2023
Clinical presentation of group B Streptococcus-infected diabetic foot ulcers
Waldman O, Dexter B, Sulovari A, Oh I. Clinical presentation of group B Streptococcus-infected diabetic foot ulcers. Journal Of Wound Care 2023, 32: s19-s25. PMID: 37405964, DOI: 10.12968/jowc.2023.32.sup7.s19.Peer-Reviewed Original ResearchMeSH KeywordsDiabetes MellitusDiabetic FootHemoglobinsHumansRetrospective StudiesStreptococcusWound HealingConceptsDiabetic foot ulcersFoot ulcersBlack patientsRecurrent infectionsElevated hemoglobin A1cIntra-operative culturesHemoglobin A1c levelsInitial laboratory valuesSoft tissue infectionsDFU infectionsDFU patientsInitial surgeryOrthopaedic FootAggressive treatmentClinical characteristicsGBS infectionA1c levelsHemoglobin A1cTissue infectionsClinical outcomesClinical presentationInfected boneAppropriate treatmentGroup BLaboratory valuesTranscriptomic identification of genes expressed in invasive S. aureus diabetic foot ulcer infection
Agidigbi T, Kwon H, Knight J, Zhao D, Lee F, Oh I. Transcriptomic identification of genes expressed in invasive S. aureus diabetic foot ulcer infection. Frontiers In Cellular And Infection Microbiology 2023, 13: 1198115. PMID: 37434783, PMCID: PMC10332306, DOI: 10.3389/fcimb.2023.1198115.Peer-Reviewed Original ResearchConceptsDiabetic foot ulcersPeripheral blood mononuclear cellsHost immune responseActive infectionImmune responseDiabetic foot ulcer infectionsInfected diabetic foot ulcersFoot ulcer infectionsPatients 8 weeksIntravenous antibiotic therapyBlood mononuclear cellsWound healing statusDFU infectionsPBMC expressionSalvage therapyUlcer infectionDifferent time pointsAntibiotic therapyMajor complicationsSurgical treatmentFoot ulcersMononuclear cellsPotential intervention optionsSpecies-specific infectionTreatment response
2021
Comparative study of culture, next‐generation sequencing, and immunoassay for identification of pathogen in diabetic foot ulcer
Lipof JS, Jones CMC, Daiss J, Oh I. Comparative study of culture, next‐generation sequencing, and immunoassay for identification of pathogen in diabetic foot ulcer. Journal Of Orthopaedic Research® 2021, 39: 2638-2645. PMID: 33543785, PMCID: PMC8339135, DOI: 10.1002/jor.25001.Peer-Reviewed Original ResearchConceptsDiabetic foot infectionsMusculoskeletal infectionsNext-generation sequencingS. agalactiaeS. aureusCulture-directed antibioticsDeep musculoskeletal infectionNegative initial culturesProspective observational studyTime of diagnosisDiabetic foot ulcersLimb salvage effortsPeripheral blood samplesYears of ageFoot infectionsSurgical debridementFoot ulcersRecurrent infectionsTreatment successFair correlationIntraoperative samplesObservational studyBlood samplesUseful adjunctOrthopaedic surgeons
2020
Intraoperative Site Vancomycin Powder Application in Infected Diabetic Heel Ulcers With Calcaneal Osteomyelitis
Brodell JD, Kozakiewicz LN, Hoffman SL, Oh I. Intraoperative Site Vancomycin Powder Application in Infected Diabetic Heel Ulcers With Calcaneal Osteomyelitis. Foot & Ankle International 2020, 42: 356-362. PMID: 33185116, DOI: 10.1177/1071100720962480.Peer-Reviewed Original ResearchConceptsDiabetic heel ulcersVancomycin powder applicationTotal calcanectomyVancomycin powderCalcaneal osteomyelitisHeel ulcersClinical outcomesRetrospective case-control studyLimb salvage rateOverall healing rateImproved clinical outcomesCase-control studyLocal tissue irritationMultidrug-resistant bacteriaVancomycin cohortWound complicationsClinical characteristicsOperative complicationsUlcer surgeryDiabetic patientsRevision amputationSalvage rateKnee amputationClinical benefitUnderwent revisionSpecies-Specific Immunoassay Aids Identification of Pathogen and Tracks Infectivity in Foot Infection
Hao SP, Masters EA, Ninomiya MJ, Beck CA, Schwarz EM, Daiss JL, Oh I. Species-Specific Immunoassay Aids Identification of Pathogen and Tracks Infectivity in Foot Infection. Foot & Ankle International 2020, 42: 363-372. PMID: 33161780, PMCID: PMC7946706, DOI: 10.1177/1071100720965136.Peer-Reviewed Original ResearchConceptsFoot infectionsHost immune responseWound healing statusImmune responseHealing statusFoot ulcer patientsProspective comparative studyCulture-positive patientsCulture-negative patientsSpecific serum antibodiesDominant pathogenAnalysis of serumConventional bacterial cultureUlcer patientsMusculoskeletal infectionsSurgical interventionAntibody titersSerum antibodiesTherapeutic responseInfection diagnosisSpecies-specific immunoassaySurgeon's decisionCulture resultsInfectionLevel IIPrediction of post-interventional physical function in diabetic foot ulcer patients using patient reported outcome measurement information system (PROMIS)
Hao SP, Houck JR, Waldman OV, Baumhauer JF, Oh I. Prediction of post-interventional physical function in diabetic foot ulcer patients using patient reported outcome measurement information system (PROMIS). Foot And Ankle Surgery 2020, 27: 224-230. PMID: 32439241, PMCID: PMC7655606, DOI: 10.1016/j.fas.2020.04.009.Peer-Reviewed Original ResearchConceptsPostoperative physical functionDiabetic foot ulcer patientsBaseline physical functionPreoperative PROMIS scoresFoot ulcer patientsDFU patientsPhysical functionUlcer patientsClinical factorsPROMIS scoresSurgical interventionAmputation levelHealing statusPostoperative PROMIS physical functionPatients' physical functionPROMIS Physical FunctionOutcomes Measurement Information SystemPreoperative physical functionRelevant clinical factorsSignificant univariate correlationRank correlation coefficientMeasurement Information SystemChi-squared testWound healing statusDFU populationChopart Amputation: Questioning the Clinical Efficacy of a Long-standing Surgical Option for Diabetic Foot Infection.
Brodell JD, Ayers BC, Baumhauer JF, DiGiovanni BF, Flemister AS, Ketz JP, Oh I. Chopart Amputation: Questioning the Clinical Efficacy of a Long-standing Surgical Option for Diabetic Foot Infection. Journal Of The American Academy Of Orthopaedic Surgeons 2020, 28: 684-691. PMID: 32769724, DOI: 10.5435/jaaos-d-19-00757.Peer-Reviewed Original ResearchConceptsBaseline physical functionPROMIS Physical FunctionDiabetic foot infectionsPostoperative wound complicationsChopart amputationRevision amputationFoot infectionsWound complicationsPhysical functionWound healingOutcomes Measurement Information System (PROMIS) instrumentsPROMIS physical function scoresPhysical function scoresPatient-reported outcomesJudicious patient selectionExtent of infectionPostoperative complicationsTotal patientsCase seriesClinical outcomesKnee amputationPain interferencePatient selectionSurgical optionsTendon transfer
2019
Evidence of differential microbiomes in healing versus non‐healing diabetic foot ulcers prior to and following foot salvage therapy
MacDonald A, Brodell JD, Daiss JL, Schwarz EM, Oh I. Evidence of differential microbiomes in healing versus non‐healing diabetic foot ulcers prior to and following foot salvage therapy. Journal Of Orthopaedic Research® 2019, 37: 1596-1603. PMID: 30908702, PMCID: PMC6659747, DOI: 10.1002/jor.24279.Peer-Reviewed Original ResearchConceptsSalvage therapyQuantitative polymerase chain reactionClinical outcomesClinical toolErythrocyte sedimentation rateFurther surgical interventionC-reactive proteinLower extremity amputationDiabetic foot ulcersEventual clinical outcomeImportant prognostic informationImportant clinical toolDFU patientsFoot salvageFoot ulcersDiabetic footExtremity amputationSurgical interventionPatient counselingAntibiotic treatmentPolymerase chain reactionPrognostic informationClinical signsMicrobiome analysisClinical significance
2018
Tracking Anti-Staphylococcus aureus Antibodies Produced In Vivo and Ex Vivo during Foot Salvage Therapy for Diabetic Foot Infections Reveals Prognostic Insights and Evidence of Diversified Humoral Immunity
Oh I, Muthukrishnan G, Ninomiya MJ, Brodell JD, Smith BL, Lee CC, Gill SR, Beck CA, Schwarz EM, Daiss JL. Tracking Anti-Staphylococcus aureus Antibodies Produced In Vivo and Ex Vivo during Foot Salvage Therapy for Diabetic Foot Infections Reveals Prognostic Insights and Evidence of Diversified Humoral Immunity. Infection And Immunity 2018, 86: 10.1128/iai.00629-18. PMID: 30275008, PMCID: PMC6246899, DOI: 10.1128/iai.00629-18.Peer-Reviewed Original ResearchConceptsDiabetic foot infectionsIgG levelsDFI patientsSalvage therapyFoot infectionsCultured peripheral blood mononuclear cellsPeripheral blood mononuclear cellsBlood mononuclear cellsSimilar diagnostic potentialAggressive treatmentAntibody titersHumoral immunityMononuclear cellsPrognostic insightsPrognostic potentialCommon pathogensEtiologic agentMultivariate analysisClinical decisionEx vivoMultiplex immunoassayWound samplesInfectionSerumAureus antibodyChronic Osteomyelitis with Staphylococcus aureus Deformation in Submicron Canaliculi of Osteocytes
de Mesy Bentley KL, MacDonald A, Schwarz EM, Oh I. Chronic Osteomyelitis with Staphylococcus aureus Deformation in Submicron Canaliculi of Osteocytes. JBJS Case Connector 2018, 8: e8. PMID: 29443819, PMCID: PMC6681818, DOI: 10.2106/jbjs.cc.17.00154.Peer-Reviewed Original Research
2016
Internal Versus External Fixation of Charcot Midfoot Deformity Realignment.
Lee DJ, Schaffer J, Chen T, Oh I. Internal Versus External Fixation of Charcot Midfoot Deformity Realignment. Orthopedics 2016, 39: e595-601. PMID: 27280625, DOI: 10.3928/01477447-20160526-11.Peer-Reviewed Original ResearchConceptsCharcot midfoot deformityInternal fixationExternal fixationFunctional ambulationDeep infectionFurther surgeryExtremity amputationMidfoot deformityUlcer occurrenceRisk of nonunionWound healing complicationsExternal fixation techniquesLogistic regression modelsOverall complicationsHealing complicationsIntraoperative fractureRadiographic nonunionClinical resultsHealing problemsSurgical realignmentSurgical reconstructionTotal casesComplicationsSystematic reviewNonunion