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 race
2022
Hospital 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 patientsAssessment of Frailty Indices and Charlson Comorbidity Index for Predicting Adverse Outcomes in Patients Undergoing Surgery for Spine Metastases: A National Database Analysis
Elsamadicy AA, Havlik JL, Reeves B, Sherman J, Koo AB, Pennington Z, Hersh AM, Sandhu MRS, Kolb L, Larry Lo SF, Shin JH, Mendel E, Sciubba DM. Assessment of Frailty Indices and Charlson Comorbidity Index for Predicting Adverse Outcomes in Patients Undergoing Surgery for Spine Metastases: A National Database Analysis. World Neurosurgery 2022, 164: e1058-e1070. PMID: 35644519, DOI: 10.1016/j.wneu.2022.05.101.Peer-Reviewed Original ResearchConceptsMetastatic spinal tumor frailty indexCharlson Comorbidity IndexFrailty indexMFI-5Adverse outcomesNonroutine dischargeComorbidity indexUnplanned readmissionAdverse eventsNational Surgical Quality Improvement Program databaseHigher Charlson comorbidity indexQuality Improvement Program databaseMultivariate logistic regression analysisPredicting Adverse OutcomesRetrospective cohort studyImprovement Program databaseNational database analysisLength of stayLogistic regression analysisExtradural spinal metastasisOnly significant predictorAdult patientsCohort studyProlonged lengthIndependent predictorsHigher 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 databasePatients307 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 metastases
2021
Effects of preoperative nutritional status on complications and readmissions after posterior lumbar decompression and fusion for spondylolisthesis: A propensity-score analysis
Elsamadicy AA, Havlik J, Reeves BC, Koo AB, Sherman J, Lo SL, Shin JH, Sciubba DM. Effects of preoperative nutritional status on complications and readmissions after posterior lumbar decompression and fusion for spondylolisthesis: A propensity-score analysis. Clinical Neurology And Neurosurgery 2021, 211: 107017. PMID: 34781222, DOI: 10.1016/j.clineuro.2021.107017.Peer-Reviewed Original ResearchConceptsUnplanned readmissionAdverse eventsSpine surgerySurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseOccurrence of AEsPreoperative serum albumin levelQuality Improvement Program databaseMultivariate logistic regression analysisPosterior lumbar decompressionPreoperative nutritional statusHigh rateImprovement Program databaseRetrospective cohort studySerum albumin levelSignificant independent predictorsEffects of malnutritionLogistic regression analysisPropensity score analysisPropensity-score matchingMalnourished cohortMalnourished patientsPerioperative complicationsPostoperative complicationsLumbar decompressionImpact 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 analysisRace 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 predictorsPost-traumatic seizures following pediatric traumatic brain injury
Elsamadicy AA, Koo AB, David WB, Lee V, Zogg CK, Kundishora AJ, Hong C, Reeves BC, Sarkozy M, Kahle KT, DiLuna M. Post-traumatic seizures following pediatric traumatic brain injury. Clinical Neurology And Neurosurgery 2021, 203: 106556. PMID: 33636505, DOI: 10.1016/j.clineuro.2021.106556.Peer-Reviewed Original ResearchConceptsLoss of consciousnessTraumatic brain injuryPost-traumatic seizuresSeizure developmentBrain injuryRisk factorsPre-existing medical comorbiditiesPediatric traumatic brain injuryClinical risk factorsDevelopment of seizuresRate of seizuresDecrease healthcare costsEtiology of injuryType of injuryLogistic regression analysisQuality of careHospital complicationsMedical comorbiditiesNeurological complicationsPediatric patientsTBI patientsGreater proportionNinth RevisionSubarachnoid hemorrhageSecondary diagnosis
2020
Thirty- and 90-Day Readmissions After Treatment of Traumatic Subdural Hematoma: National Trend Analysis
Koo AB, Elsamadicy AA, David WB, Zogg CK, Santarosa C, Sujijantarat N, Robert SM, Kundishora AJ, Cord BJ, Hebert R, Bahrassa F, Malhotra A, Matouk CC. Thirty- and 90-Day Readmissions After Treatment of Traumatic Subdural Hematoma: National Trend Analysis. World Neurosurgery 2020, 139: e212-e219. PMID: 32272271, PMCID: PMC7380544, DOI: 10.1016/j.wneu.2020.03.168.Peer-Reviewed Original ResearchConceptsTraumatic subdural hematomaSubdural hematomaRheumatoid arthritis/collagen vascular diseasesMultivariate logistic regression analysisCollagen vascular diseaseNationwide Readmissions DatabaseCongestive heart failureLikelihood of readmissionPrimary procedure codeTraumatic brain injuryLogistic regression analysisReadmission ratesRenal failureHeart failurePostoperative infectionNinth RevisionSurgical interventionPatient populationVascular diseaseCerebral meningesBrain injuryClinical ModificationPatient managementReadmissionInternational Classification