2024
Insurance Disparities in Patient Outcomes and Healthcare Resource Utilization Following Neonatal Intraventricular Hemorrhage
Sayeed S, Theriault B, Hengartner A, Ahsan N, Sadeghzadeh S, Elsamadicy E, DiLuna M, Elsamadicy A. Insurance Disparities in Patient Outcomes and Healthcare Resource Utilization Following Neonatal Intraventricular Hemorrhage. World Neurosurgery 2024, 189: e46-e54. PMID: 38815926, DOI: 10.1016/j.wneu.2024.05.136.Peer-Reviewed Original ResearchIntraventricular hemorrhagePI patientsInsurance statusAssociated with surgical delayDiagnosis of intraventricular hemorrhageMultivariate logistic regression analysisNeonatal intraventricular hemorrhageAssociated with increased healthcare utilizationNational Inpatient Sample databaseRetrospective cohort studyImpact of insurance statusTime to referralAssociated with increased oddsInpatient Sample databaseAssociation of insurance statusLogistic regression analysisLength of stayMyelomeningocele repairSurgical delayCost of admissionAdverse eventsPrivate insuranceCohort studyMedicaid patientsPI cohort167 Association Between Safety-net Hospital Status and Postoperative Outcomes Following ACDF or PCDF for Cervical Spondylotic Myelopathy
Elsamadicy A, Sayeed S, Craft S, Sherman J, Reeves B, Koo A, Khalid S, Lo S, Shin J, Mendel E, Sciubba D. 167 Association Between Safety-net Hospital Status and Postoperative Outcomes Following ACDF or PCDF for Cervical Spondylotic Myelopathy. Neurosurgery 2024, 70: 40-40. DOI: 10.1227/neu.0000000000002809_167.Peer-Reviewed Original ResearchCervical spondylotic myelopathyNon-routine dischargeSafety-net hospital statusSafety-net hospitalACDF cohortSpondylotic myelopathyPostoperative outcomesAdverse eventsMultivariate analysisPosterior cervical decompressionAnterior cervical discectomyImpact postoperative outcomesProportion of patientsNational Inpatient Sample databaseRetrospective cohort studyPredictors of prolonged LOSInpatient Sample databaseNon-SNHsElective ACDFCervical decompressionCervical discectomyStudy patientsIndependent predictorsAdult patientsACDFReduced racial disparities among newborns with intraventricular hemorrhage
Sayeed S, Reeves B, Theriault B, Hengartner A, Ahsan N, Sadeghzadeh S, Elsamadicy E, DiLuna M, Elsamadicy A. Reduced racial disparities among newborns with intraventricular hemorrhage. Child's Nervous System 2024, 40: 2051-2059. PMID: 38526575, DOI: 10.1007/s00381-024-06369-w.Peer-Reviewed Original ResearchLength of stayIntroductionIntraventricular hemorrhageAdverse eventsMultivariate logistic regression analysisRate of adverse eventsPermanent neurological dysfunctionProlonged length of stayNational Inpatient Sample databaseRates of NECInpatient Sample databaseLogistic regression analysisIntraventricular hemorrhageAA patientsImpact of raceCost of admissionIndependent predictorsRate of mortalityPatient characteristicsMultivariate analysisPercentage of AAWhite patientsNeurological dysfunctionNewbornsPatient genderPatients
2023
Influence of affective disorders on outcomes after suboccipital decompression for adult Chiari I malformation
Sherman J, Sayeed S, Craft S, Reeves B, Hengartner A, Fernandez T, Koo A, DiLuna M, Elsamadicy A. Influence of affective disorders on outcomes after suboccipital decompression for adult Chiari I malformation. Clinical Neurology And Neurosurgery 2023, 236: 108104. PMID: 38171050, DOI: 10.1016/j.clineuro.2023.108104.Peer-Reviewed Original ResearchHealthcare resource utilizationNon-routine dischargeLength of stayChiari I malformationAD cohortSuboccipital decompressionAffective disordersAdverse eventsPatient demographicsPostoperative eventsAdmission costsExtended LOSMean LOSNational Inpatient Sample databaseMultivariate logistic regression analysisAdult Chiari I malformationIncidence of syringomyeliaPerioperative adverse eventsChronic pulmonary diseaseICD-10-CM codesGreater proportionLogistic regression analysisComorbid affective disordersAdult patientsIndependent predictorsRacial/Ethnic Disparities Among Patients Undergoing Anterior Cervical Discectomy and Fusion or Posterior Cervical Decompression and Fusion for Cervical Spondylotic Myelopathy: A National Administrative Database Analysis
Elsamadicy A, Sayeed S, Sherman J, Craft S, Reeves B, Hengartner A, Koo A, Larry Lo S, Shin J, Mendel E, Sciubba D. Racial/Ethnic Disparities Among Patients Undergoing Anterior Cervical Discectomy and Fusion or Posterior Cervical Decompression and Fusion for Cervical Spondylotic Myelopathy: A National Administrative Database Analysis. World Neurosurgery 2023, 183: e372-e385. PMID: 38145651, DOI: 10.1016/j.wneu.2023.12.103.Peer-Reviewed Original ResearchCervical spondylotic myelopathyNon-routine dischargeHealthcare resource utilizationExtended hospital LOSHospital LOSWhite patientsHispanic patientsPatient raceNational Inpatient Sample databaseMultivariate logistic regression analysisGreater comorbidity burdenRacial/Ethnic DisparitiesAdministrative database analysisLogistic regression analysisRace/ethnicityACDF cohortComorbidity burdenPostoperative complicationsAdult patientsAdverse eventsPatient demographicsSpondylotic myelopathyIndependent predictorsSurgical outcomesBlack raceImplications of Frailty on Postoperative Health Care Resource Utilization in Ankylosing Spondylitis Patients Undergoing Spine Surgery for Spinal Fractures
Elsamadicy A, Sayeed S, Sadeghzadeh S, Reeves B, Sherman J, Craft S, Serrato P, Larry Lo S, Sciubba D. Implications of Frailty on Postoperative Health Care Resource Utilization in Ankylosing Spondylitis Patients Undergoing Spine Surgery for Spinal Fractures. World Neurosurgery 2023, 182: e16-e28. PMID: 37925147, DOI: 10.1016/j.wneu.2023.10.136.Peer-Reviewed Original ResearchNon-routine dischargeExtended hospital stayIndependent predictorsHospital stayAdverse eventsModified Frailty Index scoreNational Inpatient Sample databaseMultivariate logistic regression analysisFrailty index scoreHealthcare resource utilizationNumber of comorbiditiesHigher hospital costsPosterior spinal fusionCost of admissionImplications of frailtyLogistic regression analysisMultiple adverse eventsHealth care costsQuality patient careGreater comorbidityAdult patientsSpondylitis patientsElective surgeryRetrospective studySurgical outcomesAssociation of frailty with healthcare resource utilization after open thoracic/thoracolumbar posterior spinal fusion for adult spinal deformity
Elsamadicy A, Koo A, Sherman J, Sarkozy M, Reeves B, Craft S, Sayeed S, Sandhu M, Hersh A, Lo S, Shin J, Mendel E, Sciubba D. Association of frailty with healthcare resource utilization after open thoracic/thoracolumbar posterior spinal fusion for adult spinal deformity. European Spine Journal 2023, 1-16. PMID: 36949143, DOI: 10.1007/s00586-023-07635-2.Peer-Reviewed Original ResearchHospital Frailty Risk ScoreNon-routine dischargePosterior spinal fusionAdult spinal deformityHealthcare resource utilizationICD-10-CM codesAdmission costsSpinal fusionSpinal deformityElective posterior spinal fusionNational Inpatient Sample databaseFrailty Risk ScoreImpact of frailtyPostoperative adverse eventsAssociation of frailtyLarger hospital sizeMultivariate regression analysisAdverse eventsIntraoperative variablesPatient demographicsExtended LOSProlonged hospitalizationHispanic raceRetrospective studyFrail cohortPrevalence and Influence of Frailty on Hospital Outcomes After Surgical Resection of Spinal Meningiomas
Elsamadicy A, Koo A, Reeves B, Craft S, Sayeed S, Sherman J, Sarkozy M, Aurich L, Fernandez T, Lo S, Shin J, Sciubba D, Mendel E. Prevalence and Influence of Frailty on Hospital Outcomes After Surgical Resection of Spinal Meningiomas. World Neurosurgery 2023, 173: e121-e131. PMID: 36773810, DOI: 10.1016/j.wneu.2023.02.019.Peer-Reviewed Original ResearchConceptsHospital Frailty Risk ScoreLength of stayHealth care resource utilizationSpinal meningiomasNonroutine dischargeAdverse eventsDischarge dispositionInternational ClassificationExtended LOSMean LOSNational Inpatient Sample databaseFrailty Risk ScoreInfluence of frailtyImpact of frailtyRetrospective cohort studyPerioperative adverse eventsTenth Revision codesClinical Modification codesCost of admissionMultivariate regression analysisHospital outcomesPatient frailtyAdult patientsCohort studyPatient demographics
2022
Higher Hospital Frailty Risk Score is associated with increased complications and healthcare resource utilization after endovascular treatment of ruptured intracranial aneurysms
Koo AB, Elsamadicy AA, Renedo D, Sarkozy M, Sherman J, Reeves BC, Havlik J, Antonios J, Sujijantarat N, Hebert R, Malhotra A, Matouk C. Higher Hospital Frailty Risk Score is associated with increased complications and healthcare resource utilization after endovascular treatment of ruptured intracranial aneurysms. Journal Of NeuroInterventional Surgery 2022, 15: 255-261. PMID: 35292571, PMCID: PMC8931798, DOI: 10.1136/neurintsurg-2021-018484.Peer-Reviewed Original ResearchConceptsHospital Frailty Risk ScoreNon-routine dischargeLength of stayFrailty Risk ScoreHealthcare resource utilizationTotal hospital costsEndovascular treatmentIntracranial aneurysmsAdverse eventsHospital costsRisk scoreHighest Hospital Frailty Risk ScoresMean LOSNational Inpatient Sample databaseMean total hospital costMultivariate logistic regression analysisImpact of frailtyRetrospective cohort studyICD-10-CM codesLogistic regression analysisRegression analysisMultivariate regression analysisCohort studyDischarge dispositionPatient demographics307 The Hospital Frailty Risk Score Independently Predicts Increased Complication Rates and Healthcare Resource Utilization After Endovascular Treatment of Ruptured Aneurysms
Koo A, Elsamadicy A, Sarkozy M, Sherman J, Reeves B, Freedman I, Antonios J, Sujijantarat N, Renado D, Hebert R, Malhotra A, Matouk C. 307 The Hospital Frailty Risk Score Independently Predicts Increased Complication Rates and Healthcare Resource Utilization After Endovascular Treatment of Ruptured Aneurysms. Neurosurgery 2022, 68: 67-68. DOI: 10.1227/neu.0000000000001880_307.Peer-Reviewed Original ResearchHospital Frailty Risk ScoreNon-routine dischargeFrailty Risk ScoreEndovascular treatmentIntracranial aneurysmsPerioperative complicationsLower frailtyHospital costsRisk scoreNational Inpatient Sample databaseMean total hospital costMultivariate logistic regression analysisICD-10 diagnostic codesImpact of frailtyRetrospective cohort studyHealthcare resource utilizationEvaluation of patientsTotal hospital costsAdverse healthcare outcomesAdministrative hospital dataRuptured intracranial aneurysmLogistic regression analysisRegression analysisMultivariate regression analysisAdult patients464 Hospital Frailty Risk Score and Healthcare Resource Utilization After Surgery for Metastatic Spinal Column Tumors
Elsamadicy A, Koo A, Reeves B, Pennington Z, Yu J, Goodwin C, Kolb L, Laurans M, Lo S, Shin J, Sciubba D. 464 Hospital Frailty Risk Score and Healthcare Resource Utilization After Surgery for Metastatic Spinal Column Tumors. Neurosurgery 2022, 68: 113-113. DOI: 10.1227/neu.0000000000001880_464.Peer-Reviewed Original ResearchHospital Frailty Risk ScoreNon-routine dischargeFrailty Risk ScoreSpinal column tumorsPatient populationRisk scoreLarge national database studyNational Inpatient Sample databaseMultivariate logistic regression analysisICD-10 diagnostic codesProlonged hospital LOSImpact of frailtyNational database studyHealthcare resource utilizationRetrospective cohort studyTotal hospital costsProcedural Coding SystemLogistic regression analysisRegression analysisMultivariate regression analysisHospital LOSCohort studyHospital admissionIndependent predictorsLonger LOSHospital Frailty Risk Score and healthcare resource utilization after surgery for metastatic spinal column tumors.
Elsamadicy AA, Koo AB, Reeves BC, Pennington Z, Yu J, Goodwin CR, Kolb L, Laurans M, Lo SL, Shin JH, Sciubba DM. Hospital Frailty Risk Score and healthcare resource utilization after surgery for metastatic spinal column tumors. Journal Of Neurosurgery Spine 2022, 37: 241-251. PMID: 35148505, DOI: 10.3171/2022.1.spine21987.Peer-Reviewed Original ResearchHospital Frailty Risk ScoreLength of staySpinal column tumorsFrailty Risk ScoreNonroutine dischargeHospital admissionHigh frailtyIntermediate frailtyDischarge dispositionSpinal tumorsLower frailtyDiagnostic codesRisk scoreHigher total hospital costsMean LOSNational Inpatient Sample databaseMultivariate logistic regression analysisICD-10 diagnostic codesImpact of frailtyRetrospective cohort studyHealthcare resource utilizationProportion of patientsTotal hospital costsProcedural Coding SystemLogistic regression analysisDifferences in Health Care Resource Utilization After Surgery for Metastatic Spinal Column Tumors in Patients with a Concurrent Affective Disorder in the United States
Elsamadicy AA, Koo AB, Sarkozy M, Reeves BC, Pennington Z, Havlik J, Sandhu MR, Hersh A, Patel S, Kolb L, Larry Lo SF, Shin JH, Mendel E, Sciubba DM. Differences in Health Care Resource Utilization After Surgery for Metastatic Spinal Column Tumors in Patients with a Concurrent Affective Disorder in the United States. World Neurosurgery 2022, 161: e252-e267. PMID: 35123021, DOI: 10.1016/j.wneu.2022.01.112.Peer-Reviewed Original ResearchConceptsLength of stayHealth care resource utilizationPostoperative adverse eventsNonroutine dischargeAdverse eventsAffective disordersNational Inpatient Sample databaseMultivariate logistic regression analysisSpinal column metastasesRetrospective cohort studyMetastatic spinal tumorsSpinal column tumorsLogistic regression analysisConcurrent affective disorderGreater total costsRegression analysisMultivariate regression analysisAdult patientsCohort studyDischarge dispositionIntraoperative variablesPatient demographicsHospital admissionIndependent predictorsSpinal metastasesGeographic variations in health care resource utilization following elective ACDF for cervical spondylotic myelopathy: A national trend analysis
Koo AB, Elsamadicy AA, Sarkozy M, Pathak N, David WB, Freedman IG, Reeves BC, Sciubba DM, Laurans M, Kolb L. Geographic variations in health care resource utilization following elective ACDF for cervical spondylotic myelopathy: A national trend analysis. North American Spine Society Journal (NASSJ) 2022, 9: 100099. PMID: 35141663, PMCID: PMC8819911, DOI: 10.1016/j.xnsj.2022.100099.Peer-Reviewed Original ResearchCervical spondylotic myelopathyLength of stayElective ACDFSpondylotic myelopathyAdult patientsPatient demographicsComplication rateRegional cohortElective anterior cervical discectomyHealth care resource utilizationNational Inpatient Sample databaseAnterior cervical discectomyMean total costHousehold income quartileHealth care deliveryHealth care expendituresNonroutine dischargePerioperative complicationsCervical discectomyDischarge dispositionFemale patientsElixhauser comorbiditiesSurgery variesPrimary diagnosisHospital costs
2021
Independent Association of Obesity and Nonroutine Discharge Disposition After Elective Anterior Cervical Discectomy and Fusion for Cervical Spondylotic Myelopathy
Koo AB, Elsamadicy AA, Sarkozy M, David WB, Reeves BC, Hong CS, Boylan A, Laurans M, Kolb L. Independent Association of Obesity and Nonroutine Discharge Disposition After Elective Anterior Cervical Discectomy and Fusion for Cervical Spondylotic Myelopathy. World Neurosurgery 2021, 151: e950-e960. PMID: 34020060, DOI: 10.1016/j.wneu.2021.05.022.Peer-Reviewed Original ResearchConceptsCervical spondylotic myelopathyNonroutine discharge dispositionAnterior cervical discectomyElective anterior cervical discectomyDischarge dispositionSpondylotic myelopathyCervical discectomyElective ACDFComplication rateNational Inpatient Sample databaseElective spine surgeryOverall complication ratePrevalence of obesityShort-term outcomesLength of stayHospital bed sizeMultivariate regression analysisHealth care coverageMore comorbiditiesNonroutine dischargeDischarge weightIndependent predictorsElixhauser comorbiditiesGreater proportionPrimary diagnosisRace Is an Independent Predictor for Nonroutine Discharges After Spine Surgery for Spinal Intradural/Cord Tumors
Elsamadicy AA, Koo AB, David WB, Reeves BC, Freedman IG, Pennington Z, Ehresman J, Kolb L, Laurans M, Shin JH, Sciubba DM. Race Is an Independent Predictor for Nonroutine Discharges After Spine Surgery for Spinal Intradural/Cord Tumors. World Neurosurgery 2021, 151: e707-e717. PMID: 33940256, DOI: 10.1016/j.wneu.2021.04.085.Peer-Reviewed Original ResearchConceptsNonroutine discharge dispositionIndependent predictorsNonroutine dischargeDischarge dispositionCord tumorsAA raceSurgical interventionNational Inpatient Sample databaseMultivariable logistic regression analysisStepwise multivariable logistic regression analysisBackward stepwise multivariable logistic regression analysisAfrican AmericansPostoperative complication rateRetrospective cohort studyClinical Modification diagnosisLength of hospitalizationProcedural Coding SystemLogistic regression analysisHealth care costsRegression analysisMultivariate regression analysisAA/BlackPostoperative complicationsCohort studyComplication rateCost and Health Care Resource Utilization Differences After Spine Surgery for Bony Spine versus Primary Intradural Spine Tumors
Elsamadicy AA, Koo AB, Reeves BC, Freedman IG, Pennington Z, David WB, Ehresman J, Hengartner A, Laurans M, Kolb L, Shin JH, Sciubba DM. Cost and Health Care Resource Utilization Differences After Spine Surgery for Bony Spine versus Primary Intradural Spine Tumors. World Neurosurgery 2021, 151: e286-e298. PMID: 33866030, DOI: 10.1016/j.wneu.2021.04.015.Peer-Reviewed Original ResearchConceptsLength of stayPrimary intradural spinal tumorsIntradural spinal tumorsSpine tumorsSpine surgeryPerioperative complicationsSpinal tumorsNational Inpatient Sample databaseMultivariable logistic regression analysisStepwise multivariable logistic regression analysisBackward stepwise multivariable logistic regression analysisIntradural spinal neoplasmsIntradural spine tumorsRetrospective cohort studyLogistic regression analysisHealth care resourcesMore comorbiditiesAdult patientsCohort studyDischarge dispositionIntraoperative variablesPatient demographicsComplication rateHospital admissionIndependent predictorsOctogenarians Are Independently Associated With Extended LOS and Non-Routine Discharge After Elective ACDF for CSM
Elsamadicy AA, Koo AB, Reeves BC, Freedman IG, David WB, Ehresman J, Pennington Z, Laurans M, Kolb L, Sciubba DM. Octogenarians Are Independently Associated With Extended LOS and Non-Routine Discharge After Elective ACDF for CSM. Global Spine Journal 2021, 12: 1792-1803. PMID: 33511889, PMCID: PMC9609534, DOI: 10.1177/2192568221989293.Peer-Reviewed Original ResearchCervical spondylotic myelopathyNon-routine dischargeRetrospective cohort studyExtended LOSElective ACDFCohort studyDischarge dispositionICD-10-CM diagnosisSignificant independent risk factorsNational Inpatient Sample databaseLonger hospital stayIndependent risk factorSignificant independent predictorsYear cohortYear old cohortHospital stayPerioperative complicationsPostoperative complicationsPatient demographicsSpondylotic myelopathyAdult patientsIndependent predictorsRisk factorsACDFAge 80
2020
Portending Influence of Racial Disparities on Extended Length of Stay after Elective Anterior Cervical Discectomy and Interbody Fusion for Cervical Spondylotic Myelopathy
Elsamadicy AA, Koo AB, David WB, Sarkozy M, Freedman IG, Reeves BC, Laurans M, Kolb L, Sciubba DM. Portending Influence of Racial Disparities on Extended Length of Stay after Elective Anterior Cervical Discectomy and Interbody Fusion for Cervical Spondylotic Myelopathy. World Neurosurgery 2020, 142: e173-e182. PMID: 32599203, DOI: 10.1016/j.wneu.2020.06.155.Peer-Reviewed Original ResearchMeSH KeywordsAgedBlack or African AmericanCerebrospinal Fluid LeakCervical VertebraeCohort StudiesComorbidityDiskectomyElective Surgical ProceduresFemaleHealthcare DisparitiesHumansIntraoperative ComplicationsLength of StayMaleMiddle AgedPostoperative ComplicationsPrevalenceRetrospective StudiesSpinal Cord CompressionSpinal FusionSpondylosisUnited StatesWhite PeopleConceptsCervical spondylotic myelopathyElective anterior cervical discectomyAnterior cervical discectomyAA cohortSpondylotic myelopathyCervical discectomyExtended LOSC cohortSignificant independent risk factorsNational Inpatient Sample databaseLonger hospital stayPrevalence of comorbiditiesRetrospective cohort studyIndependent risk factorNumber of complicationsAfrican AmericansElective ACDFNonroutine dischargeAA raceC patientsHospital stayAdult patientsCohort studyIndependent predictorsAA patientsAssociated risk factors for extended length of stay following anterior cervical discectomy and fusion for cervical spondylotic myelopathy
Elsamadicy AA, Koo AB, Lee M, David WB, Kundishora AJ, Robert SM, Kuzmik GA, Coutinho PO, Kolb L, Laurans M, Abbed K. Associated risk factors for extended length of stay following anterior cervical discectomy and fusion for cervical spondylotic myelopathy. Clinical Neurology And Neurosurgery 2020, 195: 105883. PMID: 32428797, DOI: 10.1016/j.clineuro.2020.105883.Peer-Reviewed Original ResearchConceptsCervical spondylotic myelopathyHospital-level factorsLOS cohortAnterior cervical discectomyExtended LOSMultivariate logistic regressionSpondylotic myelopathyPostoperative complicationsCervical discectomyBlood transfusionOdds ratioNational Inpatient Sample databaseLogistic regressionFurther investigational studiesOverall complication rateNon-routine dischargeAssociated risk factorsNational cohort studyNumber of complicationsRisk-adjusted LOSGreater overall costsLow socioeconomic statusPaucity of literatureHospital LOSHospital stay