2015
Clinical and Molecular Epidemiology of Methicillin-Resistant Staphylococcus aureus in a Neonatal Intensive Care Unit in the Decade following Implementation of an Active Detection and Isolation Program
Nelson MU, Bizzarro MJ, Baltimore RS, Dembry LM, Gallagher PG. Clinical and Molecular Epidemiology of Methicillin-Resistant Staphylococcus aureus in a Neonatal Intensive Care Unit in the Decade following Implementation of an Active Detection and Isolation Program. Journal Of Clinical Microbiology 2015, 53: 2492-2501. PMID: 26019206, PMCID: PMC4508396, DOI: 10.1128/jcm.00470-15.Peer-Reviewed Original ResearchMeSH KeywordsDNA, BacterialEpidemiological MonitoringFemaleGenetic VariationGenotypeGenotyping TechniquesHumansInfantInfant, NewbornIntensive Care Units, NeonatalMaleMethicillin-Resistant Staphylococcus aureusMolecular EpidemiologyMolecular TypingRetrospective StudiesStaphylococcal InfectionsVirulence FactorsConceptsNeonatal intensive care unitMethicillin-resistant Staphylococcus aureusIntensive care unitMRSA colonizationMolecular epidemiologyCare unitStaphylococcal cassette chromosome mec type IIAccessory gene regulator (agr) groupsMRSA colonization rateToxic shock syndrome toxinAgr group 1Exfoliative toxin AStaphylococcus aureusPotential virulence factor genesVirulence factor genesMRSA infectionSignificant morbidityClinical differencesPatient daysPulsed-field gel electrophoresisToxin AUSA300 strainGroup 1Continued vigilanceInfectionNeonatal Sepsis 2004-2013: The Rise and Fall of Coagulase-Negative Staphylococci
Bizzarro MJ, Shabanova V, Baltimore RS, Dembry LM, Ehrenkranz RA, Gallagher PG. Neonatal Sepsis 2004-2013: The Rise and Fall of Coagulase-Negative Staphylococci. The Journal Of Pediatrics 2015, 166: 1193-1199. PMID: 25919728, PMCID: PMC4413005, DOI: 10.1016/j.jpeds.2015.02.009.Peer-Reviewed Original ResearchConceptsEarly-onset sepsisLate-onset sepsisNeonatal intensive care unitCoagulase-negative staphylococciIntensive care unitCare unitLevel IV neonatal intensive care unitEpisodes of sepsisLow birth weightInfection prevention initiativesInfection prevention effortsPercent of casesGroup B streptococciHospital courseSepsis episodesMost infantsBirth weightCommon organismB streptococciSepsisOutcome dataAdditional surveillancePrevention effortsStudy periodInfants
2014
One size does not fit all: why universal decolonization strategies to prevent methicillin-resistant Staphylococcus aureus colonization and infection in adult intensive care units may be inappropriate for neonatal intensive care units
Nelson MU, Bizzarro MJ, Dembry LM, Baltimore RS, Gallagher PG. One size does not fit all: why universal decolonization strategies to prevent methicillin-resistant Staphylococcus aureus colonization and infection in adult intensive care units may be inappropriate for neonatal intensive care units. Journal Of Perinatology 2014, 34: 653-655. PMID: 25010223, PMCID: PMC4152419, DOI: 10.1038/jp.2014.125.Peer-Reviewed Original ResearchConceptsNeonatal intensive care unitIntensive care unitAdult intensive care unitsCare unitUniversal decolonizationMethicillin-resistant Staphylococcus aureus (MRSA) colonizationMRSA-positive clinical cultureUnique patient populationLarge multicenter trialsStaphylococcus aureus colonizationLong-term safetyMupirocin applicationAdverse eventsPreterm infantsLarge multicenterMulticenter trialPatient populationAureus colonizationDecolonization strategiesClinical culturesDisease controlHealthcare ResearchTrialsTrial methodsWidespread implementation
2012
Methicillin-Resistant Staphylococcus aureus in the Neonatal Intensive Care Unit
Nelson MU, Gallagher PG. Methicillin-Resistant Staphylococcus aureus in the Neonatal Intensive Care Unit. Seminars In Perinatology 2012, 36: 424-430. PMID: 23177801, PMCID: PMC3508470, DOI: 10.1053/j.semperi.2012.06.004.Peer-Reviewed Original ResearchMeSH KeywordsAnti-Bacterial AgentsBacterial Physiological PhenomenaClinical ProtocolsCommunity-Acquired InfectionsCost of IllnessCross InfectionHumansInfant, NewbornInfant, PrematureInfant, Premature, DiseasesInfection ControlIntensive Care Units, NeonatalMethicillin-Resistant Staphylococcus aureusPrevalenceRisk FactorsStaphylococcal InfectionsConceptsNeonatal intensive care unitMethicillin-resistant Staphylococcus aureusIntensive care unitCare unitCharacteristics of MRSAStaphylococcus aureusCertain infantsMRSA infectionNICU populationIll infantsRisk factorsEpidemiologic assessmentClinical interventionsInfectionFrequent sourceInfantsTransmission patternsInterventionAureusMolecular analysisAdditional factorsMorbidityNeonatesNumerous strategiesPrevention
2011
Partial Exchange Transfusion for Polycythemia Hyperviscosity Syndrome
Hopewell B, Steiner L, Ehrenkranz R, Bizzarro M, Gallagher P. Partial Exchange Transfusion for Polycythemia Hyperviscosity Syndrome. American Journal Of Perinatology 2011, 28: 557-564. PMID: 21365533, DOI: 10.1055/s-0031-1274504.Peer-Reviewed Original ResearchConceptsPartial exchange transfusionPercent of patientsRisk factorsMaternal diabetesExchange transfusionSignificant complicationsHyperviscosity syndromeNeonatal intensive care unitYale-New Haven HospitalLife-threatening complicationsLong-term followIntensive care unitNeonatal medical recordsPatient demographicsRetrospective reviewCare unitMedical recordsRisk populationsComplicationsPatientsStudy periodSignificant decreaseTransfusionDiabetesSyndrome
2007
Case-control analysis of endemic Serratia marcescens bacteremia in a neonatal intensive care unit
Bizzarro MJ, Dembry LM, Baltimore RS, Gallagher PG. Case-control analysis of endemic Serratia marcescens bacteremia in a neonatal intensive care unit. Archives Of Disease In Childhood - Fetal And Neonatal Edition 2007, 92: f120. PMID: 17088342, PMCID: PMC2675455, DOI: 10.1136/adc.2006.102855.Peer-Reviewed Original ResearchMeSH KeywordsBacteremiaBirth WeightCase-Control StudiesConnecticutCross InfectionDrug Resistance, BacterialEndemic DiseasesEscherichia coliEscherichia coli InfectionsFemaleHumansInfant, NewbornIntensive Care Units, NeonatalMaleMicrobial Sensitivity TestsPrognosisRisk FactorsSerratia InfectionsSerratia marcescensConceptsNeonatal intensive care unitIntensive care unitCare unitUninfected controlsHospital Neonatal Intensive Care UnitSerratia marcescens bacteremiaMedian gestational ageCentral vascular catheterEscherichia coli bacteremiaRecords of infantsCase-control studyHigher overall mortalityE coliOnset of infectionCase-control analysisTime of infectionHigh rateAssociated meningitisHospital courseColi bacteremiaOverall mortalityGestational agePremature infantsVascular cathetersBirth weightAntibiotic-Resistant Organisms in the Neonatal Intensive Care Unit
Bizzarro MJ, Gallagher PG. Antibiotic-Resistant Organisms in the Neonatal Intensive Care Unit. Seminars In Perinatology 2007, 31: 26-32. PMID: 17317424, DOI: 10.1053/j.semperi.2007.01.004.Peer-Reviewed Original ResearchConceptsNeonatal intensive care unitIntensive care unitCare unitMultidrug-resistant Gram-negative rodsStandard antimicrobial therapyMethicillin-resistant Staphylococcus aureusProper hand hygieneVancomycin-resistant EnterococcusAntibiotic-resistant organismsEmpiric treatmentProlonged courseUse of antimicrobialsAntimicrobial therapyAntibiotic exposureHand hygieneDecolonization strategiesGram-negative rodsResistant organismsBacterial infectionsStaphylococcus aureusBacterial acquisitionPotential reservoirsAntimicrobialsCohortingNeonates