2016
Effect of Fluoroquinolones and Macrolides on Eradication and Resistance of Haemophilus influenzae in Chronic Obstructive Pulmonary Disease
Pettigrew MM, Tsuji BT, Gent JF, Kong Y, Holden PN, Sethi S, Murphy TF. Effect of Fluoroquinolones and Macrolides on Eradication and Resistance of Haemophilus influenzae in Chronic Obstructive Pulmonary Disease. Antimicrobial Agents And Chemotherapy 2016, 60: 4151-4158. PMID: 27139476, PMCID: PMC4914697, DOI: 10.1128/aac.00301-16.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseObstructive pulmonary diseaseH. influenzae isolatesH. influenzaePulmonary diseaseFluoroquinolone administrationInfluenzae isolatesDevelopment of resistanceHaemophilus influenzaeEradication of carriageEffects of macrolidesQuinolone resistance-determining regionsMICs of antibioticsEffects of fluoroquinolonesResistance-determining regionMacrolide administrationCOPD patientsEffects of antibioticsAzithromycin MICsAntibiotic useSusceptibility breakpointsAntibiotic susceptibilityMacrolide susceptibilityInfluenzaeAdministration
2015
Epidemiological Markers for Interactions Among Streptococcus pneumoniae, Haemophilus influenzae, and Staphylococcus aureus in Upper Respiratory Tract Carriage
Lewnard JA, Givon-Lavi N, Huppert A, Pettigrew MM, Regev-Yochay G, Dagan R, Weinberger DM. Epidemiological Markers for Interactions Among Streptococcus pneumoniae, Haemophilus influenzae, and Staphylococcus aureus in Upper Respiratory Tract Carriage. The Journal Of Infectious Diseases 2015, 213: 1596-1605. PMID: 26704617, PMCID: PMC4837906, DOI: 10.1093/infdis/jiv761.Peer-Reviewed Original ResearchMeSH KeywordsCarrier StateChild, PreschoolFemaleHaemophilus InfectionsHaemophilus influenzaeHeptavalent Pneumococcal Conjugate VaccineHumansInfantIsraelLongitudinal StudiesMalePneumococcal InfectionsRespiratory Tract InfectionsRisk FactorsStaphylococcal InfectionsStaphylococcus aureusStreptococcus pneumoniaeVaccines, ConjugateConceptsPneumococcal serotype replacementH. influenzaeSerotype replacementS. pneumoniaeHaemophilus influenzaeStreptococcus pneumoniaePneumococcal conjugate vaccine trialUpper respiratory tract carriagePneumococcal vaccine introductionS. aureus carriageMonths of ageStaphylococcus aureusPCV7 recipientsAureus carriageVaccine introductionVaccine trialsCarriage patternsConfounding factorsClinical interventionsInfluenzaeEpidemiological markersBedouin childrenPneumoniaeCarriageS. aureusExpression of IgA Proteases by Haemophilus influenzae in the Respiratory Tract of Adults With Chronic Obstructive Pulmonary Disease
Murphy TF, Kirkham C, Jones MM, Sethi S, Kong Y, Pettigrew MM. Expression of IgA Proteases by Haemophilus influenzae in the Respiratory Tract of Adults With Chronic Obstructive Pulmonary Disease. The Journal Of Infectious Diseases 2015, 212: 1798-1805. PMID: 25995193, PMCID: PMC4633762, DOI: 10.1093/infdis/jiv299.Peer-Reviewed Original ResearchConceptsChronic obstructive pulmonary diseaseObstructive pulmonary diseaseH. influenzaeIgA protease genePulmonary diseaseHuman airwaysHaemophilus influenzaeIgA proteaseH. influenzae infectionsHuman respiratory epithelial cellsHuman IgA1Respiratory epithelial cellsInfluenzae infectionRespiratory tractIgA protease activitySputum samplesClinical settingInfluenzaeEpithelial cellsInfectionAirwayIgA1 fragmentsDiseaseIgA1Protease gene
2012
Bacterial and viral interactions within the nasopharynx contribute to the risk of acute otitis media
Ruohola A, Pettigrew MM, Lindholm L, Jalava J, Räisänen KS, Vainionpää R, Waris M, Tähtinen PA, Laine MK, Lahti E, Ruuskanen O, Huovinen P. Bacterial and viral interactions within the nasopharynx contribute to the risk of acute otitis media. Journal Of Infection 2012, 66: 247-254. PMID: 23266462, PMCID: PMC3571106, DOI: 10.1016/j.jinf.2012.12.002.Peer-Reviewed Original ResearchConceptsRisk of AOMAcute otitis mediaMiddle ear effusionAOM groupRespiratory virusesAOM pathogensAcute symptomsOtitis mediaEar effusionM. catarrhalisAcute inflammatory signsNasopharyngeal bacterial colonizationRespiratory tract infectionsOtoscopic signsTract infectionsInflammatory signsNasopharyngeal samplesSymptomatic childrenNasopharyngeal bacteriaH. influenzaePneumatic otoscopyS. pneumoniaeViral interactionsBacterial colonizationEffusionUpper Respiratory Tract Microbial Communities, Acute Otitis Media Pathogens, and Antibiotic Use in Healthy and Sick Children
Pettigrew MM, Laufer AS, Gent JF, Kong Y, Fennie KP, Metlay JP. Upper Respiratory Tract Microbial Communities, Acute Otitis Media Pathogens, and Antibiotic Use in Healthy and Sick Children. Applied And Environmental Microbiology 2012, 78: 6262-6270. PMID: 22752171, PMCID: PMC3416608, DOI: 10.1128/aem.01051-12.Peer-Reviewed Original ResearchConceptsAcute otitis mediaAntibiotic useS. pneumoniaeHealthy childrenM. catarrhalisH. influenzaeAcute otitis media pathogensConcurrent acute otitis mediaUpper respiratory tract infectionRespiratory tract infectionsOtitis media pathogensUpper respiratory tractCross-sectional studyYears of ageAOM pathogensTract infectionsOtitis mediaMoraxella catarrhalisRespiratory tractReal-time PCRNasal swabsSick childrenPrevention strategiesHaemophilus influenzaeStreptococcus pneumoniae
2008
Microbial Interactions during Upper Respiratory Tract Infections - Volume 14, Number 10—October 2008 - Emerging Infectious Diseases journal - CDC
Pettigrew MM, Gent JF, Revai K, Patel JA, Chonmaitree T. Microbial Interactions during Upper Respiratory Tract Infections - Volume 14, Number 10—October 2008 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2008, 14: 1584-1591. PMID: 18826823, PMCID: PMC2609881, DOI: 10.3201/eid1410.080119.Peer-Reviewed Original ResearchMeSH KeywordsChild, PreschoolCohort StudiesFemaleHaemophilus InfectionsHaemophilus influenzaeHumansInfantMaleMoraxella catarrhalisMoraxellaceae InfectionsNasopharynxOtitis MediaProspective StudiesRespiratory Tract InfectionsStaphylococcal InfectionsStaphylococcus aureusStreptococcus pneumoniaeSuperinfectionConceptsUpper respiratory tract infectionH. influenzaeInfectious Diseases journal - CDCRespiratory tract infectionsS. pneumoniae colonizationHealthy children 6Months of ageS. aureusProspective cohortTract infectionsPneumoniae colonizationVaccination strategiesAntimicrobial therapyMoraxella catarrhalisChildren 6M. catarrhalisS. pneumoniaeHaemophilus influenzaeStreptococcus pneumoniaeBacterial infectionsSpecific bacterial speciesInfluenzaeLikelihood of colonizationCatarrhalisStaphylococcus aureus
2006
Predictors for Haemophilus influenzae Colonization, Antibiotic Resistance and for Sharing an Identical Isolate Among Children Attending 16 Licensed Day-Care Centers in Michigan
Barbosa-Cesnik C, Farjo RS, Patel M, Gilsdorf J, McCoy SI, Pettigrew MM, Marrs C, Foxman B. Predictors for Haemophilus influenzae Colonization, Antibiotic Resistance and for Sharing an Identical Isolate Among Children Attending 16 Licensed Day-Care Centers in Michigan. The Pediatric Infectious Disease Journal 2006, 25: 219-223. PMID: 16511383, DOI: 10.1097/01.inf.0000202130.78540.28.Peer-Reviewed Original ResearchConceptsDay care centersH. influenzae colonizationNontypable H. influenzaeH. influenzaeOtitis mediaColonized childrenAntibiotic resistanceLicensed day care centersSame day care centerHaemophilus influenzae colonizationModifiable risk factorsRisk factor questionnaireH. influenzae isolatesNontypable Haemophilus influenzaeDay care center directorsIdentical isolatesInfluenzae isolatesPacifier useThroat swabsHygiene habitsRisk factorsTobacco smokeImportant causeHaemophilus influenzaeOverall colonization rate
2004
Prevalence of the hifBC, hmw1A, hmw2A, hmwC, and hia Genes in Haemophilus influenzae Isolates
Ecevit IZ, McCrea KW, Pettigrew MM, Sen A, Marrs CF, Gilsdorf JR. Prevalence of the hifBC, hmw1A, hmw2A, hmwC, and hia Genes in Haemophilus influenzae Isolates. Journal Of Clinical Microbiology 2004, 42: 3065-3072. PMID: 15243061, PMCID: PMC446296, DOI: 10.1128/jcm.42.7.3065-3072.2004.Peer-Reviewed Original ResearchConceptsAcute otitis mediaOtitis mediaH. influenzaeHia geneHaemophilus influenzaeMiddle earRespiratory tract sitesH. influenzae infectionsAdhesin genesClinical H. influenzaeThroat isolatesInfluenzae infectionNTHi isolatesNasopharyngeal colonizationNTHi strainsType b strainsClinical isolatesPrevalenceInfluenzaeB strainsEpithelial cellsHMW adhesinsType BVirulence factorsHibDiversity and sharing of Haemophilus influenzae strains colonizing healthy children attending day-care centers
FARJO RS, FOXMAN B, PATEL MJ, ZHANG L, PETTIGREW MM, MCCOY SI, MARRS CF, GILSDORF JR. Diversity and sharing of Haemophilus influenzae strains colonizing healthy children attending day-care centers. The Pediatric Infectious Disease Journal 2004, 23: 41-46. PMID: 14743045, DOI: 10.1097/01.inf.0000106981.89572.d1.Peer-Reviewed Original ResearchMeSH KeywordsCarrier StateChild Day Care CentersChild, PreschoolCohort StudiesColony Count, MicrobialDNA, BacterialElectrophoresis, Gel, Pulsed-FieldFemaleGenotypeHaemophilus InfectionsHaemophilus influenzaeHumansIncidenceMaleMass ScreeningMichiganOtitis MediaPolymerase Chain ReactionReference ValuesRisk AssessmentSerotypingConceptsDay care centersH. influenzaeHealthy childrenH. influenzae organismsAcute otitis mediaH. influenzae colonizationH. influenzae strainsUnique strainsEnterobacterial repetitive intergenic consensus PCRThroat culturesOtitis mediaInitial screening techniqueNasopharyngeal colonizationPrevalence ratesColonizing strainsHaemophilus influenzaeHeterogeneity of strainInfluenzaeConsensus PCRRate of colonizationChildrenField gel electrophoresisSame strainPathogenic microorganismsEvidence of sharing
2002
Identification of the Lipooligosaccharide Biosynthesis Gene lic2B as a Putative Virulence Factor in Strains of Nontypeable Haemophilus influenzae That Cause Otitis Media
Pettigrew M, Foxman B, Marrs C, Gilsdorf J. Identification of the Lipooligosaccharide Biosynthesis Gene lic2B as a Putative Virulence Factor in Strains of Nontypeable Haemophilus influenzae That Cause Otitis Media. Infection And Immunity 2002, 70: 3551-3556. PMID: 12065495, PMCID: PMC128108, DOI: 10.1128/iai.70.7.3551-3556.2002.Peer-Reviewed Original ResearchConceptsMiddle ear isolatesNT H. influenzaeOtitis mediaH. influenzaeEar isolatesThroat isolatesHaemophilus influenzaeMiddle earAcute otitis mediaDay careNontypeable Haemophilus influenzaeVirulence factorsSpecific virulence factorsType B isolatesOM pathogenesisPutative virulence factorsH. influenzae geneImportant causeClinical isolatesPathogenic processesInfluenzaeB isolatesAcid levelsAmino acid levelsNontypeableUse of Pulsed-Field Gel Electrophoresis, Enterobacterial Repetitive Intergenic Consensus Typing, and Automated Ribotyping To Assess Genomic Variability among Strains of Nontypeable Haemophilus influenzae
Pettigrew M, Foxman B, Ecevit Z, Marrs C, Gilsdorf J. Use of Pulsed-Field Gel Electrophoresis, Enterobacterial Repetitive Intergenic Consensus Typing, and Automated Ribotyping To Assess Genomic Variability among Strains of Nontypeable Haemophilus influenzae. Journal Of Clinical Microbiology 2002, 40: 660-662. PMID: 11825990, PMCID: PMC153392, DOI: 10.1128/jcm.40.2.660-662.2002.Peer-Reviewed Original Research