2025
Risk of Bacterial Infections in Febrile Infants 61 to 90 Days Old With Respiratory Viruses.
Aronson P, Mahajan P, Nielsen B, Olsen C, Meeks H, Grundmeier R, Kuppermann N. Risk of Bacterial Infections in Febrile Infants 61 to 90 Days Old With Respiratory Viruses. 2025, 156 PMID: 40506050, DOI: 10.1542/peds.2025-070617.Peer-Reviewed Original ResearchConceptsPrevalence of urinary tract infectionUrinary tract infectionPediatric Emergency Care Applied Research NetworkRespiratory viral testingRespiratory viral infectionsFebrile infantsBacterial meningitisRespiratory virusesSARS-CoV-2Viral testingViral infectionSARS-CoV-2-positive infantsBacterial infectionsRisk of bacterial infectionPrevalence of bacteremiaPrevalence of bacterial infectionRespiratory syncytial virusBlood culturesTract infectionsPositive infantsSyncytial virusNegative infantsBacteremiaMeningitisInfants
2023
Characterization and diagnosis spectrum of patients with cerebrospinal fluid pleocytosis
Dyckhoff-Shen S, Bewersdorf J, Teske N, Völk S, Pfister H, Koedel U, Klein M. Characterization and diagnosis spectrum of patients with cerebrospinal fluid pleocytosis. Infection 2023, 52: 219-229. PMID: 37656347, PMCID: PMC10811117, DOI: 10.1007/s15010-023-02087-8.Peer-Reviewed Original ResearchConceptsCerebrospinal fluid pleocytosisCerebrospinal fluid cell countBacterial meningitisCerebrospinal fluidCNS infectionCell countElevated white blood cell countResultsThe most common etiologyMethodsA retrospective cohort studyNeoplastic diseaseAutoimmune CNS diseaseWhite blood cell countRetrospective cohort studySpectrum of patientsCharacteristics of patientsBlood cell countCerebrospinal fluid proteinAbnormal mental statusLaboratory featuresCSF pleocytosisCSF leukocytesLaboratory parametersClinical presentationNuchal rigidityCommon etiologiesPrevalence of Urinary Tract Infection, Bacteremia, and Meningitis Among Febrile Infants Aged 8 to 60 Days With SARS-CoV-2
Aronson P, Louie J, Kerns E, Jennings B, Magee S, Wang M, Gupta N, Kovaleski C, McDaniel L, McDaniel C, Agbim C, Amadasun O, Beam N, Beamon B, Becker H, Bedard E, Biondi E, Boulet J, Bray-Aschenbrenner A, Brooks R, Chen C, Corboy J, Dawlabani N, De Angulo G, Demie S, Drexler J, Dudley N, Ellis A, Fath K, Frauenfelder A, Gill J, Graf T, Grageda M, Greening H, Griffin A, Groen A, Guernsey III D, Gustafson S, Hancock W, Iyer S, Jaiyeola P, Jayanth A, Jennings R, Kachan-Liu S, Kamat A, Kennedy I, Khateeb L, Khilji O, Kleweno E, Kumar A, Kwon S, La A, Laeven-Sessions P, Le K, Leazer R, Levasseur K, Lewis E, Maalouli W, Mackenzie B, Mahoney K, Margulis D, Maskin L, McCarty E, Monroy A, Morrison J, Myszewski J, Nadeau N, Nagappan S, Newcomer K, Nordstrom M, Nguyen D, O'Day P, Oumarbaeva-Malone Y, Parlin U, Peters S, Piroutek M, Quarrie R, Rice K, Romano T, Rooholamini S, Schroeder C, Segar E, Seitzinger P, Sharma S, Simpson B, Singh P, Sobeih Y, Sojar S, Srinivasan K, Sterrett E, Swift-Taylor M, Szkola S, Thull-Freedman J, Topoz I, Vayngortin T, Veit C, Ventura-Polanco Y, Wallace Wu A, Weiss L, Wong E, Zafar S. Prevalence of Urinary Tract Infection, Bacteremia, and Meningitis Among Febrile Infants Aged 8 to 60 Days With SARS-CoV-2. JAMA Network Open 2023, 6: e2313354. PMID: 37171815, PMCID: PMC10182434, DOI: 10.1001/jamanetworkopen.2023.13354.Peer-Reviewed Original ResearchConceptsPrevalence of UTIUrinary tract infectionSARS-CoV-2SARS-CoV-2-positive infantsSARS-CoV-2 testingFebrile infantsBacterial meningitisTract infectionsSARS-CoV-2 positivityMulticenter cross-sectional studyInflammatory marker levelsMedical record reviewProportion of infantsCross-sectional studyQuality improvement initiativesRecord reviewEmergency departmentMarker levelsLower proportionBacteremiaMAIN OUTCOMEMeningitisInfantsAge groupsBacterial infections
2022
Trends in Prevalence of Bacterial Infections in Febrile Infants During the COVID-19 Pandemic.
Aronson P, Kerns E, Jennings B, Magee S, Wang M, McDaniel C. Trends in Prevalence of Bacterial Infections in Febrile Infants During the COVID-19 Pandemic. 2022, 150 PMID: 36353853, DOI: 10.1542/peds.2022-059235.Peer-Reviewed Original ResearchConceptsUrinary tract infectionInvasive bacterial infectionsCOVID-19 prevalenceFebrile infantsOdds of UTIPrevalence of UTIBacterial infectionsMulticenter cross-sectional studyEmergency department visitsMonths of presentationCoronavirus disease 2019 (COVID-19) pandemicCross-sectional studyDisease 2019 pandemicUTI prevalenceTract infectionsBacterial meningitisDepartment visitsLower oddsPrepandemic levelsInfantsInfants 8MeningitisBacteremiaLogistic regressionPrevalence
2020
Febrile Infants ≤60 Days Old With Positive Urinalysis Results and Invasive Bacterial Infections
Yankova LC, Neuman MI, Wang ME, Woll C, DePorre AG, Desai S, Sartori LF, Nigrovic LE, Pruitt CM, Marble RD, Leazer RC, Rooholamini SN, Balamuth F, Aronson PL. Febrile Infants ≤60 Days Old With Positive Urinalysis Results and Invasive Bacterial Infections. Hospital Pediatrics 2020, 10: 1120-1125. PMID: 33239319, PMCID: PMC7684554, DOI: 10.1542/hpeds.2020-000638.Peer-Reviewed Original ResearchConceptsInvasive bacterial infectionsAbnormal WBC countPositive urinalysis resultsFebrile infantsUrinalysis resultsWBC countIll appearanceBacterial meningitisAbnormal white blood cell countBacterial infectionsWhite blood cell countConcomitant bacterial meningitisCerebrospinal fluid pleocytosisRetrospective cohort studyUrinary tract infectionPlanned secondary analysisBlood cell countCohort studyLaboratory characteristicsTract infectionsEmergency departmentMost infantsMedical historyLower riskMeningitisA pooled analysis of the LAMP assay for the detection of Neisseria meningitidis
Fan SJ, Tan HK, Xu YC, Chen YZ, Xie TA, Pan ZY, Ouyang S, Li Q, Li XY, Li ZX, Guo XG. A pooled analysis of the LAMP assay for the detection of Neisseria meningitidis. BMC Infectious Diseases 2020, 20: 525. PMID: 32689953, PMCID: PMC7372874, DOI: 10.1186/s12879-020-05250-w.Peer-Reviewed Original ResearchConceptsLoop-mediated isothermal amplificationBacterial meningitisFunnel plotPublication biasHigh mortality rateLAMP assayWeb of ScienceSROC curvePooled analysisMortality rateClinical practiceDiagnostic accuracyMajor causeMeningococcusNeisseria meningitidisSummary receiverCharacteristic curveMeningitisReliable diagnosisDeeks' funnel plotIsothermal amplificationDepressed areasOriginal studyMeningitidisBacterial culture
2018
Risk Stratification of Febrile Infants ≤60 Days Old Without Routine Lumbar Puncture
Aronson PL, Wang ME, Shapiro ED, Shah SS, DePorre AG, McCulloh RJ, Pruitt CM, Desai S, Nigrovic LE, Marble RD, Leazer RC, Rooholamini SN, Sartori LF, Balamuth F, Woll C, Neuman MI. Risk Stratification of Febrile Infants ≤60 Days Old Without Routine Lumbar Puncture. 2018, 142: e20181879. PMID: 30425130, PMCID: PMC6317769, DOI: 10.1542/peds.2018-1879.Peer-Reviewed Original ResearchConceptsInvasive bacterial infectionsPhiladelphia criteriaFebrile infantsBacterial meningitisRisk stratificationCSF testingRochester criteriaEmergency departmentLower riskRoutine CSF testingCerebrospinal fluid testingComplex chronic conditionsRoutine lumbar punctureCase-control studyDate of visitLow-risk infantsLumbar punctureChronic conditionsHigh riskInfantsBacterial infectionsDay oldsFluid testingMeningitisRiskFactors Associated with Adverse Outcomes among Febrile Young Infants with Invasive Bacterial Infections
Pruitt CM, Neuman MI, Shah SS, Shabanova V, Woll C, Wang ME, Alpern ER, Williams DJ, Sartori L, Desai S, Leazer RC, Marble RD, McCulloh RJ, DePorre AG, Rooholamini SN, Lumb CE, Balamuth F, Shin S, Aronson PL, Collaborative F, Nigrovic L, Browning W, Mitchell C, Peaper D, Feldman E. Factors Associated with Adverse Outcomes among Febrile Young Infants with Invasive Bacterial Infections. The Journal Of Pediatrics 2018, 204: 177-182.e1. PMID: 30297292, PMCID: PMC6309646, DOI: 10.1016/j.jpeds.2018.08.066.Peer-Reviewed Original ResearchConceptsInvasive bacterial infectionsFebrile young infantsAdverse outcomesBacterial meningitisYoung infantsIll appearanceFebrile infantsBacterial infectionsRetrospective cohort studyMedical record reviewLocal microbiology laboratoryMixed-effects logistic regressionElectronic medical record systemDays of ageIll appearingNeurologic sequelaeCohort studyMedical record systemClinical factorsMedication receiptMechanical ventilationRecord reviewClinical dataInclusion criteriaMeningitisTime to Pathogen Detection for Non-ill Versus Ill-Appearing Infants ≤60 Days Old With Bacteremia and Meningitis
Aronson PL, Wang ME, Nigrovic LE, Shah SS, Desai S, Pruitt CM, Balamuth F, Sartori L, Marble RD, Rooholamini SN, Leazer RC, Woll C, DePorre AG, Neuman MI. Time to Pathogen Detection for Non-ill Versus Ill-Appearing Infants ≤60 Days Old With Bacteremia and Meningitis. Hospital Pediatrics 2018, 8: 379-384. PMID: 29954839, PMCID: PMC6145376, DOI: 10.1542/hpeds.2018-0002.Peer-Reviewed Original ResearchConceptsBacterial meningitisCerebrospinal fluidOverall low prevalenceIll appearanceChildren's HospitalClinical appearanceEmergency departmentBlood culturesMedical recordsBacteremiaLow prevalenceMeningitisInfantsDay oldsMicrobiology laboratoryDemographic characteristicsBloodPathogen detectionHospitalBacterial pathogensHoursLower proportionDaysPathogensInfectionEpidemiology and Etiology of Invasive Bacterial Infection in Infants ≤60 Days Old Treated in Emergency Departments
Woll C, Neuman MI, Pruitt CM, Wang ME, Shapiro ED, Shah SS, McCulloh RJ, Nigrovic LE, Desai S, DePorre AG, Leazer RC, Marble RD, Balamuth F, Feldman EA, Sartori LF, Browning WL, Aronson PL, Collaborative F, Alpern E, Hayes K, Lee B, Lumb C, Mitchell C, Peaper D, Rooholamini S, Shin S, Williams D. Epidemiology and Etiology of Invasive Bacterial Infection in Infants ≤60 Days Old Treated in Emergency Departments. The Journal Of Pediatrics 2018, 200: 210-217.e1. PMID: 29784512, PMCID: PMC6109608, DOI: 10.1016/j.jpeds.2018.04.033.Peer-Reviewed Original ResearchConceptsInvasive bacterial infectionsThird-generation cephalosporinsMicrobiology laboratory databaseEmergency departmentBacterial infectionsBacterial meningitisPediatric emergency departmentCombination of ampicillinAntimicrobial treatment regimenCross-sectional studyGroup B streptococciElectronic medical record systemEmpiric treatmentMedical record systemTreatment regimenChildren's HospitalMost infantsMedical recordsB streptococciCerebrospinal fluidCommon pathogensInfantsAntimicrobial susceptibilityDay oldsInfectionNovel and preclinical treatment strategies in pneumococcal meningitis
Bewersdorf J, Grandgirard D, Koedel U, Leib S. Novel and preclinical treatment strategies in pneumococcal meningitis. Current Opinion In Infectious Diseases 2018, 31: 85-92. PMID: 29095719, DOI: 10.1097/qco.0000000000000416.Peer-Reviewed Original ResearchConceptsAdjuvant therapyPneumococcal meningitisNew adjuvant therapiesSystematic clinical testingProtein-based pneumococcal vaccinesPreclinical treatment strategiesPneumococcal conjugate vaccineAnti-inflammatory therapyImprove disease outcomesToxic bacterial productsMatrix metalloproteinase inhibitorsNonbacteriolytic antibioticsAdjuvant dexamethasoneLife-threatening diseaseMeningeal inflammationBacterial meningitisSerotype replacementTreatment optionsConjugate vaccinePneumococcal vaccineMorbidity rateComplement inhibitorsTreatment strategiesSuppress inflammationMeningitis
2017
Impact of Enteroviral Polymerase Chain Reaction Testing on Length of Stay for Infants 60 Days Old or Younger
Aronson PL, Lyons TW, Cruz AT, Freedman SB, Okada PJ, Fleming AH, Arms JL, Thompson AD, Schmidt SM, Louie J, Alfonzo MJ, Monuteaux MC, Nigrovic LE, Group P, Alpern E, Balamuth F, Bradin S, Curtis S, Garro A, Grether-Jones K, Ishimine P, Kulik D, Mahajan P, Miller A, Mistry R, Pruitt C, Schnadower D, Shah S, Thomson J, Uspal N. Impact of Enteroviral Polymerase Chain Reaction Testing on Length of Stay for Infants 60 Days Old or Younger. The Journal Of Pediatrics 2017, 189: 169-174.e2. PMID: 28705656, PMCID: PMC5870831, DOI: 10.1016/j.jpeds.2017.06.021.Peer-Reviewed Original ResearchConceptsPCR testShorter LOSCentral nervous system infectionPolymerase chain reaction testingCerebrospinal fluid culturesNervous system infectionPlanned secondary analysisLarge multicenter cohortCerebrospinal fluid evaluationLength of stayPositive test resultsNegative test resultsDays of ageHospital lengthHospital LOSRetrospective cohortSystem infectionBacterial meningitisMulticenter cohortPatient ageFluid cultureHospital CenterPCR testingReaction testingInfants
2015
Association between Clinical Outcomes and Hospital Guidelines for Cerebrospinal Fluid Testing in Febrile Infants Aged 29-56 Days
Chua KP, Neuman MI, McWilliams JM, Aronson PL, Collaborative F, Thurm C, Williams D, Browning W, Nigrovic L, Alpern E, Tieder J, Feldman E, Shah S, Schondelmeyer A, Alessandrini E, McCulloh R, Myers A, Balamuth F, Hayes K. Association between Clinical Outcomes and Hospital Guidelines for Cerebrospinal Fluid Testing in Febrile Infants Aged 29-56 Days. The Journal Of Pediatrics 2015, 167: 1340-1346.e9. PMID: 26477870, PMCID: PMC5535778, DOI: 10.1016/j.jpeds.2015.09.021.Peer-Reviewed Original ResearchConceptsClinical practice guidelinesOlder febrile infantsFebrile infantsCerebrospinal fluid testingClinical outcomesCSF testingAdverse eventsFluid testingYoung febrile infantsCentral venous cathetersUS children's hospitalsSignificant differencesMedian annual household incomeRace/ethnicityAnnual household incomeHospital mortalityVenous cathetersBacterial meningitisMembrane oxygenationPrimary outcomeHospital guidelinesMechanical ventilationChildren's HospitalEmergency departmentPractice guidelines
2014
Brain Magnetic Resonance Imaging of Infants with Bacterial Meningitis
Oliveira CR, Morriss MC, Mistrot JG, Cantey JB, Doern CD, Sánchez PJ. Brain Magnetic Resonance Imaging of Infants with Bacterial Meningitis. The Journal Of Pediatrics 2014, 165: 134-139. PMID: 24726712, PMCID: PMC6855593, DOI: 10.1016/j.jpeds.2014.02.061.Peer-Reviewed Original ResearchConceptsBrain magnetic resonance imagingMagnetic resonance imagingBacterial meningitisPositive bacterial culturesCerebrospinal fluidClinical managementNeurosurgical interventionMedical CenterNormal brain magnetic resonance imagingCulture-confirmed bacterial meningitisPositive CSF culture resultsResonance imagingAbnormal magnetic resonance imagingMultiple logistic regression analysisAbnormal neurologic examinationCSF culture resultsChildren's Medical CenterLogistic regression analysisMonths of ageLate seizuresCerebral infarctsLeptomeningeal enhancementAntibiotic therapyCSF cultureNeurologic examination
2010
Pneumococcal serotypes causing pediatric meningitis in Turkey: application of a new technology in the investigation of cases negative by conventional culture
Ceyhan M, Yildirim I, Sheppard C, George R. Pneumococcal serotypes causing pediatric meningitis in Turkey: application of a new technology in the investigation of cases negative by conventional culture. European Journal Of Clinical Microbiology & Infectious Diseases 2010, 29: 289-293. PMID: 20087750, DOI: 10.1007/s10096-009-0853-y.Peer-Reviewed Original ResearchConceptsInvasive pneumococcal diseasePolymerase chain reactionPneumococcal diseasePneumococcal serotypesCSF samplesAntigen detectionSurveillance of serotypesPneumococcal conjugate vaccinePrior antibiotic useSerotypes/groupsCerebrospinal fluid samplesYears of agePediatric meningitisBacterial meningitisVaccine impactConjugate vaccineActive surveillanceAntibiotic useCommon serotypesQuellung reactionStreptococcus pneumoniaeAge groupsInvestigation of casesSerotype 5Ply gene
2009
Application of a Prediction Rule to Discriminate Between Aseptic and Bacterial Meningitis in Adults
Doolittle BR, Alias A. Application of a Prediction Rule to Discriminate Between Aseptic and Bacterial Meningitis in Adults. Hospital Practice 2009, 37: 93-97. PMID: 20877176, DOI: 10.3810/hp.2009.12.259.Peer-Reviewed Original ResearchConceptsBacterial meningitisPrediction ruleAseptic meningitisPediatric populationAdult cohortRetrospective chart reviewUrban community hospitalDifficult diagnostic challengeNegative predictive valueChart reviewPatient morbidityDiagnostic challengeUnnecessary hospitalizationCommunity hospitalProspective validationInclusion criteriaMeningitisPredictive valueAdult populationPatientsCohortPopulationHospitalizationMorbidityHospital
2008
A Prospective Study of Etiology of Childhood Acute Bacterial Meningitis, Turkey - Volume 14, Number 7—July 2008 - Emerging Infectious Diseases journal - CDC
Ceyhan M, Yildirim I, Balmer P, Borrow R, Dikici B, Turgut M, Kurt N, Aydogan A, Ecevit C, Anlar Y, Gulumser O, Tanir G, Salman N, Gurler N, Hatipoglu N, Hacimustafaoglu M, Celebi S, Coskun Y, Alhan E, Celik U, Camcioglu Y, Secmeer G, Gur D, Gray S. A Prospective Study of Etiology of Childhood Acute Bacterial Meningitis, Turkey - Volume 14, Number 7—July 2008 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2008, 14: 1089-1096. PMID: 18598630, PMCID: PMC2600347, DOI: 10.3201/eid1407.070938.Peer-Reviewed Original ResearchConceptsAcute bacterial meningitisBacterial meningitisSerogroup WCSF samplesChildhood acute bacterial meningitisHaemophilus influenzae type bInfectious Diseases journal - CDCEtiology of meningitisInfluenzae type bCerebrospinal fluid samplesPCR-positive samplesProspective studyBacterial etiologyMeningococcal diseaseVaccination policyCost of diseaseMeningitisS. pneumoniaeStreptococcus pneumoniaeClinical diagnosisEtiologyN. meningitidisNeisseria meningitidisDiseaseType BChronic daily headache: When to suspect meningitis
Davis L, Katzman J. Chronic daily headache: When to suspect meningitis. Current Pain And Headache Reports 2008, 12: 50-55. PMID: 18417024, DOI: 10.1007/s11916-008-0010-9.Peer-Reviewed Original ResearchConceptsCerebrospinal fluidEmergency department physiciansPrimary careDiagnosis of meningitisDepartment physiciansIndicative of meningitisEmergency departmentMillions of patientsPrimary headachesSecondary headachesBacterial meningitisLumbar puncturePhysical examinationMeningitisHeadacheHigh riskPhysiciansAdverse consequencesPatientsDiagnosisCareIndividualsExaminationEmergencyPleocytosis
2007
P1215 Endemic serogroup W135 meningococcal meningitis possibly originated from 2000 and 2001 Hajj epidemics: a prospective study for the aetiology of childhood acute bacterial meningitis in Turkey
Ceyhan M, Yildirim I, Balmer P, Borrow R, Secmeer G, Dikici B, Turgut M, Kurt N, Aydogan A, Ecevit C, Anlar Y, Gulumser O, Tanir G, Salman N, Gurler N, Aydin N, Hacimustafaoglu M, Celebi S, Coskun Y, Alhan E, Celik U, Camcioglu Y. P1215 Endemic serogroup W135 meningococcal meningitis possibly originated from 2000 and 2001 Hajj epidemics: a prospective study for the aetiology of childhood acute bacterial meningitis in Turkey. International Journal Of Antimicrobial Agents 2007, 29: s333. DOI: 10.1016/s0924-8579(07)71055-5.Peer-Reviewed Original Research
2006
PHARMACOKINETICS OF FLORFENICOL AFTER A SINGLE INTRAMUSCULAR DOSE IN WHITE-SPOTTED BAMBOO SHARKS (CHILOSCYLLIUM PLAGIOSUM)
Zimmerman DM, Armstrong DL, Curro TG, Dankoff SM, Vires KW, Cook KK, Jaros ND, Papich MG. PHARMACOKINETICS OF FLORFENICOL AFTER A SINGLE INTRAMUSCULAR DOSE IN WHITE-SPOTTED BAMBOO SHARKS (CHILOSCYLLIUM PLAGIOSUM). Journal Of Zoo And Wildlife Medicine 2006, 37: 165-173. PMID: 17312796, DOI: 10.1638/05-065.1.Peer-Reviewed Original ResearchConceptsTarget minimum inhibitory concentrationMinimum inhibitory concentrationPharmacokinetics of florfenicolSingle intramuscular doseCerebrospinal fluid concentrationsInhibitory concentrationSite of administrationCompartmental techniquesBacterial meningitisIntramuscular dosePlasma concentrationsPharmacokinetic analysisCerebrospinal fluidDose of florfenicolFluid concentrationsPilot studySpecific high-pressure liquid chromatographic methodPharmacokineticsHrDoseFlorfenicolMeningitisWhite-spotted bamboo sharksBamboo sharkHigh-pressure liquid chromatographic method
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