2022
Culture-Independent Detection and Identification of Leptospira Serovars
Matthias M, Lubar A, Acharige S, Chaiboonma K, Pilau N, Marroquin A, Jayasundara D, Agampodi S, Vinetz J. Culture-Independent Detection and Identification of Leptospira Serovars. Microbiology Spectrum 2022, 10: e02475-22. PMID: 36445143, PMCID: PMC9769591, DOI: 10.1128/spectrum.02475-22.Peer-Reviewed Original ResearchConceptsPublic health importanceProspective studyFatal diseaseHealth importanceOutbreak investigationSequence typingDog urine samplesCulture-independent assaysEnvironmental surveillance studyMultilocus sequence typingPulsed-field gel electrophoresisSurveillance studyGroup IIHuman leptospirosisPrognostic testSpecific real-time qPCRClinical settingGroup ILeptospira serovarsReal-time qPCRDiagnostic testsSerum samplesUrine samplesDiagnostic specificityLeptospirosisDiagnostic method-based underestimation of leptospirosis in clinical and research settings; an experience from a large prospective study in a high endemic setting
Warnasekara J, Srimantha S, Kappagoda C, Jayasundara D, Senevirathna I, Matthias M, Agampodi S, Vinetz J. Diagnostic method-based underestimation of leptospirosis in clinical and research settings; an experience from a large prospective study in a high endemic setting. PLOS Neglected Tropical Diseases 2022, 16: e0010331. PMID: 35377883, PMCID: PMC9009773, DOI: 10.1371/journal.pntd.0010331.Peer-Reviewed Original ResearchConceptsMicroscopic agglutination testProspective hospital-based studyLeptospirosis casesQuantitative PCRHigh endemic settingHospital-based studyClinical case definitionLarge prospective studiesDisease burden estimatesPublic health burdenStandard diagnostic testMonths of observationUndifferentiated feverAcute leptospirosisProspective studyCase definitionEndemic settingsHealth burdenTimely diagnosisBurden estimatesDiagnostic valueSignificant human mortalityAgglutination testStudy settingDiagnostic tests
2014
Validity of a commercially available IgM ELISA test for diagnosing acute leptospirosis in high endemic districts of Sri Lanka
Agampodi S, Thevanesam V, Senaratne T. Validity of a commercially available IgM ELISA test for diagnosing acute leptospirosis in high endemic districts of Sri Lanka. Sri Lankan Journal Of Infectious Diseases 2014, 4: 83. DOI: 10.4038/sljid.v4i2.6952.Peer-Reviewed Original ResearchIgM ELISADiagnosis of leptospirosisConvalescent samplesImmunoglobulin M enzymeDays of illnessComparison groupCases of leptospirosisIgM ELISA kitResultsThe study sampleDepartment of MicrobiologyCare diagnostic testsFebrile patientsAcute leptospirosisFever patientsAcute samplesFaculty of MedicineHuman leptospirosisDay 14Disease confirmationELISA kitLeptospirosisPatientsDiagnostic testsImmunosorbent assayStudy sample
2012
Utility of Quantitative Polymerase Chain Reaction in Leptospirosis Diagnosis: Association of Level of Leptospiremia and Clinical Manifestations in Sri Lanka
Agampodi SB, Matthias MA, Moreno AC, Vinetz JM. Utility of Quantitative Polymerase Chain Reaction in Leptospirosis Diagnosis: Association of Level of Leptospiremia and Clinical Manifestations in Sri Lanka. Clinical Infectious Diseases 2012, 54: 1249-1255. PMID: 22354922, PMCID: PMC3404689, DOI: 10.1093/cid/cis035.Peer-Reviewed Original ResearchConceptsQuantitative polymerase chain reactionClinical manifestationsPolymerase chain reactionBlood samplesChain reactionWhole bloodOnset of symptomsSensitivity of qPCRAssociation of levelsSerum/bloodMicroscopic agglutination test panelValid diagnostic testPatient blood samplesOptimal sample typeFailure patientsRenal failureWhole blood samplesPatient populationTimely diagnosisLeptospiral loadEndemic areasDay 2Day 15LeptospiremiaDiagnostic tests