2023
Emergency Department Visits Following Patellofemoral Arthroplasty
Ratnasamy P, Halperin S, Dhodapkar M, Rubin L, Grauer J. Emergency Department Visits Following Patellofemoral Arthroplasty. JAAOS Global Research And Reviews 2023, 7: e23.00054. PMID: 37947430, PMCID: PMC10635600, DOI: 10.5435/jaaosglobal-d-23-00054.Peer-Reviewed Original ResearchMeSH KeywordsArthroplastyComorbidityEmergency Service, HospitalHumansMedicaidPain, PostoperativeUnited StatesConceptsPatellofemoral arthroplastyED utilizationPFA patientsPostoperative painED visitsPredictive factorsHigher Elixhauser comorbidity indexPerioperative pain managementElixhauser Comorbidity IndexEmergency department utilizationPostoperative metricsComorbidity indexIndependent predictorsPain managementMedicaid insuranceEmergency departmentOrthopedic patientsPayer typePatient carePatientsYounger ageVisitsPainArthroplastyDays
2022
Cervical Disc Arthroplasty Usage Has Leveled Out From 2010 to 2021
Ratnasamy P, Rudisill K, Maloy G, Grauer J. Cervical Disc Arthroplasty Usage Has Leveled Out From 2010 to 2021. Spine 2022, 48: e342-e348. PMID: 36728785, PMCID: PMC10300227, DOI: 10.1097/brs.0000000000004560.Peer-Reviewed Original ResearchConceptsSingle-level cervical disc arthroplastyCervical disc arthroplastyKaplan-Meyer survival analysisPredictive patient factorsCervical spine pathologySingle-level ACDFAnterior cervical discectomyAnterior cervical surgeryCervical spine surgerySpine reoperationCervical surgeryCervical discectomyPatient factorsPredictive factorsSpine surgeryACDFDisc arthroplastySpine pathologyEpidemiologic studiesOrthopaedic surgeonsCommercial insuranceSurvival analysisMultivariate analysisSurgeryYounger age
2021
Arthroplasty implants and materials: Cost awareness and value perception
Gardezi M, Ottesen TD, Tyagi V, Sherman JJZ, Grauer JN, Rubin LE. Arthroplasty implants and materials: Cost awareness and value perception. PLOS ONE 2021, 16: e0255061. PMID: 34310629, PMCID: PMC8312923, DOI: 10.1371/journal.pone.0255061.Peer-Reviewed Original ResearchConceptsPhysician assistantsHigh clinical valueSurgical team membersArthroplasty casesCost differencesArthroplasty proceduresClinical valueArthroplasty surgeonsHealthcare expendituresArthroplasty implantsMajority of respondentsAdvanced practiceKnowledge deficitsSupport teamNursesImplantsCost awarenessAttendingsCurrent study
2017
Treatments of Missing Values in Large National Data Affect Conclusions: The Impact of Multiple Imputation on Arthroplasty Research
Ondeck NT, Fu MC, Skrip LA, McLynn RP, Su EP, Grauer JN. Treatments of Missing Values in Large National Data Affect Conclusions: The Impact of Multiple Imputation on Arthroplasty Research. The Journal Of Arthroplasty 2017, 33: 661-667. PMID: 29153865, DOI: 10.1016/j.arth.2017.10.034.Peer-Reviewed Original ResearchConceptsUnicompartmental knee arthroplastyPreoperative albuminAdverse outcomesKnee arthroplastyNational Surgical Quality Improvement ProgramComplete case analysisHematocrit valuesSurgical Quality Improvement ProgramDemographics of patientsPreoperative laboratory valuesMultiple imputationQuality Improvement ProgramArthroplasty researchSelection biasHealthy patientsLaboratory valuesPotential selection biasPatientsJoint surgeonsComplete dataArthroplastyOnly caseNational datasetOutcomesConclusion