2024
High inpatient-opioid consumption predicts extended length of hospital stay in patients undergoing spinal fusion for adolescent idiopathic scoliosis
Sandhu M, Craft S, Reeves B, Sayeed S, Hengartner A, Tuason D, DiLuna M, Elsamadicy A. High inpatient-opioid consumption predicts extended length of hospital stay in patients undergoing spinal fusion for adolescent idiopathic scoliosis. Spine Deformity 2024, 1-11. PMID: 39320702, DOI: 10.1007/s43390-024-00960-6.Peer-Reviewed Original ResearchLength of hospital stayPosterior spinal fusionAdolescent idiopathic scoliosisProportion of patientsAdverse eventsCost of admissionHospital stayIdiopathic scoliosisSpinal fusionMethodsA retrospective cohort studyLogistic multivariate regression analysisIncreased 30-day readmission ratePost-operative adverse eventsExtended length of hospital stayHospital length of stayReadmission ratesPost-operative analgesiaRetrospective cohort studyPremier Healthcare DatabaseHigh cohortPerioperative adverse eventsMultivariate regression analysisIncreased cost of admissionLength of staySpine surgery
2023
Impact of insurance status on healthcare resource utilization and outcomes in adolescent patients presenting with spinal cord injuries.
Sandhu M, David W, Reeves B, Sherman J, Craft S, Jayaraj C, Boroumand S, Clappier M, Gutierrez A, Sarkozy M, Koo A, Tuason D, DiLuna M, Elsamadicy A. Impact of insurance status on healthcare resource utilization and outcomes in adolescent patients presenting with spinal cord injuries. Journal Of Neurosurgery Pediatrics 2023, 32: 294-301. PMID: 37021755, DOI: 10.3171/2023.2.peds22506.Peer-Reviewed Original ResearchConceptsSpinal cord injuryHospital adverse eventsHealthcare resource utilizationAdverse eventsInsurance statusAdolescent patientsGovernmental insuranceInsurance cohortCord injuryNon-Hispanic white patientsNational Trauma Data BankPrivate insuranceThoracic spinal cord injuryPrivate insurance cohortAdministrative database studyTrauma Data BankClinical Modification codingMultivariate regression analysisPI cohortMedian LOSAdult patientsDischarge dispositionPatient demographicsSCI patientsWhite patientsAssociation 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
Impact of Affective Disorders on Inpatient Opioid Consumption and Hospital Outcomes Following Open Posterior Spinal Fusion for Adult Spine Deformity
Elsamadicy A, Sandhu M, Reeves B, Jafar T, Craft S, Sherman J, Hersh A, Koo A, Kolb L, Lo S, Shin J, Mendel E, Sciubba D. Impact of Affective Disorders on Inpatient Opioid Consumption and Hospital Outcomes Following Open Posterior Spinal Fusion for Adult Spine Deformity. World Neurosurgery 2022, 170: e223-e235. PMID: 36332777, DOI: 10.1016/j.wneu.2022.10.114.Peer-Reviewed Original ResearchConceptsInpatient narcotic consumptionInpatient opioid consumptionHealthcare resource utilizationAD cohortAffective disordersNonroutine dischargeOpioid consumptionNarcotic consumptionSpinal fusionAdult spinal deformity surgeryInpatient opioid usePremier Healthcare DatabaseRetrospective cohort studyPosterior spinal fusionLength of staySpinal deformity surgeryAdult spinal deformityAdult spine deformityYears of ageGreater proportionMultivariate regression analysisNon-Hispanic whitesHospital outcomesStudy patientsCohort studyUtilization of Machine Learning to Model Important Features of 30-day Readmissions following Surgery for Metastatic Spinal Column Tumors: The Influence of Frailty
Elsamadicy A, Koo A, Reeves B, Cross J, Hersh A, Hengartner A, Karhade A, Pennington Z, Akinduro O, Lo S, Gokaslan Z, Shin J, Mendel E, Sciubba D. Utilization of Machine Learning to Model Important Features of 30-day Readmissions following Surgery for Metastatic Spinal Column Tumors: The Influence of Frailty. Global Spine Journal 2022, 14: 1227-1237. PMID: 36318478, PMCID: PMC11289550, DOI: 10.1177/21925682221138053.Peer-Reviewed Original ResearchHospital Frailty Risk ScoreSpinal column tumorsFrailty Risk ScoreInfluence of frailtySpinal column metastasesProportion of patientsRetrospective cohort studyNationwide Readmissions DatabaseRisk of readmissionMultivariate regression analysisIntermediate frailtyAdult patientsCohort studyIndependent predictorsSurgical interventionSpine surgeryReadmissionPatient readmissionRisk scorePatientsFrailtySurgeryCohortTumorsRegression analysisHospital Frailty Risk Score Predicts Adverse Events and Readmission Following a Ventriculoperitoneal Shunt Surgery for Normal Pressure Hydrocephalus
Koo AB, Elsamadicy AA, Renedo D, Sarkozy M, Reeves BC, Barrows MM, Hengartner A, Havlik J, Sandhu MRS, Antonios JP, Malhotra A, Matouk CC. Hospital Frailty Risk Score Predicts Adverse Events and Readmission Following a Ventriculoperitoneal Shunt Surgery for Normal Pressure Hydrocephalus. World Neurosurgery 2022, 170: e9-e20. PMID: 35970293, DOI: 10.1016/j.wneu.2022.08.037.Peer-Reviewed Original ResearchConceptsHospital Frailty Risk ScoreFrailty Risk ScoreVP shunt surgeryVentriculoperitoneal shunt surgeryAdverse eventsShunt surgeryIndependent predictorsNPH patientsRisk scoreHealth care resource utilizationMultivariate logistic regression analysisNormal pressure hydrocephalus patientsRetrospective cohort studyNationwide Readmissions DatabaseNormal pressure hydrocephalusLogistic regression analysisRegression analysisMultivariate regression analysisUnplanned readmissionCohort studyHospital readmissionPressure hydrocephalusAdmission costsReadmissionHydrocephalus patientsHigher 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 demographicsImpact of Frailty on Morbidity and Mortality in Adult Patients Undergoing Surgical Evacuation of Acute Traumatic Subdural Hematoma
Elsamadicy AA, Sandhu MRS, Freedman IG, Koo AB, Reeves BC, Yu J, Hengartner A, Havlik J, Hong CS, Rutherford HJV, Kim JA, Gerrard J, Gilmore EJ, Omay SB. Impact of Frailty on Morbidity and Mortality in Adult Patients Undergoing Surgical Evacuation of Acute Traumatic Subdural Hematoma. World Neurosurgery 2022, 162: e251-e263. PMID: 35276399, DOI: 10.1016/j.wneu.2022.02.122.Peer-Reviewed Original ResearchConceptsAcute traumatic subdural hematomaTraumatic subdural hematomaHospital mortalityNonroutine dischargeSubdural hematomaExtended LOSIndependent predictorsAdult patientsBaseline frailtyMultivariate logistic regression analysisExtended hospital lengthImpact of frailtyRetrospective cohort studyNational Trauma DatabaseLogistic regression analysisRegression analysisMultivariate regression analysisHealth care expendituresFrail patientsHospital lengthCohort studySurgical evacuationFrailty indexTrauma databasePatients134 Racial Disparities in Healthcare Resource Utilization After Pediatric Cervical and/or Thoracic Spinal Injuries: Is it Black and White?
Elsamadicy A, Sandhu M, Freedman I, Koo A, Hengartner A, Reeves B, Havlik J, Sarkozy M, Kundishora A, Tuason D, DiLuna M. 134 Racial Disparities in Healthcare Resource Utilization After Pediatric Cervical and/or Thoracic Spinal Injuries: Is it Black and White? Neurosurgery 2022, 68: 39-39. DOI: 10.1227/neu.0000000000001880_134.Peer-Reviewed Original ResearchHealthcare resource utilizationAfrican American patientsMultivariate regression analysisAfrican American cohortHospital complicationsHospital LOSComplication ratePediatric patientsSpinal traumaRacial disparitiesGreater prevalenceLogistic multivariate regression analysisLength of ICUOverall complication rateThoracic spine injuriesAfrican American raceDiagnosis coding systemRegression analysisThoracic spinal injuryPaucity of dataAfrican American/BlackUnited States healthcare systemICU LOSHospital stayInjury presentations307 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 LOS356 Patient-and-Hospital-Related Risk Factors for Non-Routine Discharge After Lumbar Decompression and Fusion for Spondylolisthesis
Elsamadicy A, Freedman I, Koo A, David W, Hengartner A, Havlik J, Hersh A, Pennington Z, Kolb L, Laurans M, Shin J, Sciubba D. 356 Patient-and-Hospital-Related Risk Factors for Non-Routine Discharge After Lumbar Decompression and Fusion for Spondylolisthesis. Neurosurgery 2022, 68: 84-84. DOI: 10.1227/neu.0000000000001880_356.Peer-Reviewed Original ResearchNon-routine dischargeSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseNon-Hispanic black race/ethnicityQuality Improvement Program databaseICD-9-CM diagnosisBlack race/ethnicityMultivariate logistic regression modelDependent functional statusImprovement Program databaseRetrospective cohort studyProcedural Coding SystemQuality of careMultivariate regression analysisPaucity of dataLogistic regression modelsRace/ethnicityUnplanned readmissionCohort studyDischarge dispositionReadmission ratesAdult patientsAdverse eventsIndependent predictorsLonger LOSDifferences 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 metastases
2021
Racial Disparities in Health Care Resource Utilization After Pediatric Cervical and/or Thoracic Spinal Injuries
Elsamadicy AA, Sandhu MR, Freedman IG, Koo AB, Hengartner AC, Reeves BC, Havlik J, Sarkozy M, Hong CS, Kundishora AJ, Tuason DA, DiLuna M. Racial Disparities in Health Care Resource Utilization After Pediatric Cervical and/or Thoracic Spinal Injuries. World Neurosurgery 2021, 156: e307-e318. PMID: 34560297, DOI: 10.1016/j.wneu.2021.09.047.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAsianBlack or African AmericanCervical VertebraeChildChild, PreschoolCohort StudiesFemaleHealth Status DisparitiesHealthcare DisparitiesHispanic or LatinoHumansInfantLength of StayMalePostoperative ComplicationsRetrospective StudiesSocioeconomic FactorsSpinal InjuriesThoracic VertebraeUnited StatesWhite PeopleConceptsHealth care resource utilizationNon-Hispanic blacksNon-Hispanic AsiansHospital complicationsPediatric patientsMultivariate regression analysisNon-Hispanic whitesHospital LOSComplication rateGreater prevalenceICD-10-CM diagnosisLogistic multivariate regression analysisNational Trauma Data BankLonger hospital LOSOverall complication rateThoracic spine injuriesTrauma Data BankRegression analysisThoracic spinal injuryNHB patientsHospital lengthRetrospective cohortSpine injuriesThoracic injuriesRisk ratioImpact of Frailty on Morbidity and Mortality in Adult Patients Presenting with an Acute Traumatic Cervical Spinal Cord Injury
Elsamadicy AA, Sandhu MRS, Freedman IG, Reeves BC, Koo AB, Hengartner A, Havlik J, Sherman J, Maduka R, Agboola IK, Johnson DC, Kolb L, Laurans M. Impact of Frailty on Morbidity and Mortality in Adult Patients Presenting with an Acute Traumatic Cervical Spinal Cord Injury. World Neurosurgery 2021, 153: e408-e418. PMID: 34224881, DOI: 10.1016/j.wneu.2021.06.130.Peer-Reviewed Original ResearchConceptsCervical spinal cord injurySpinal cord injuryAcute cervical spinal cord injuryNational Trauma DatabaseAdverse eventsHospital mortalityFrailty scoreAdult patientsIndependent predictorsCord injuryAcute traumatic cervical spinal cord injuryTraumatic cervical spinal cord injuryRisk of AEsComplete spinal cord injuryMultivariate logistic regression analysisCentral cord syndromeHospital adverse eventsImpact of frailtyRetrospective cohort studyProportion of patientsType of injuryProcedural Coding SystemLogistic regression analysisRegression analysisMultivariate regression analysisIndependent 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 ratePatient Risk Factors Associated With 30- and 90-Day Readmission After Ventriculoperitoneal Shunt Placement for Idiopathic Normal Pressure Hydrocephalus in Elderly Patients: A Nationwide Readmission Study
Koo AB, Elsamadicy AA, Lin IH, David WB, Reeves BC, Santarosa C, Cord B, Malhotra A, Kahle KT, Matouk CC. Patient Risk Factors Associated With 30- and 90-Day Readmission After Ventriculoperitoneal Shunt Placement for Idiopathic Normal Pressure Hydrocephalus in Elderly Patients: A Nationwide Readmission Study. World Neurosurgery 2021, 152: e23-e31. PMID: 33862298, DOI: 10.1016/j.wneu.2021.04.010.Peer-Reviewed Original ResearchConceptsIdiopathic normal pressure hydrocephalusVP shunt surgeryShunt surgeryElderly patientsNormal pressure hydrocephalusPressure hydrocephalusNationwide Readmissions DatabaseVentriculoperitoneal shunt surgeryPatient risk factorsVentriculoperitoneal shunt placementQuality of careMultivariate regression analysisIndex admissionUnplanned readmissionReadmission ratesRenal failureMechanical complicationsPostoperative infectionShunt placementNinth RevisionFemale sexRisk factorsSubdural hemorrhageClinical ModificationReadmission
2020
Thirty- and 90-day Readmissions After Spinal Surgery for Spine Metastases
Elsamadicy AA, Koo AB, David WB, Zogg CK, Kundishora AJ, Hong CS, Kuzmik GA, Gorrepati R, Coutinho PO, Kolb L, Laurans M, Abbed K. Thirty- and 90-day Readmissions After Spinal Surgery for Spine Metastases. Spine 2020, 46: 828-835. PMID: 33394977, PMCID: PMC8278805, DOI: 10.1097/brs.0000000000003907.Peer-Reviewed Original ResearchConceptsSpine metastasesGenitourinary complicationsPostoperative infectionSpine surgeryRheumatoid arthritis/collagen vascular diseasesAcute post-hemorrhagic anemiaCollagen vascular diseaseRetrospective cohort studyUnplanned hospital readmissionNationwide Readmissions DatabasePatient-level factorsVulnerable patient groupSurgical treatment interventionMultivariate regression analysisFusion spine surgeryInpatient complicationsFrequent readmissionsUnplanned readmissionCohort studyRenal failureClinical factorsHospital readmissionSurgery typePatient groupVascular disease