2023
Evaluation of Plasma Biomarkers to Predict Major Adverse Kidney Events in Hospitalized Patients With COVID-19
Menez S, Coca S, Moledina D, Wen Y, Chan L, Thiessen-Philbrook H, Obeid W, Garibaldi B, Azeloglu E, Ugwuowo U, Sperati C, Arend L, Rosenberg A, Kaushal M, Jain S, Wilson F, Parikh C, Consortium T, Deng J, Atta M, Bagnasco S, Ko A, Iwasaki A, Farhadian S, Nelson A, Casanovas-Massana A, White E, Schulz W, Coppi A, Young P, Nunez A, Shepard D, Matos I, Strong Y, Anastasio K, Brower K, Kuang M, Chiorazzi M, Bermejo S, Vijayakumar P, Geng B, Fournier J, Minasyan M, Muenker M, Moore A, Nadkarni G. Evaluation of Plasma Biomarkers to Predict Major Adverse Kidney Events in Hospitalized Patients With COVID-19. American Journal Of Kidney Diseases 2023, 82: 322-332.e1. PMID: 37263570, PMCID: PMC10229201, DOI: 10.1053/j.ajkd.2023.03.010.Peer-Reviewed Original ResearchConceptsSoluble tumor necrosis factor receptor 1Major adverse kidney eventsAdverse kidney eventsAdverse kidney outcomesAcute kidney injuryKidney eventsTumor necrosis factor receptor 1Necrosis factor receptor 1Plasma biomarkersKidney outcomesC-indexFactor receptor 1Hospitalized patientsCOVID-19KDIGO stage 3 acute kidney injuryDialysis-requiring acute kidney injuryStage 3 acute kidney injuryLong-term adverse health outcomesReceptor 1Long-term kidney dysfunctionAvailable blood samplesIdentification of patientsProportional hazards regressionAdverse health outcomesCOVID-19 hospitalization
2022
Association of renalase with clinical outcomes in hospitalized patients with COVID-19
Safdar B, Wang M, Guo X, Cha C, Chun HJ, Deng Y, Dziura J, El-Khoury JM, Gorelick F, Ko AI, Lee AI, Safirstein R, Simonov M, Zhou B, Desir GV. Association of renalase with clinical outcomes in hospitalized patients with COVID-19. PLOS ONE 2022, 17: e0264178. PMID: 35259186, PMCID: PMC8903289, DOI: 10.1371/journal.pone.0264178.Peer-Reviewed Original ResearchConceptsCOVID-19 patientsRenalase levelsIntensive care unit admissionHospitalized COVID-19 patientsMean age 64 yearsCOVID-19Cox proportional hazards modelCare unit admissionPrimary composite outcomeRetrospective cohort studyUse of vasopressorsSevere COVID-19IL-6 levelsAge 64 yearsRisk of deathCOVID-19 subjectsInitial disease severityProportional hazards modelCOVID-19 diseasePlasma renalaseUnit admissionICU admissionCohort studyComposite outcomeCytokine levels
2021
Social determinants associated with Zika virus infection in pregnant women
Nery N, Ticona J, Gambrah C, Doss-Gollin S, Aromolaran A, Rastely-Júnior V, Lessa M, Sacramento GA, Cruz JS, de Oliveira D, dos Santos LL, da Silva CG, Botosso VF, Soares CP, Araujo DB, Oliveira DB, dos Santos Alves RP, Andreata-Santos R, Durigon EL, de Souza Ferreira LC, Wunder EA, Khouri R, Oliveira-Filho J, de Siqueira IC, Almeida ARP, Reis MG, Ko AI, Costa F. Social determinants associated with Zika virus infection in pregnant women. PLOS Neglected Tropical Diseases 2021, 15: e0009612. PMID: 34329305, PMCID: PMC8323902, DOI: 10.1371/journal.pntd.0009612.Peer-Reviewed Original ResearchConceptsPregnant womenSocial determinantsZIKV exposureZIKV infectionZika virusPlaque reduction neutralization testReferral maternity hospitalZika virus infectionReduction neutralization testCross-sectional studyKey social determinantsZIKV resultsClinical characteristicsMaternity hospitalRisk factorsVirus infectionExposure statusSociodemographic determinantsNeutralization testMultivariate analysisInfection riskLogistic regressionLower educationFuture interventionsInfectionMaternal outcomes and risk factors for COVID-19 severity among pregnant women
Vouga M, Favre G, Martinez-Perez O, Pomar L, Acebal LF, Abascal-Saiz A, Hernandez MRV, Hcini N, Lambert V, Carles G, Sichitiu J, Salomon L, Stirnemann J, Ville Y, de Tejada BM, Goncé A, Hawkins-Villarreal A, Castillo K, Solsona EG, Trigo L, Cleary B, Geary M, Bartels H, Al-Kharouf F, Malone F, Higgins M, Keating N, Knowles S, Poncelet C, Ribeiro-do-Valle CC, Surita F, Dantas-Silva A, Borrelli C, Luz AG, Fuenzalida J, Carvajal J, Canales MG, Hernandez O, Grechukhina O, Ko AI, Reddy U, Figueiredo R, Moucho M, Pinto PV, De Luca C, De Santis M, de Campos DA, Martins I, Garabedian C, Subtil D, Bohrer B, Da Rocha Oppermann ML, Wender MCO, Schuler-Faccini L, Sanseverino MTV, Giugliani C, Friedrich L, Scherer MH, Mottet N, Ducarme G, Pelerin H, Moreau C, Breton B, Quibel T, Rozenberg P, Giannoni E, Granado C, Monod C, Mueller D, Hoesli I, Bassler D, Heldstab S, Kölble NO, Sentilhes L, Charvet M, Deprest J, Richter J, Van der Veeken L, Eggel-Hort B, Plantefeve G, Derouich M, Calvache AJN, Lopez-Giron MC, Burgos-Luna JM, Escobar-Vidarte MF, Hecher K, Tallarek AC, Hadar E, Haratz KK, Amikam U, Malinger G, Maymon R, Yogev Y, Schäffer L, Toussaint A, Rossier MC, De Sa RAM, Grawe C, Aebi-Popp K, Radan AP, Raio L, Surbek D, Böckenhoff P, Strizek B, Kaufmann M, Bloch A, Boulvain M, Johann S, Heldstab SA, Bernasconi MT, Grant G, Feki A, Brochut AM, Giral M, Sedille L, Papadia A, Brugger RC, Weber B, Fischer T, Kahlert C, Saines KN, Cambou M, Kanellos P, Chen X, Yin M, Haessig A, Ackermann S, Baud D, Panchaud A. Maternal outcomes and risk factors for COVID-19 severity among pregnant women. Scientific Reports 2021, 11: 13898. PMID: 34230507, PMCID: PMC8260739, DOI: 10.1038/s41598-021-92357-y.Peer-Reviewed Original ResearchConceptsSevere maternal outcomesPregnant womenRisk factorsMaternal outcomesPulmonary comorbiditiesHypertensive disordersNeonatal outcomesSevere complicationsHigh riskSevere acute respiratory syndrome coronavirus 2Severe coronavirus disease-19Severe COVID-19 diseaseAcute respiratory syndrome coronavirus 2Neonatal intensive care unitSARS-CoV-2 infectionRespiratory syndrome coronavirus 2Immediate neonatal outcomeIntensive care unitSyndrome coronavirus 2COVID-19 severityCase-control studyCoronavirus disease-19SARS-CoV-2COVID-19 diseaseMaternal diseaseThe escalating tuberculosis crisis in central and South American prisons
Walter KS, Martinez L, Arakaki-Sanchez D, Sequera VG, Sanabria G, Cohen T, Ko AI, García-Basteiro AL, Rueda ZV, López-Olarte RA, Espinal MA, Croda J, Andrews JR. The escalating tuberculosis crisis in central and South American prisons. The Lancet 2021, 397: 1591-1596. PMID: 33838724, PMCID: PMC9393884, DOI: 10.1016/s0140-6736(20)32578-2.Peer-Reviewed Original ResearchMeSH KeywordsCentral AmericaHealth Services AccessibilityHumansIncidencePrisonersRisk FactorsSouth AmericaTuberculosisHousehold rat infestation in urban slum populations: Development and validation of a predictive score for leptospirosis
Costa F, Zeppelini CG, Ribeiro GS, Santos N, Reis RB, Martins RD, Bittencourt D, Santana C, Brant J, Reis MG, Ko AI. Household rat infestation in urban slum populations: Development and validation of a predictive score for leptospirosis. PLOS Neglected Tropical Diseases 2021, 15: e0009154. PMID: 33657101, PMCID: PMC7959339, DOI: 10.1371/journal.pntd.0009154.Peer-Reviewed Original Research
2020
Effects of Accounting for Interval-Censored Antibody Titer Decay on Seroincidence in a Longitudinal Cohort Study of Leptospirosis
Bonner K, Cruz JS, Sacramento GA, de Oliveira D, Nery N, Carvalho M, Costa F, Childs JE, Ko AI, Diggle PJ. Effects of Accounting for Interval-Censored Antibody Titer Decay on Seroincidence in a Longitudinal Cohort Study of Leptospirosis. American Journal Of Epidemiology 2020, 190: 893-899. PMID: 33274738, PMCID: PMC8096484, DOI: 10.1093/aje/kwaa253.Peer-Reviewed Original ResearchMeSH KeywordsBrazilHumansIncidenceItalyLeptospirosisLongitudinal StudiesRisk FactorsSeroepidemiologic StudiesConceptsLongitudinal cohort studyCohort studyMicroscopic agglutination test titersAgglutination test titersHigh transmission settingsPoint-source exposureSeroincidence ratesEstimates of infectionRisk factorsTest titersReported casesEpidemiologic implicationsInfection rateMean infection rateSerological samplesSerological assaysLeptospirosis casesInfectionArboviral diseasesTiter dilutionsSeroincidenceSource exposureLeptospirosisSample size estimationIntervalSeroepidemiology of Leptospira infection in slaughtered cattle in Gauteng province, South Africa
Dogonyaro BB, van Heerden H, Potts AD, Kolo BF, Lotter C, Katsande C, Fasina FO, Ko AI, Wunder EA, Adesiyun AA. Seroepidemiology of Leptospira infection in slaughtered cattle in Gauteng province, South Africa. Tropical Animal Health And Production 2020, 52: 3789-3798. PMID: 33009586, PMCID: PMC10407966, DOI: 10.1007/s11250-020-02417-0.Peer-Reviewed Original ResearchConceptsSeroprevalence of leptospirosisMicroscopic agglutination testRisk factorsCattle populationSeropositive cattleSerogroup SejroeSouth AfricaCattleCross-sectional studyLeptospira sppPublic health importancePredominant serogroupVaccine serogroupsAbattoirLivestockLeptospira infectionGauteng ProvinceCutoff titerBlood samplesLeptospirosisSejroeDemographic dataHealth importanceAgglutination testSeroprevalence
2019
Seroprevalence, Risk Factors, and Rodent Reservoirs of Leptospirosis in an Urban Community of Puerto Rico, 2015
Briskin EA, Casanovas-Massana A, Ryff KR, Morales-Estrada S, Hamond C, Perez-Rodriguez NM, Benavidez KM, Weinberger DM, Castro-Arellano I, Wunder EA, Sharp TM, Rivera-Garcia B, Ko AI. Seroprevalence, Risk Factors, and Rodent Reservoirs of Leptospirosis in an Urban Community of Puerto Rico, 2015. The Journal Of Infectious Diseases 2019, 220: 1489-1497. PMID: 31342075, PMCID: PMC6761939, DOI: 10.1093/infdis/jiz339.Peer-Reviewed Original ResearchConceptsRisk factorsAnti-Leptospira antibodiesBurden of leptospirosisRisk of infectionMicroscopic agglutination testCross-sectional surveyQuantitative polymerase chain reactionSeropositive individualsPrevious infectionPolymerase chain reactionLeptospira infectionLeptospira carriageSerogroup IcterohaemorrhagiaeHigh titersStudy participantsAgglutination testLeptospira exposurePathogenic LeptospiraInfectionRodent reservoirsChain reactionAntibodiesRodent trappingSeroprevalenceCommunity sites
2016
Cathelicidin Insufficiency in Patients with Fatal Leptospirosis
Lindow JC, Wunder EA, Popper SJ, Min JN, Mannam P, Srivastava A, Yao Y, Hacker KP, Raddassi K, Lee PJ, Montgomery RR, Shaw AC, Hagan JE, Araújo GC, Nery N, Relman DA, Kim CC, Reis MG, Ko AI. Cathelicidin Insufficiency in Patients with Fatal Leptospirosis. PLOS Pathogens 2016, 12: e1005943. PMID: 27812211, PMCID: PMC5094754, DOI: 10.1371/journal.ppat.1005943.Peer-Reviewed Original ResearchConceptsHost immune responseHigh bacterial loadBacterial loadAcute leptospirosisCase fatalityFatal casesDisease progressionImmune responseHigher systemic bacterial loadsValuable new therapeutic approachPro-inflammatory cytokine receptorsAdaptive immune signaturesSystemic bacterial loadsIndependent risk factorTime of hospitalizationDuration of illnessHigh case fatalityPoor clinical outcomeNew therapeutic approachesBlood transcriptional profilingLimited study sizeFatal leptospirosisLethal leptospirosisRANTES levelsSerum cathelicidin
2008
Impact of Environment and Social Gradient on Leptospira Infection in Urban Slums
Reis RB, Ribeiro GS, Felzemburgh RD, Santana FS, Mohr S, Melendez AX, Queiroz A, Santos AC, Ravines RR, Tassinari WS, Carvalho MS, Reis MG, Ko AI. Impact of Environment and Social Gradient on Leptospira Infection in Urban Slums. PLOS Neglected Tropical Diseases 2008, 2: e228. PMID: 18431445, PMCID: PMC2292260, DOI: 10.1371/journal.pntd.0000228.Peer-Reviewed Original ResearchConceptsLeptospira antibodiesLeptospira infectionRisk factorsIndependent risk factorSocioeconomic statusUrban slumsCommunity-based surveyPopulation-based informationHousehold environmental factorsPoisson regression modelsBlack raceOverall prevalencePrior infectionHealth outcomesHealth problemsUrban leptospirosisInfection riskInfectionSocial gradientUnequal health outcomesEffective preventionLeptospira transmissionTransmission determinantsAntibodiesSystem survey
2002
Population-based case-control investigation of risk factors for leptospirosis during an urban epidemic.
Sarkar U, Nascimento S, Barbosa R, Martins R, Nuevo H, Kalofonos I, Kalafanos I, Grunstein I, Flannery B, Dias J, Riley L, Reis M, Ko A. Population-based case-control investigation of risk factors for leptospirosis during an urban epidemic. American Journal Of Tropical Medicine And Hygiene 2002, 66: 605-10. PMID: 12201599, DOI: 10.4269/ajtmh.2002.66.605.Peer-Reviewed Original ResearchConceptsRisk factorsUrban epidemicPopulation-based case-control studyPopulation-based case-control investigationIndependent risk factorLaboratory-confirmed casesHealthy neighbourhood controlsCase-control investigationCase-control studyCases of leptospirosisSevere leptospirosisWeil's syndromeWorkplace exposuresNeighborhood controlsHigh endemicityLeptospirosisFocused interventionsMore ratsSyndromeRatsEpidemicEnvironmental sourcesComplicationsFactorsMortality
2000
Clonally Related Penicillin-Nonsusceptible Streptococcus pneumoniae Serotype 14 from Cases of Meningitis in Salvador, Brazil
Ko A, Reis J, Coppola S, Gouveia E, Cordeiro S, Lôbo T, Pinheiro R, Salgado K, Dourado C, Tavares-Neto J, Rocha H, Reis M, Johnson W, Riley L. Clonally Related Penicillin-Nonsusceptible Streptococcus pneumoniae Serotype 14 from Cases of Meningitis in Salvador, Brazil. Clinical Infectious Diseases 2000, 30: 78-86. PMID: 10619737, DOI: 10.1086/313619.Peer-Reviewed Original ResearchConceptsPenicillin-nonsusceptible isolatesSerotype 14 isolatesSerotype 14Pneumococcal meningitisActive hospital-based surveillanceCases of meningitisHospital-based surveillancePrevious antibiotic useIntermediate-level resistanceSerotype 14 strainsPolymerase chain reaction analysisAntibiotic useChain reaction analysisPrevalent serotypesMeningitisUnrelated patternsPCR patternsCity of SalvadorPatientsStreptococcus pneumoniae serotype 14Reaction analysisIsolatesLarge proportionGeographic areasInfection