2024
Performance of two modified two-tier algorithms for the serologic diagnosis of Lyme disease
Landry M, Hassan S, Rottmann B, Pesak S, Ordazzo M, Skrzyniarz M, Deponte S, Peaper D. Performance of two modified two-tier algorithms for the serologic diagnosis of Lyme disease. Journal Of Clinical Microbiology 2024, 62: e00139-24. PMID: 38597655, PMCID: PMC11077974, DOI: 10.1128/jcm.00139-24.Peer-Reviewed Original ResearchConceptsPositive percent agreementSerologic diagnosis of Lyme diseaseDiagnosis of Lyme diseaseEnzyme-linked immunoassayBorrelia speciesTwo-tier algorithmLyme diseaseTwo-tier testImmunoblottingLaboratory diagnosis of Lyme diseaseLIAISON chemiluminescent immunoassaysChemiluminescence immunoassayDetection of IgMScreening testConsensus reference standardSerological diagnosisLaboratory diagnosisDiaSorinIgM resultsIgM detection
2020
High Agreement Between an Ultrasensitive Clostridioides difficile Toxin Assay and a C. difficile Laboratory Algorithm Utilizing GDH-and-Toxin Enzyme Immunoassays and Cytotoxin Testing
Landry ML, Topal JE, Estis J, Katzenbach P, Nolan N, Sandlund J. High Agreement Between an Ultrasensitive Clostridioides difficile Toxin Assay and a C. difficile Laboratory Algorithm Utilizing GDH-and-Toxin Enzyme Immunoassays and Cytotoxin Testing. Journal Of Clinical Microbiology 2020, 58: 10.1128/jcm.01629-19. PMID: 31776192, PMCID: PMC6989068, DOI: 10.1128/jcm.01629-19.Peer-Reviewed Original ResearchConceptsToxin enzyme immunoassayToxin A/BCell cytotoxicity neutralization assayEnzyme immunoassayStool samplesDifficile toxin assaysProspective clinical studyCytotoxicity neutralization assayCare algorithmChart reviewClinical studiesToxin ACytotoxin testingNeutralization assaysToxin assaysNegative agreementDiscordant samplesLaboratory algorithmTesting algorithmHigh agreementInfection diagnosticsGlutamate dehydrogenasePositive agreementImmunoassayAssays
2019
Electronic Health Record–Assisted Reflex Urine Culture Testing Improves Emergency Department Diagnostic Efficiency
Coughlin RF, Peaper D, Rothenberg C, Golden M, Landry ML, Cotton J, Parwani V, Shapiro M, Ulrich A, Venkatesh AK. Electronic Health Record–Assisted Reflex Urine Culture Testing Improves Emergency Department Diagnostic Efficiency. American Journal Of Medical Quality 2019, 35: 252-257. PMID: 31296024, DOI: 10.1177/1062860619861947.Peer-Reviewed Original ResearchConceptsUrine culture ordersUrine culture testingED visitsUrine cultureEmergency departmentDiagnostic yieldCulture ordersCulture testingUrine culture utilizationClinical decision support toolElectronic health recordsSecondary outcomesPrimary outcomeTest utilizationHealth recordsSignificant decreaseDiagnostic efficiencyMean numberVisitsCulture utilizationOutcomesTesting algorithm
2009
Low-Abundance HIV Drug-Resistant Viral Variants in Treatment-Experienced Persons Correlate with Historical Antiretroviral Use
Le T, Chiarella J, Simen BB, Hanczaruk B, Egholm M, Landry ML, Dieckhaus K, Rosen MI, Kozal MJ. Low-Abundance HIV Drug-Resistant Viral Variants in Treatment-Experienced Persons Correlate with Historical Antiretroviral Use. PLOS ONE 2009, 4: e6079. PMID: 19562031, PMCID: PMC2698118, DOI: 10.1371/journal.pone.0006079.Peer-Reviewed Original ResearchConceptsAntiretroviral treatment historyDrug-resistant mutationsVirologic failureAntiretroviral useDrug-resistant variantsTreatment historyOverall burdenGenotypic resistanceHIV drug-resistant mutationsHIV drug-resistant variantsStanford HIV database algorithmDrug-resistant viral variantsSubsequent antiretroviral regimensTreatment-experienced patientsConventional genotypingPrior treatment historyUltra-deep pyrosequencingSanger sequencingAntiretroviral regimensMore antiretroviralsChart reviewAntiretroviral drugsUltra-deep sequencingClinical implicationsViral variants