2024
Following carpel tunnel release, what factors affect whether patients return to the same or different hand surgeon for a subsequent procedure?
Halperin S, Dhodapkar M, Pathak N, Joo P, Luo X, Grauer J. Following carpel tunnel release, what factors affect whether patients return to the same or different hand surgeon for a subsequent procedure? PLOS ONE 2024, 19: e0312159. PMID: 39436931, PMCID: PMC11495619, DOI: 10.1371/journal.pone.0312159.Peer-Reviewed Original ResearchRisk of Adverse Events Following Total Knee Arthroplasty in Asthma Patients
Smith-Voudouris J, Rubin L, Grauer J. Risk of Adverse Events Following Total Knee Arthroplasty in Asthma Patients. Journal Of The American Academy Of Orthopaedic Surgeons 2024, 32: 543-549. PMID: 38657178, DOI: 10.5435/jaaos-d-23-01142.Peer-Reviewed Original ResearchAdverse eventsTotal knee arthroplastyElixhauser Comorbidity IndexOne-tenth of patientsAsthma patientsOdds of adverse eventsRisk of adverse eventsIncreasing severity of asthmaMultivariate logistic regressionInflammatory airway diseasesSeverity of asthmaKnee arthroplastyTotal knee arthroplasty patientsPerioperative outcomesAggregate adverse eventsAdult patientsNon-pulmonaryAirway diseaseComorbidity indexMultivariate analysisPatient factorsAsthma groupEmergency department visitsPatientsIncreased odds
2023
Changes in the Utilization of Cervicothoracic Injections Between 2010 and 2020
Ratnasamy P, Oghenesume O, Maloy G, Grauer J. Changes in the Utilization of Cervicothoracic Injections Between 2010 and 2020. Clinical Spine Surgery A Spine Publication 2023, 37: 210-216. PMID: 37941099, DOI: 10.1097/bsd.0000000000001549.Peer-Reviewed Original ResearchFacet injectionsPatient characteristicsPatient insurance typeElixhauser Comorbidity IndexInsurance reimbursement policiesCurrent Procedural Terminology codingComorbidity indexPatient agePearlDiver databasePatient factorsInterlaminar injectionsTransforaminal injectionsRehabilitation physiciansInsurance typePractice patternsMedicaid patientsEpidemiologic studiesPhysician preferenceProvider typeSpinal pathologyTransforaminalSpine carePhysical medicinePatientsInjection administrationThe Burden of Revision Total Ankle Replacement Has Increased From 2010 to 2020
Ratnasamy P, Maloy G, Oghenesume O, Peden S, Grauer J, Oh I. The Burden of Revision Total Ankle Replacement Has Increased From 2010 to 2020. Foot & Ankle Orthopaedics 2023, 8: 24730114231198234. PMID: 37767009, PMCID: PMC10521287, DOI: 10.1177/24730114231198234.Peer-Reviewed Original ResearchElixhauser Comorbidity IndexHigher Elixhauser comorbidity indexRetrospective cohort studyCohort studyIndependent predictorsAnnual incidenceRevision surgeryRisk factorsYounger ageMultivariate logistic regression analysisRevision total ankle replacementTotal ankle replacement surgeryIndependent risk factorImplant survival rateTiming of revisionLogistic regression analysisSite of careTotal ankle replacementAnkle replacement surgeryExplant patientsExplant surgeryComorbidity indexPatient factorsIndex procedureFemale sexEmergency department visits within 90 days of lumbar discectomy
Ratnasamy P, Rudisill K, Caruana D, Kammien A, Grauer J. Emergency department visits within 90 days of lumbar discectomy. The Spine Journal 2023, 23: 1522-1530. PMID: 37356460, DOI: 10.1016/j.spinee.2023.06.384.Peer-Reviewed Original ResearchConceptsElixhauser Comorbidity IndexSurgical site painED visitsED utilizationLumbar discectomySite painUnderwent reoperationPatient factorsPostoperative weekPatient satisfactionPrimary diagnosisRisk factorsCSF leakHealth care resource utilizationHigher Elixhauser comorbidity indexExcess health care expendituresCommon primary diagnosisType of reoperationNerve root decompressionDay of surgeryEmergency department visitsPatient-level predictorsPosterior segmental instrumentationRisk of reoperationSpecific patient characteristicsFactors Associated With Increased Opioid Prescriptions Following Anterior Cruciate Ligament Reconstruction in Opioid-Naïve Patients
Yalcin S, Joo P, McLaughlin W, Moran J, Caruana D, Flores M, Grauer J, Medvecky M. Factors Associated With Increased Opioid Prescriptions Following Anterior Cruciate Ligament Reconstruction in Opioid-Naïve Patients. Arthroscopy Sports Medicine And Rehabilitation 2023, 5: 100740. PMID: 37645399, PMCID: PMC10461142, DOI: 10.1016/j.asmr.2023.04.023.Peer-Reviewed Original ResearchAnterior cruciate ligament reconstructionOpioid-naïve patientsOpioid prescriptionsCruciate ligament reconstructionOrthopaedic surgeonsMean MMEOpioid useLigament reconstructionPreoperative diagnosisArthroscopic anterior cruciate ligament reconstructionMedical providersFollowing Anterior Cruciate Ligament ReconstructionOlder ageRetrospective cohort studyCollateral ligament repairSubstance use disordersMean morphineNaïve patientsOpioid dosesPrescriber specialtyCohort studyPatient factorsChronic painAverage MMEPhysician specialtyDecline in Separate Incision Autograft for Spine Surgery Over the Past Decade: A Fading “gold standard”
Rudisill K, Ratnasamy P, Maloy G, Grauer J. Decline in Separate Incision Autograft for Spine Surgery Over the Past Decade: A Fading “gold standard”. Journal Of The American Academy Of Orthopaedic Surgeons 2023, 31: 938-944. PMID: 37332184, DOI: 10.5435/jaaos-d-22-01029.Peer-Reviewed Original ResearchConceptsElixhauser Comorbidity IndexSurgeon specialtySpinal fusionComorbidity indexSmoking statusGold standardIliac crest autograftPatient ageIndependent predictorsPatient factorsNonsurgical factorsCrest autograftSpine surgeryBone graftingSpine fusionIliac crestBone graftAutograftYounger ageSurgeryInsurance factorsSpinal boneCommon procedureInsurance plansAge
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 ageEmergency Department Visits Within 90 Days of Total Ankle Replacement
Ratnasamy PP, Kammien AJ, Gouzoulis MJ, Oh I, Grauer JN. Emergency Department Visits Within 90 Days of Total Ankle Replacement. Foot & Ankle Orthopaedics 2022, 7: 24730114221134255. PMID: 36324696, PMCID: PMC9619275, DOI: 10.1177/24730114221134255.Peer-Reviewed Original ResearchElixhauser Comorbidity IndexSurgical site painRetrospective cohort studyED visitsSite painCohort studyHealth care utilization/costsHigher Elixhauser comorbidity indexPain management pathwayPostoperative ED visitsPostoperative hospital lengthEmergency department visitsDay of surgeryLogistic regression analysisSite of careTotal ankle replacementHealth care costsComorbidity indexHospital lengthED utilizationDepartment visitsPatient factorsPostoperative weekEmergency departmentFemale sexHome and Outpatient Physical Therapy Utilization Following Total Ankle Replacement
Ratnasamy P, Gouzoulis M, Kammien A, Oh I, Grauer J. Home and Outpatient Physical Therapy Utilization Following Total Ankle Replacement. Foot & Ankle Orthopaedics 2022, 7: 24730114221146175. PMID: 36582653, PMCID: PMC9793015, DOI: 10.1177/24730114221146175.Peer-Reviewed Original ResearchTotal ankle replacementRetrospective cohort studyElixhauser Comorbidity IndexPhysical therapyCohort studyPatient factorsTAR patientsAnkle replacementPhysical therapy utilizationDay of surgeryInpatient physical therapyLogistic regression analysisFrequency of homeComorbidity indexIndependent predictorsMedicaid insurancePatients surgeryPredictive factorsTherapy utilizationCare pathwayAdministrative codingSurgeryLevel IIIPatientsFirst weekEmergency Department Visits Within 90 Days of Total Ankle Arthroplasty
Ratnasamy P, Kammien A, Gouzoulis M, Grauer J. Emergency Department Visits Within 90 Days of Total Ankle Arthroplasty. Foot & Ankle Orthopaedics 2022, 7: 2473011421s00895. PMCID: PMC9679845, DOI: 10.1177/2473011421s00895.Peer-Reviewed Original ResearchTotal ankle arthroplastyElixhauser Comorbidity IndexSurgical site painED visitsSite painTAA patientsAnkle arthroplastyRisk factorsCommon reasonHealth care utilization/costsHigher Elixhauser comorbidity indexPostoperative ED visitsRetrospective cohort studyEmergency department visitsDay of surgeryLogistic regression analysisComorbidity indexCohort studyED utilizationDepartment visitsPatient factorsPostoperative weekEmergency departmentPatient populationFemale sexPhysical Therapy Utilization Within 90 Days of Total Ankle Arthroplasty
Ratnasamy P, Gouzoulis M, Kammien A, Grauer J. Physical Therapy Utilization Within 90 Days of Total Ankle Arthroplasty. Foot & Ankle Orthopaedics 2022, 7: 2473011421s00896. PMCID: PMC9679831, DOI: 10.1177/2473011421s00896.Peer-Reviewed Original ResearchTotal ankle arthroplastyElixhauser Comorbidity IndexPhysical therapyPatient factorsTAA patientsAnkle arthroplastyHigher Elixhauser comorbidity indexPhysical therapy utilizationRetrospective cohort studyDay of surgeryMedicaid insurance coverageLogistic regression analysisComorbidity indexCohort studyPatients surgeryPredictive factorsTherapy utilizationOutpatient settingSurgeryGreater incidenceMultivariate analysisOlder ageFirst weekSeventh weekInsurance coverage
2021
Risk Factors for Venous Thromboembolism in Children Undergoing Orthopedic Surgery.
Mets EJ, Pathak N, Galivanche AR, McLynn RP, Frumberg DB, Grauer JN. Risk Factors for Venous Thromboembolism in Children Undergoing Orthopedic Surgery. Orthopedics 2021, 45: 31-37. PMID: 34846239, DOI: 10.3928/01477447-20211124-06.Peer-Reviewed Original ResearchConceptsVenous thromboembolismAdverse eventsRisk factorsOrthopedic surgeryNational Surgical Quality Improvement Program Pediatric databaseSurgeons National Surgical Quality Improvement Program Pediatric databaseIncidence of VTEPostoperative venous thromboembolismMinor adverse eventsPostoperative adverse eventsPreoperative blood transfusionIndependent risk factorMajor adverse eventsHigh-risk subpopulationsVTE prophylaxisPerioperative outcomesPatient demographicsBlood transfusionPatient factorsPediatric patientsSurgical variablesPreventable complicationsFemur fracturesPatient populationRetrospective analysisHospital Consumer Assessment of Healthcare Providers and Systems survey response rates are significantly affected by patient characteristics and postoperative outcomes for patients undergoing primary total knee arthroplasty
Mercier MR, Galivanche AR, David WB, Malpani R, Pathak N, Hilibrand AS, Rubin LE, Grauer JN. Hospital Consumer Assessment of Healthcare Providers and Systems survey response rates are significantly affected by patient characteristics and postoperative outcomes for patients undergoing primary total knee arthroplasty. PLOS ONE 2021, 16: e0257555. PMID: 34582475, PMCID: PMC8478166, DOI: 10.1371/journal.pone.0257555.Peer-Reviewed Original ResearchConceptsTotal knee arthroplastyPrimary total knee arthroplastyHospital Consumer AssessmentPostoperative outcomesPatient characteristicsHCAHPS survey resultsHCAHPS surveySurvey response rateKnee arthroplastyResponse rateHealthcare providersConsumer AssessmentHigher American SocietyMultivariate regression analysisAnesthesia scorePostoperative variablesTKA patientsAdult patientsPrimary outcomePatient factorsSurgical variablesPatient populationPatient satisfactionSingle institutionHospital experience
2020
Pediatric Supracondylar Humerus Fracture Outcomes by Pediatric and Nonpediatric Orthopedists.
Mets EJ, Grauer JN, McLynn RP, Frumberg DB. Pediatric Supracondylar Humerus Fracture Outcomes by Pediatric and Nonpediatric Orthopedists. Orthopedics 2020, 44: e203-e210. PMID: 33316820, DOI: 10.3928/01477447-20201210-03.Peer-Reviewed Original ResearchConceptsPediatric supracondylar humerus fracturesSupracondylar humerus fracturesHumerus fracturesMultivariate analysisRetrospective comparative cohort analysisLarge national databaseComparative cohort analysisComorbidity burdenHospital lengthPerioperative outcomesAdverse eventsPatient characteristicsPatient factorsFracture outcomesOperative timePatient 1Surgical interventionAdverse outcomesPediatric orthopedistsStudy groupCohort analysisOrthopaedic surgeonsOrthopedistsNational databaseSubspecialty training
2019
Patient-related Factors and Perioperative Outcomes Are Associated with Self-Reported Hospital Rating after Spine Surgery.
Mets EJ, Mercier MR, Hilibrand AS, Scott MC, Varthi AG, Grauer JN. Patient-related Factors and Perioperative Outcomes Are Associated with Self-Reported Hospital Rating after Spine Surgery. Clinical Orthopaedics And Related Research® 2019, 478: 643-652. PMID: 31389897, PMCID: PMC7145058, DOI: 10.1097/corr.0000000000000892.Peer-Reviewed Original ResearchConceptsOverall hospital experienceMultivariate logistic regression analysisPatient-related factorsAdverse eventsHospital ratingSpine surgeryLogistic regression analysisPerioperative outcomesPatient factorsQuality of careSurgical variablesHospital experienceHCAHPS scoresHCAHPS surveyPatient demographicsAnnual reimbursementAnesthesiologists class IIMinor adverse eventsNumerous patient factorsOnly surgical factorMajor adverse eventsSpine surgery populationSingle academic institutionHospital Consumer AssessmentPotential confounding variables
2018
Adverse Events Following Posterior Lumbar Fusion: A Comparison of Spine Surgeons Perceptions and Reported Data for Rates and Risk Factors.
Ondeck NT, Bohl DD, Bovonratwet P, McLynn RP, Cui JJ, Samuel AM, Webb ML, Grauer JN. Adverse Events Following Posterior Lumbar Fusion: A Comparison of Spine Surgeons Perceptions and Reported Data for Rates and Risk Factors. The International Journal Of Spine Surgery 2018, 12: 603-610. PMID: 30364864, PMCID: PMC6198632, DOI: 10.14444/5074.Peer-Reviewed Original ResearchPosterior lumbar fusionPatient risk factorsAdverse eventsRisk factorsPatient factorsLumbar fusionDegenerative conditionsElective posterior lumbar fusionSpine surgeons’ perceptionPostoperative adverse eventsAdverse event ratesUrinary tract infectionDeep vein thrombosisInsulin-dependent diabetesPostoperative complicationsCurrent smokingTract infectionsVein thrombosisDependent diabetesNSQIP dataExpectation settingInclusion criteriaAmerican CollegeSpine surgeonsEvent rates
2017
General Health Adverse Events Within 30 Days Following Anterior Cervical Discectomy and Fusion in US Patients: A Comparison of Spine Surgeons’ Perceptions and Reported Data for Rates and Risk Factors
Ondeck NT, Bohl DD, Bovonratwet P, Geddes BJ, Cui JJ, McLynn RP, Samuel AM, Grauer JN. General Health Adverse Events Within 30 Days Following Anterior Cervical Discectomy and Fusion in US Patients: A Comparison of Spine Surgeons’ Perceptions and Reported Data for Rates and Risk Factors. Global Spine Journal 2017, 8: 345-353. PMID: 29977718, PMCID: PMC6022956, DOI: 10.1177/2192568217723017.Peer-Reviewed Original ResearchPostoperative adverse eventsNational Surgical Quality Improvement ProgramAnterior cervical discectomyPatient risk factorsAdverse eventsRisk factorsCervical discectomyPatient factorsSurgical Quality Improvement ProgramSpine surgeons’ perceptionOccurrence of complicationsSurgeons' perceptionsNational dataQuality improvement initiativesQuality Improvement ProgramElective ACDFAccuracy of surgeonsACDF proceduresPerioperative complicationsRetrospective reviewUS patientsNSQIP dataProspective dataSurgeon's assessmentSuch complications
2015
Myelopathy Is Associated With Increased All-Cause Morbidity and Mortality Following Anterior Cervical Discectomy and Fusion
Lukasiewicz AM, Basques BA, Bohl DD, Webb ML, Samuel AM, Grauer JN. Myelopathy Is Associated With Increased All-Cause Morbidity and Mortality Following Anterior Cervical Discectomy and Fusion. Spine 2015, 40: 443-449. PMID: 25599286, DOI: 10.1097/brs.0000000000000785.Peer-Reviewed Original ResearchMeSH KeywordsAdultCervical VertebraeCohort StudiesDatabases, FactualDiskectomyFemaleHumansIntervertebral Disc DegenerationLength of StayLogistic ModelsMaleMiddle AgedOperative TimeQuality ImprovementRetrospective StudiesSocieties, MedicalSpinal Cord DiseasesSpinal DiseasesSpinal FusionSurvival RateTreatment OutcomeUnited StatesConceptsBaseline patient characteristicsAnterior cervical discectomyAdverse eventsACDF proceduresCervical discectomyCervical myelopathyPatient characteristicsSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseMultivariate analysisQuality Improvement Program databaseSerious adverse eventsCervical spine pathologyImprovement Program databaseSevere adverse eventsMultivariate logistic regressionCommon surgical procedureCause morbidityRetrospective cohortSurgical characteristicsPatient factorsHigh morbidityDifferent morbiditiesPatient counselingDiagnosis codes
2008
Quantifying the Effects of Degeneration and Other Patient Factors on Lumbar Segmental Range of Motion Using Multivariate Analysis
Bible JE, Simpson AK, Emerson JW, Biswas D, Grauer JN. Quantifying the Effects of Degeneration and Other Patient Factors on Lumbar Segmental Range of Motion Using Multivariate Analysis. Spine 2008, 33: 1793-1799. PMID: 18628713, DOI: 10.1097/brs.0b013e31817b8f3a.Peer-Reviewed Original ResearchConceptsBody mass indexLumbar ROMKellgren scoreMultivariate analysisSignificant negative associationSegmental ROML5-S1L4-L5Segmental rangeL3-L4L2-L3Negative associationMultivariate regression analysisPatient factorsRetrospective reviewMass indexClinical variablesUnivariate analysisBACKGROUND DATAFlexion/extensionSignificant associationL1-S1Role of ageInterobserver reliabilityDegeneration