2020
Synergistic effects of Cinnamomum cassia L. essential oil in combination with polymyxin B against carbapenemase-producing Klebsiella pneumoniae and Serratia marcescens
Vasconcelos N, de Sá Queiroz J, da Silva K, de Paula Vasconcelos P, Croda J, Simionatto S. Synergistic effects of Cinnamomum cassia L. essential oil in combination with polymyxin B against carbapenemase-producing Klebsiella pneumoniae and Serratia marcescens. PLOS ONE 2020, 15: e0236505. PMID: 32701970, PMCID: PMC7377461, DOI: 10.1371/journal.pone.0236505.Peer-Reviewed Original ResearchMeSH KeywordsAnti-Bacterial AgentsBacterial ProteinsBeta-LactamasesCinnamomum aromaticumDrug Resistance, Multiple, BacterialDrug SynergismHumansKlebsiella InfectionsKlebsiella pneumoniaeOils, VolatilePolymyxin BSerratia InfectionsSerratia marcescensSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationAntibacterial activity of Cinnamomum cassia L. essential oil in a carbapenem- and polymyxin-resistant Klebsiella aerogenes strain
Vasconcelos N, Silva K, Croda J, Simionatto S. Antibacterial activity of Cinnamomum cassia L. essential oil in a carbapenem- and polymyxin-resistant Klebsiella aerogenes strain. Revista Da Sociedade Brasileira De Medicina Tropical 2020, 53: e20200032. PMID: 33027413, PMCID: PMC7534965, DOI: 10.1590/0037-8682-0032-2020.Peer-Reviewed Original ResearchConceptsHigh antibiotic resistanceMultidrug resistance profilesTime-kill methodsBla OXA-1Multidrug-resistant bacteriaMinimum inhibitory concentrationBla TEMBla CTXAntibacterial activityInhibitory effectBroth microdilutionInhibitory concentrationAntibiotic resistanceK. aerogenesOXA-1KPC-2CarbapenemsCinnamomum cassia essential oilL. essential oilCassia essential oilEssential oilCTXActivity
2019
Origanum vulgare L. essential oil inhibits the growth of carbapenem-resistant gram-negative bacteria
Vasconcelos N, Croda J, Silva K, Motta M, Maciel W, Limiere L, Simionatto S. Origanum vulgare L. essential oil inhibits the growth of carbapenem-resistant gram-negative bacteria. Revista Da Sociedade Brasileira De Medicina Tropical 2019, 52: e20180502. PMID: 31271619, DOI: 10.1590/0037-8682-0502-2018.Peer-Reviewed Original ResearchConceptsCarbapenem-resistant strainsAlternative therapeutic optionTime-kill assaysMultidrug-resistant bacteriaTherapeutic optionsMinimum inhibitory concentrationAcinetobacter baumanniiCell countCarbapenemase productionKill assaysOriganum vulgare L. essential oilL. essential oilKlebsiella pneumoniaeInhibitory concentrationDrug developmentResistant bacteriaH treatmentSerratia marcescensAntimicrobial effectNegative bacteria
2018
A high mortality rate associated with multidrug-resistant Acinetobacter baumannii ST79 and ST25 carrying OXA-23 in a Brazilian intensive care unit
da Silva K, Maciel W, Croda J, Cayô R, Ramos A, de Sales R, Kurihara M, Vasconcelos N, Gales A, Simionatto S. A high mortality rate associated with multidrug-resistant Acinetobacter baumannii ST79 and ST25 carrying OXA-23 in a Brazilian intensive care unit. PLOS ONE 2018, 13: e0209367. PMID: 30592758, PMCID: PMC6310363, DOI: 10.1371/journal.pone.0209367.Peer-Reviewed Original ResearchMeSH KeywordsAcinetobacter baumanniiAcinetobacter InfectionsAdultAgedAged, 80 and overAnti-Bacterial AgentsBacterial ProteinsBeta-LactamasesBrazilCase-Control StudiesCross InfectionDrug Resistance, Multiple, BacterialFemaleHospital MortalityHumansIntensive Care UnitsMaleMicrobial Sensitivity TestsMiddle AgedConceptsOXA-23-producing A. baumanniiHigh mortality rateA. baumanniiMortality rateRisk factorsHealthcare-related risk factorsBrazilian intensive care unitsIntensive care unit patientsIntensive care unit settingCarbapenem-resistant Acinetobacter baumanniiISAba1 insertion sequenceA. baumannii infectionsCare unit patientsIntensive care unitBlaOXA-51 geneUse of cephalosporinsCase-control studyBaumannii infectionsUnit patientsCare unitNasogastric tubeTherapeutic optionsUnit settingNosocomial infectionsSuch infections
2017
High mortality rate associated with KPC-producing Enterobacter cloacae in a Brazilian hospital
da Silva K, Varella T, dos Santos Bet G, Carvalhaes C, Correa M, Vasconcelos N, Croda J, Gales A, Simionatto S. High mortality rate associated with KPC-producing Enterobacter cloacae in a Brazilian hospital. American Journal Of Infection Control 2017, 46: 108-110. PMID: 28844375, DOI: 10.1016/j.ajic.2017.07.011.Peer-Reviewed Original Research
2016
Risk factors for KPC-producing Klebsiella pneumoniae: watch out for surgery
da Silva K, Maciel W, Sacchi F, Carvalhaes C, Rodrigues-Costa F, da Silva A, Croda M, Negrão F, Croda J, Gales A, Simionatto S. Risk factors for KPC-producing Klebsiella pneumoniae: watch out for surgery. Journal Of Medical Microbiology 2016, 65: 547-553. PMID: 27002853, DOI: 10.1099/jmm.0.000254.Peer-Reviewed Original Research
2015
Coproduction of KPC-2 and IMP-10 in Carbapenem-Resistant Serratia marcescens Isolates from an Outbreak in a Brazilian Teaching Hospital
Silva K, Cayô R, Carvalhaes C, Sacchi F, Rodrigues-Costa F, da Silva A, Croda J, Gales A, Simionatto S. Coproduction of KPC-2 and IMP-10 in Carbapenem-Resistant Serratia marcescens Isolates from an Outbreak in a Brazilian Teaching Hospital. Journal Of Clinical Microbiology 2015, 53: 2324-2328. PMID: 25878341, PMCID: PMC4473237, DOI: 10.1128/jcm.00727-15.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAnti-Bacterial AgentsBeta-Lactam ResistanceBeta-LactamasesBrazilCarbapenemsChild, PreschoolCross InfectionDisease OutbreaksDNA, BacterialFemaleGenes, BacterialHospitals, TeachingHumansInfantIntegronsMaleMicrobial Sensitivity TestsMiddle AgedMinocyclineMolecular Sequence DataPlasmidsSequence Analysis, DNASerratia InfectionsSerratia marcescensTigecycline