidrug-resistant TBRMR-TBRR-TBPatient-level clinical dataPhenotypic drug susceptibility testingRifampicin-monoresistant tuberculosisRR-TB patientsMultidrug-resistant tuberculosisHIV-positive individualsRifampin-resistant tuberculosisDrug susceptibility testingRifampin monoresistanceHIV infectionMDR isolatesTB drugsRisk factorsClinical dataSusceptibility testingSubset of isolatesTuberculosisDescriptive studyMycobacterium tuberculosisAvailable WGS dataSignificant differencesPatients
2020
Use of the antenatal antiretroviral (ARV) tracking form in maternity case records to improve ARV management
Kerry T, Cudahy P. Use of the antenatal antiretroviral (ARV) tracking form in maternity case records to improve ARV management. South African Medical Journal 2020, 110: 1206-1212. PMID: 33403967, DOI: 10.7196/samj.2020.v110i12.14505.Peer-Reviewed Original ResearchConceptsMaternity case recordsQuality of careRecords of womenCase recordsAntiretroviral managementBlood testsCorrect bloodTracking formHIV-positive pregnant womenHIV viral loadRetrospective chart reviewHIV-positive womenTime of deliveryUMgungundlovu DistrictTerms of outcomesBooking visitAntenatal clinicChart reviewViral loadPregnant womenDistrict hospitalBlood resultsMaternity casesWomenCareRisk 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 completion