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
2013
Universal Glove and Gown Use and Acquisition of Antibiotic-Resistant Bacteria in the ICU: A Randomized Trial
Harris AD, Pineles L, Belton B, Johnson JK, Shardell M, Loeb M, Newhouse R, Dembry L, Braun B, Perencevich EN, Hall KK, Morgan DJ, Shahryar S, Price C, Gadbaw J, Drees M, Kett D, Muñoz-Price L, Jacob J, Herwaldt L, Sulis C, Yokoe D, Maragakis L, Lissauer M, Zervos M, Warren D, Carver R, Anderson D, Calfee D, Bowling J, Safdar N. Universal Glove and Gown Use and Acquisition of Antibiotic-Resistant Bacteria in the ICU: A Randomized Trial. JAMA 2013, 310: 1571-1580. PMID: 24097234, PMCID: PMC4026208, DOI: 10.1001/jama.2013.277815.Peer-Reviewed Original ResearchMeSH KeywordsAgedCross InfectionEnterococcusFemaleGloves, ProtectiveGram-Positive Bacterial InfectionsGuideline AdherenceHand DisinfectionHumansInfection ControlIntensive Care UnitsMaleMethicillin-Resistant Staphylococcus aureusMiddle AgedPersonnel, HospitalStaphylococcal InfectionsSurgical AttireVancomycin ResistanceConceptsIntensive care unitMethicillin-resistant Staphylococcus aureusVancomycin-resistant EnterococcusIntervention ICUsSurgical intensive care unitPrimary outcomeHand hygiene complianceSecondary outcomesAdverse eventsPatient contactUniversal gloveVRE acquisitionUsual careMRSA acquisitionGown useHygiene complianceAcquisition of MRSAAntibiotic-resistant bacteriaControl intensive care unitHealth care-associated infectionsStudy periodKey secondary outcomesBaseline periodCare-associated infectionsHealth care workers
2008
Matched Case-Control Analysis of Polymicrobial Bloodstream Infection In A Neonatal Intensive Care Unit
Bizzarro MJ, Dembry LM, Baltimore RS, Gallagher PG. Matched Case-Control Analysis of Polymicrobial Bloodstream Infection In A Neonatal Intensive Care Unit. Infection Control And Hospital Epidemiology 2008, 29: 914-920. PMID: 18808341, DOI: 10.1086/591323.Peer-Reviewed Original ResearchMeSH KeywordsBacteremiaCase-Control StudiesFemaleFungemiaFungiGram-Negative BacteriaGram-Negative Bacterial InfectionsGram-Positive BacteriaGram-Positive Bacterial InfectionsHumansIncidenceInfant, Low Birth WeightInfant, NewbornInfant, PrematureInfant, Premature, DiseasesInfant, Very Low Birth WeightIntensive Care Units, NeonatalMaleRisk FactorsConceptsPolymicrobial bloodstream infectionsMonomicrobial bloodstream infectionSevere underlying conditionsBloodstream infectionsOnset of infectionUnderlying conditionRisk factorsMultivariate analysisIndwelling central venous catheterIntensive care unit patientsNeonatal intensive care unitMatched Case-Control AnalysisIndependent risk factorNewborn intensive care unit (NICU) patientsCare unit patientsCentral venous cathetersIntensive care unitNeonatal bloodstream infectionsMost risk factorsCase-control studyCase-control analysisCoagulase-negative staphylococciHospital NICUUnit patientsVenous catheters
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 & Neonatal 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 weight
2000
Molecular Typing Demonstrating Transmission of Gram-Negative Rods in a Neonatal Intensive Care Unit in the Absence of a Recognized Epidemic
Almuneef M, Baltimore R, Farrel P, Reagan-Cirincione P, Dembry L. Molecular Typing Demonstrating Transmission of Gram-Negative Rods in a Neonatal Intensive Care Unit in the Absence of a Recognized Epidemic. Clinical Infectious Diseases 2000, 32: 220-227. PMID: 11170911, DOI: 10.1086/318477.Peer-Reviewed Original ResearchMeSH KeywordsAnti-Bacterial AgentsBacterial Typing TechniquesCross InfectionDNA, BacterialDrug Resistance, MicrobialElectrophoresisFecesFemaleGenotypeGentamicinsGram-Negative Aerobic Rods and CocciGram-Negative Bacterial InfectionsHumansInfantInfant, NewbornIntensive Care Units, NeonatalMaleMicrobial Sensitivity TestsConceptsNeonatal intensive care unitIntensive care unitShared strainsCare unitMolecular typing techniquesRectal swab culturesColonization of infantsGentamicin-resistant strainsWeeks of ageTyping techniquesAntibiotic treatmentAntibiotic useSwab culturesGram-negative rodsGentamicin susceptibilityInfantsTotal daysOutbreak investigationIdentical strainsNegative rodsUnique strainsHigh rateContour-clamped homogeneous electric field electrophoresisAdmissionGentamicin
1998
Nosocomial Candida glabrata Colonization: an Epidemiologic Study
Vazquez J, Dembry L, Sanchez V, Vazquez M, Sobel J, Dmuchowski C, Zervos M. Nosocomial Candida glabrata Colonization: an Epidemiologic Study. Journal Of Clinical Microbiology 1998, 36: 421-426. PMID: 9466752, PMCID: PMC104553, DOI: 10.1128/jcm.36.2.421-426.1998.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBone Marrow TransplantationCandidaCandidiasisChildChild, PreschoolCross InfectionDNA, FungalEnvironmental MicrobiologyFemaleHandHealth PersonnelHospitalizationHospitals, UniversityHumansIntensive Care UnitsMaleMiddle AgedMolecular EpidemiologyPolymorphism, Restriction Fragment LengthProspective StudiesRisk FactorsConceptsNosocomial acquisitionC. glabrataMedical intensive care unitBone marrow transplant unitPrior antimicrobial useDuration of hospitalizationIntensive care unitMarrow transplant unitSignificant risk factorsImportant nosocomial pathogenStrain typesSame strain typeCare unitTransplant unitUniversity HospitalRisk factorsEpidemiologic studiesPatientsC. glabrata strainsEnvironmental surfacesHospital personnelNosocomial pathogenAntimicrobial useIdentical strainsHospital environment
1993
Nosocomial Acquisition of Candida albicans: An Epidemiologic Study
Vazquez J, Sanchez V, Dmuchowski C, Dembry L, Sobel J, Zervos M. Nosocomial Acquisition of Candida albicans: An Epidemiologic Study. The Journal Of Infectious Diseases 1993, 168: 195-201. PMID: 8515108, DOI: 10.1093/infdis/168.1.195.Peer-Reviewed Original ResearchConceptsNosocomial acquisitionMedical intensive care unitBone marrow transplant unitIntensive care unitMarrow transplant unitIndirect patient contactC. albicansPrior antibioticsCare unitProspective studyTransplant unitUniversity HospitalRisk factorsEpidemiologic studiesPatient contactPatientsEnvironmental surfacesHospital personnelCandida albicansIdentical strainsStrain typesAdmissionLength of timeRestriction enzyme analysisAlbicansNosocomial acquisition of Candida parapsilosis: An epidemiologic study
Sanchez V, Vazquez J, Barth-Jones D, Dembry L, Sobel J, Zervos M. Nosocomial acquisition of Candida parapsilosis: An epidemiologic study. The American Journal Of Medicine 1993, 94: 577-582. PMID: 8389525, DOI: 10.1016/0002-9343(93)90207-6.Peer-Reviewed Original ResearchConceptsIntensive care unitC. parapsilosisMedicine intensive care unitBone marrow transplant unitNegative initial culturesTertiary care hospitalMarrow transplant unitLittle epidemiologic informationHands of personnelImportant nosocomial pathogenStrain typesRestriction enzyme analysisCandida parapsilosisEnvironmental surfacesImmunosuppressive therapyNosocomial acquisitionAntibiotic therapyCare hospitalCare unitTransplant unitControl subjectsHand culturesNosocomial infectionsPatient strainsEpidemiologic information
1992
Epidemiology of nosocomial acquisition of Candida lusitaniae
Sanchez V, Vazquez J, Barth-Jones D, Dembry L, Sobel J, Zervos M. Epidemiology of nosocomial acquisition of Candida lusitaniae. Journal Of Clinical Microbiology 1992, 30: 3005-3008. PMID: 1360476, PMCID: PMC270571, DOI: 10.1128/jcm.30.11.3005-3008.1992.Peer-Reviewed Original ResearchConceptsAmphotericin B.Medical intensive care unitC. lusitaniaeTertiary care hospitalIntensive care unitBone marrow transplantIndirect contact transmissionCandida lusitaniaeImportant nosocomial pathogenDuration of stayCatheter useImmunosuppressive therapyNosocomial acquisitionControl patientsAntibiotic administrationCare unitMarrow transplantAntifungal therapyExogenous acquisitionPatientsContact transmissionNosocomial pathogenIdentical strainsCandida speciesStrain types