2023
First nosocomial infections in children supported by veno-arterial extracorporeal membrane oxygenation (VA-ECMO)
Cousin V, Rodriguez-Vigouroux R, Karam O, Rimensberger P, Posfay-Barbe K. First nosocomial infections in children supported by veno-arterial extracorporeal membrane oxygenation (VA-ECMO). BMC Pediatrics 2023, 23: 89. PMID: 36823601, PMCID: PMC9948414, DOI: 10.1186/s12887-023-03908-3.Peer-Reviewed Original ResearchConceptsVA-ECMO supportPediatric intensive care unitMedian timeClinical signsMedian PICU LOSNosocomial infection occurrenceUrinary tract infectionVentilator-associated pneumoniaExtracorporeal membrane oxygenationIntensive care unitPaucity of dataPICU lengthPICU LOSRefractory shockVA-ECMOTract infectionsMedian ageMembrane oxygenationSternotomy infectionsCare unitRetrospective studySevere infectionsFirst infectionMortality rateInfection occurrenceEpidemiology of anticoagulation for children supported by extracorporeal membrane oxygenation in the United States: A Pediatric Hospital Information System database study
Nellis M, An A, Mahmood H, Prishtina F, Hena Z, Karam O. Epidemiology of anticoagulation for children supported by extracorporeal membrane oxygenation in the United States: A Pediatric Hospital Information System database study. Perfusion 2023, 39: 536-542. PMID: 36606508, DOI: 10.1177/02676591221151027.Peer-Reviewed Original ResearchDirect thrombin inhibitorMembrane oxygenationPediatric Health Information System databaseThrombin inhibitorsHealth Information System databaseDifferent anticoagulant regimensRetrospective cohort studyUse of anticoagulationUse of bivalirudinPercent of encountersOccurrence of thrombosisRisk of thrombosisLarge administrative databaseMajority of childrenEligible encountersCardiac indicationsHeparin anticoagulationAnticoagulation regimensCohort studyMedian ageSystemic anticoagulationAnticoagulant regimensProspective studyPatient populationAdministrative databases
2021
Epidemiology of Bleeding in Critically Ill Children With an Underlying Oncologic Diagnosis
Romano J, Martinez M, Levasseur J, Killinger JS, Karam O, Nellis ME. Epidemiology of Bleeding in Critically Ill Children With an Underlying Oncologic Diagnosis. Critical Care Explorations 2021, 3: e0572. PMID: 34746797, PMCID: PMC8565795, DOI: 10.1097/cce.0000000000000572.Peer-Reviewed Original ResearchSevere bleedingOncologic diagnosisIll childrenEpidemiology of BleedingPICU-free daysSevere bleeding eventsVentilator-free daysIll pediatric patientsMedian platelet countRetrospective cohort studyInternational normalized ratioBlood component therapyVulnerable patient populationComprehensive cancer centerBleeding eventsHemostatic medicationsPICU admissionPercent patientsTransplant statusCohort studyMedian agePediatric patientsExact epidemiologySevere thrombocytopeniaPlatelet countEpidemiology of Bleeding in Critically Ill Children
Sequeira J, Nellis ME, Karam O. Epidemiology of Bleeding in Critically Ill Children. Frontiers In Pediatrics 2021, 9: 699991. PMID: 34422724, PMCID: PMC8371326, DOI: 10.3389/fped.2021.699991.Peer-Reviewed Original ResearchPediatric critical care unitRisk of mortalityCritical care unitsIll childrenCare unitClinical outcomesProspective observational cohort studyEpidemiology of BleedingPICU-free daysPercent of patientsVentilator-free daysDuration of surgeryObservational cohort studyCritically Ill ChildrenWorse clinical outcomesType of surgeryFurther multicenter studiesHigher severityCohort studyCritical illnessPediatric IndexSevere complicationsConsecutive patientsIll patientsMedian ageEpidemiology of the Use of Hemostatic Agents in Children Supported by Extracorporeal Membrane Oxygenation: A Pediatric Health Information System Database Study
Nellis ME, Vasovic LV, Goel R, Karam O. Epidemiology of the Use of Hemostatic Agents in Children Supported by Extracorporeal Membrane Oxygenation: A Pediatric Health Information System Database Study. Frontiers In Pediatrics 2021, 9: 673613. PMID: 34041211, PMCID: PMC8141845, DOI: 10.3389/fped.2021.673613.Peer-Reviewed Original ResearchHemostatic blood productsECMO daysPercent of childrenBlood productsMembrane oxygenationPediatric Health Information System Database StudyPediatric Health Information System databaseHealth Information System databaseUse of TXAHospital mortality rateRetrospective observational studyU.S. children's hospitalsExtracorporeal membrane oxygenationMedian ageChildren's HospitalMedian lengthHemostatic measuresInformation System databaseObservational studyECMODatabase studyHigh riskMortality rateHemostatic agentsFactor VIIa
2019
Development of an Antibiotic Guideline for Children With Suspected Ventilator-Associated Infections.
Shein SL, Karam O, Beardsley A, Karsies T, Prentice E, Tarquinio KM, Willson DF. Development of an Antibiotic Guideline for Children With Suspected Ventilator-Associated Infections. Pediatric Critical Care Medicine 2019, 20: 697-706. PMID: 30985606, DOI: 10.1097/pcc.0000000000001942.Peer-Reviewed Original ResearchConceptsVentilator-associated infectionPhase 1 dataAntibiotic guidelinesGuideline scoreAntibiotic usePediatric Logistic Organ Dysfunction-2 scoreDuration of antibioticsPICU-free daysVentilator-Associated InfectionsVentilator-free daysInitiation of antibioticsProspective data collectionPhase 3Median ageMechanical ventilationVentilated childrenScore 3Consensus conferenceClinical testingScoring systemInfectionLiterature searchExpert panelAntibioticsScores
2018
Prognostic Evaluation of Mortality after Pediatric Resuscitation Assisted by Extracorporeal Life Support
De Mul A, Nguyen DA, Doell C, Perez MH, Cannizzaro V, Karam O. Prognostic Evaluation of Mortality after Pediatric Resuscitation Assisted by Extracorporeal Life Support. Journal Of Pediatric Intensive Care 2018, 08: 057-063. PMID: 31093456, PMCID: PMC6517051, DOI: 10.1055/s-0038-1667012.Peer-Reviewed Original ResearchExtracorporeal life supportECLS initiationCPR durationClinical outcomesCardiopulmonary resuscitationPediatric intensive care unitLife supportReceiver-operating characteristic curveIntensive care unitPositive predictive valueActive resuscitationMedian agePrognostic factorsCare unitCardiac patientsPrognostic evaluationRetrospective analysisMortality ratePredictive valueSurvival ratePatientsStudy settingMortalityECPRCharacteristic curveEffects of plasma transfusions on antithrombin levels after paediatric liver transplantation
Arni D, Wildhaber BE, McLin V, Rimensberger PC, Ansari M, Fontana P, Karam O. Effects of plasma transfusions on antithrombin levels after paediatric liver transplantation. Vox Sanguinis 2018, 113: 569-576. PMID: 29761839, DOI: 10.1111/vox.12664.Peer-Reviewed Original ResearchLiver transplantationPediatric liver transplantationPlasma transfusionAT levelsProspective single-center observational studySingle-center observational studyPediatric LT patientsProphylactic plasma transfusionPro-thrombotic profileLife-threatening complicationsPediatric LT recipientsOptimal anticoagulation strategyPro-coagulant factorsNon-inferiority hypothesisLT patientsAnticoagulation strategiesLT recipientsAntithrombin levelsThrombotic complicationsMedian agePatient weightObservational studyRoutine managementTransfusionBlood samples
2017
Outcomes Related to the Use of Frozen Plasma or Pooled Solvent/Detergent-Treated Plasma in Critically Ill Children*
Camazine MN, Karam O, Colvin R, Leteurtre S, Demaret P, Tucci M, Muszynski JA, Stanworth S, Spinella PC. Outcomes Related to the Use of Frozen Plasma or Pooled Solvent/Detergent-Treated Plasma in Critically Ill Children*. Pediatric Critical Care Medicine 2017, 18: e215-e223. PMID: 28350560, DOI: 10.1097/pcc.0000000000001149.Peer-Reviewed Original ResearchConceptsSolvent detergent plasmaPlasma 24 hoursICU mortalityIll childrenPlasma transfusionStudy groupHours groupPretransfusion international normalized ratioSolvent/detergent-treated plasmaCritically Ill ChildrenInternational normalized ratioHypothesis-generating dataMultivariable logistic regressionIllness scoresImproved survivalMedian ageAdjusted analysisNormalized ratioPrimary indicationIndependent associationFrozen plasmaObservational studyPlasma useLactate valuesPatientsRapid detection and ruling out of neonatal sepsis by PCR coupled with Electrospray Ionization Mass Spectrometry (PCR/ESI-MS)
Delcò C, Karam O, Pfister R, Gervaix A, Renzi G, Emonet S, Schrenzel J, Posfay-Barbe KM. Rapid detection and ruling out of neonatal sepsis by PCR coupled with Electrospray Ionization Mass Spectrometry (PCR/ESI-MS). Early Human Development 2017, 108: 17-22. PMID: 28343091, DOI: 10.1016/j.earlhumdev.2017.03.004.Peer-Reviewed Original ResearchConceptsNegative predictive valuePCR/ESI-MSBlood culturesPredictive valueNeonatal sepsisGood negative predictive valueProspective observational studyBlood culture resultsInitiation of antibioticsPositive blood culturesConventional blood culturePositive predictive valueEmpiric antibioticsConsecutive neonatesAdverse eventsClinical suspicionMedian ageNeonatal populationObservational studySepsisBlood samplesEarly reassessmentImportant causeCulture resultsBacterial infections