2022
Assessment 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 ResearchMeSH KeywordsAdultComorbidityDatabases, FactualFrailtyHumansPostoperative ComplicationsRetrospective StudiesRisk AssessmentRisk FactorsSpinal NeoplasmsConceptsMetastatic 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 predictors
2021
Patient- and hospital-related risk factors for non-routine discharge after lumbar decompression and fusion for spondylolisthesis
Elsamadicy AA, Freedman IG, Koo AB, David W, Hengartner AC, Havlik J, Reeves BC, Hersh A, Pennington Z, Kolb L, Laurans M, Shin JH, Sciubba DM. Patient- and hospital-related risk factors for non-routine discharge after lumbar decompression and fusion for spondylolisthesis. Clinical Neurology And Neurosurgery 2021, 209: 106902. PMID: 34481141, DOI: 10.1016/j.clineuro.2021.106902.Peer-Reviewed Original ResearchConceptsNon-routine dischargeDependent functional statusAdverse eventsIndependent predictorsUnplanned readmissionLonger LOSSpinal decompressionLumbar spondylolisthesisFemale sexFunctional statusSurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databaseNon-Hispanic black race/ethnicityHospital-related risk factorsQuality Improvement Program databaseNon-Hispanic black raceICD-9-CM diagnosisBlack race/ethnicityMultivariate logistic regression modelNon-home dischargeHospital-related factorsImprovement Program databaseRetrospective cohort studyLength of stayProcedural Coding SystemCost 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 diagnosisThe Effects of Pulmonary Risk Factors on Hospital Resource Use After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis Correction
Elsamadicy AA, Freedman IG, Koo AB, David WB, Havlik J, Kundishora AJ, Sciubba DM, Kahle KT, DiLuna M. The Effects of Pulmonary Risk Factors on Hospital Resource Use After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis Correction. World Neurosurgery 2021, 149: e737-e747. PMID: 33548534, DOI: 10.1016/j.wneu.2021.01.109.Peer-Reviewed Original ResearchConceptsPosterior spinal fusionAdolescent idiopathic scoliosisPreoperative pulmonary risk factorsPulmonary risk factorsLonger hospital stayRisk factorsUnplanned readmissionHospital stayDischarge dispositionSpinal fusionNational Surgical Quality Improvement Program Pediatric databaseSurgeons National Surgical Quality Improvement Program Pediatric databaseSignificant independent risk factorsAdolescent idiopathic scoliosis correctionRetrospective cohort studyIndependent risk factorHospital resource useLength of stayIdiopathic scoliosis correctionHigh rateLonger hospitalPostoperative complicationsCohort studyIntraoperative variablesPatient demographics
2020
Predictors of Extended Length of Stay Following Treatment of Unruptured Adult Cerebral Aneurysms: A Study of The National Inpatient Sample
Koo AB, Elsamadicy AA, Lin IH, David WB, Sujijantarat N, Santarosa C, Cord BJ, Zetchi A, Hebert R, Bahrassa F, Malhotra A, Matouk CC. Predictors of Extended Length of Stay Following Treatment of Unruptured Adult Cerebral Aneurysms: A Study of The National Inpatient Sample. Journal Of Stroke And Cerebrovascular Diseases 2020, 29: 105230. PMID: 33066916, DOI: 10.1016/j.jstrokecerebrovasdis.2020.105230.Peer-Reviewed Original ResearchMeSH KeywordsAgedComorbidityDatabases, FactualEndovascular ProceduresFemaleHospital CostsHumansInpatientsIntracranial AneurysmLength of StayMaleMicrosurgeryMiddle AgedOutcome and Process Assessment, Health CarePatient AdmissionPostoperative ComplicationsQuality Indicators, Health CareRisk AssessmentRisk FactorsTime FactorsTreatment OutcomeUnited StatesConceptsLOS cohortExtended LOSMultivariate logistic regressionUnruptured cerebral aneurysmsCerebral aneurysmsPreadmission comorbiditiesInpatient complicationsHospital stayMore patientsOdds ratioUnruptured aneurysmsHealthcare costsMultiple patient-specific factorsLogistic regressionOverall complication rateHospital-level factorsNon-routine dischargePatient-level factorsNational Inpatient SamplePatient-specific factorsOverall healthcare costsChoice of procedureIndex admissionPostoperative complicationsComplication rateRisk Factors for the Development of Post-Traumatic Hydrocephalus in Children
Elsamadicy AA, Koo AB, Lee V, David WB, Zogg CK, Kundishora AJ, Hong CS, DeSpenza T, Reeve BC, DiLuna M, Kahle KT. Risk Factors for the Development of Post-Traumatic Hydrocephalus in Children. World Neurosurgery 2020, 141: e105-e111. PMID: 32389871, PMCID: PMC7484270, DOI: 10.1016/j.wneu.2020.04.216.Peer-Reviewed Original ResearchConceptsTraumatic brain injuryRisk factorsBrain injuryNationwide Emergency Department Sample databasePost-traumatic hydrocephalusClinical risk factorsDevelopment of hydrocephalusNeurologic complicationsRespiratory complicationsPediatric patientsHydrocephalus developmentNinth RevisionSubarachnoid hemorrhageEmergency departmentSecondary diagnosisPrimary diagnosisSubdural hemorrhageClinical ModificationInternational ClassificationHydrocephalusHemorrhagePatientsBaseline returnSample databaseAge 6Influence of gender on discharge disposition after spinal fusion for adult spine deformity correction
Elsamadicy AA, Freedman IG, Koo AB, David WB, Lee M, Kundishora AJ, Kuzmik GA, Gorrepati R, Hong CS, Kolb L, Laurans M, Abbed K. Influence of gender on discharge disposition after spinal fusion for adult spine deformity correction. Clinical Neurology And Neurosurgery 2020, 194: 105875. PMID: 32388244, DOI: 10.1016/j.clineuro.2020.105875.Peer-Reviewed Original ResearchConceptsDischarge dispositionSpine deformity correctionSpinal fusionFemale cohortMale cohortDeformity correctionElective spine fusion surgeryNon-routine discharge dispositionNationwide Inpatient Sample databaseSpine surgical careSurgical site hematomaNon-routine dischargeElective spinal fusionICD-9 codesSpine fusion surgeryInfluence of genderPostoperative MIPostoperative UTIHospital staySite hematomaHospital factorsIndependent predictorsMale patientsFemale patientsFusion surgery
2018
Independent Associations With 30- and 90-Day Unplanned Readmissions After Elective Lumbar Spine Surgery: A National Trend Analysis of 144 123 Patients.
Elsamadicy AA, Ren X, Kemeny H, Charalambous L, Sergesketter AR, Rahimpour S, Williamson T, Goodwin CR, Abd-El-Barr MM, Gottfried ON, Xie J, Lad SP. Independent Associations With 30- and 90-Day Unplanned Readmissions After Elective Lumbar Spine Surgery: A National Trend Analysis of 144 123 Patients. Neurosurgery 2018, 84: 758-767. PMID: 29893899, DOI: 10.1093/neuros/nyy215.Peer-Reviewed Original ResearchConceptsElective lumbar spine surgeryChronic obstructive pulmonary disorderLumbar spine surgeryNational Readmission DatabaseUnplanned hospital readmissionPatient risk factorsUnplanned readmissionHospital readmissionSpine surgeryDeficiency anemiaInsurance statusRisk factorsElective spinal surgeryUnplanned readmission rateObstructive pulmonary disorderMultivariate regression analysisPaucity of dataInpatient complicationsNational healthcare expendituresReadmission ratesDural tearPulmonary disordersIndependent associationPatient outcomesSpinal surgery
2017
Drivers and Risk Factors of Unplanned 30‐Day Readmission Following Spinal Cord Stimulator Implantation
Elsamadicy AA, Sergesketter A, Ren X, Hussaini S, Laarakker A, Rahimpour S, Ejikeme T, Yang S, Pagadala P, Parente B, Xie J, Lad SP. Drivers and Risk Factors of Unplanned 30‐Day Readmission Following Spinal Cord Stimulator Implantation. Neuromodulation Technology At The Neural Interface 2017, 21: 87-92. PMID: 28961362, PMCID: PMC5766416, DOI: 10.1111/ner.12689.Peer-Reviewed Original ResearchConceptsSpinal cord stimulator implantationSCS implantationUnplanned readmissionIndependent predictorsPatient demographicsReadmission ratesMechanical complicationsStimulator implantationBaseline patient demographicsNational Readmission DatabaseReadmission statusNational healthcare expendituresPrimary outcomeHospital characteristicsRisk factorsPatient outcomesReadmissionMultivariate analysisPatientsSCS deviceHealthcare expendituresComorbiditiesImplantationComplicationsObesity