2024
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
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 plantingsCDCRisk
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 ResearchConceptsNon-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 consultations
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
2017
Diagnostic Outcomes After Chest Radiograph Interpretation in Patients With Suspected Tuberculosis and Negative Sputum Smears in a High-Burden Human Immunodeficiency Virus and Tuberculosis Setting
Cudahy PGT, Dawson R, Allwood BW, Maartens G, Wilson D. Diagnostic Outcomes After Chest Radiograph Interpretation in Patients With Suspected Tuberculosis and Negative Sputum Smears in a High-Burden Human Immunodeficiency Virus and Tuberculosis Setting. Open Forum Infectious Diseases 2017, 4: ofx123. PMID: 28721354, PMCID: PMC5508775, DOI: 10.1093/ofid/ofx123.Peer-Reviewed Original ResearchAcid-fast bacilliNegative sputum smearsSputum smearPulmonary tuberculosisChest radiographsSputum smear-negative patientsSmear-negative pulmonary tuberculosisSmear-negative patientsEvaluation of patientsPrimary care clinicsChest X-ray readingsPoor diagnostic utilityX-ray readingsChest radiograph interpretationSputum cultureCare clinicsExperienced pulmonologistsDiagnostic utilityClinical diagnosisPatientsTuberculosisDiagnostic outcomesRadiograph interpretationLow specificitySmears