2023
Effects of delayed ambulation following posterior spinal fusion for adolescent idiopathic scoliosis: a single institutional study
Hengartner A, David W, Reeves B, Craft S, Boroumand S, Clappier M, Hansen J, Fernandez T, Koo A, Tuason D, DiLuna M, Elsamadicy A. Effects of delayed ambulation following posterior spinal fusion for adolescent idiopathic scoliosis: a single institutional study. Spine Deformity 2023, 11: 1127-1136. PMID: 37093449, DOI: 10.1007/s43390-023-00693-y.Peer-Reviewed Original ResearchConceptsPosterior spinal fusionAdolescent idiopathic scoliosisSpinal fusionPostoperative complicationsRisk factorsIdiopathic scoliosisMultivariate stepwise logistic regressionOral pain medicationTotal hospital lengthTwenty-nine patientsMethodsThe medical recordsSingle institutional studyStepwise logistic regressionMajor academic institutionHospital lengthHospital stayNine patientsPain medicationUnplanned readmissionIntraoperative variablesPatient demographicsPostoperative outcomesRBC transfusionHealthcare utilizationOperative timeImpact 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 patients
2022
Leveraging HFRS to assess how frailty affects healthcare resource utilization after elective ACDF for CSM
Elsamadicy AA, Koo AB, Sarkozy M, David WB, Reeves BC, Patel S, Hansen J, Sandhu MRS, Hengartner AC, Hersh A, Kolb L, Lo SL, Shin JH, Mendel E, Sciubba DM. Leveraging HFRS to assess how frailty affects healthcare resource utilization after elective ACDF for CSM. The Spine Journal 2022, 23: 124-135. PMID: 35988878, DOI: 10.1016/j.spinee.2022.08.004.Peer-Reviewed Original ResearchConceptsHighest Hospital Frailty Risk ScoresHospital Frailty Risk ScoreCervical spondylotic myelopathyNon-routine discharge dispositionDischarge dispositionElective ACDFFrail patientsExtended LOSHospital costsHealth care resource utilizationNationwide Inpatient Sample databaseMultivariate stepwise logistic regressionFrailty Risk ScorePeri-operative protocolSeverity of frailtyTotal admission costLonger hospital stayRetrospective cohort studyAnterior cervical discectomyCervical spine pathologyHealthcare resource utilizationNon-routine dischargeHigh complication rateTotal hospital costsSignificant independent predictors
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 ratioModified-frailty index does not independently predict complications, hospital length of stay or 30-day readmission rates following posterior lumbar decompression and fusion for spondylolisthesis
Elsamadicy AA, Freedman IG, Koo AB, David WB, Reeves BC, Havlik J, Pennington Z, Kolb L, Shin JH, Sciubba DM. Modified-frailty index does not independently predict complications, hospital length of stay or 30-day readmission rates following posterior lumbar decompression and fusion for spondylolisthesis. The Spine Journal 2021, 21: 1812-1821. PMID: 34010683, DOI: 10.1016/j.spinee.2021.05.011.Peer-Reviewed Original ResearchConceptsUnplanned readmissionAdverse eventsLumbar spinal decompressionHospital lengthReadmission ratesIndependent predictorsSpinal decompressionNational Surgical Quality Improvement Program databaseQuality Improvement Program databasePosterior lumbar spinal fusionChronic obstructive pulmonary diseaseMultivariate logistic regression analysisICD-9-CM diagnosisDependent functional statusHypertension requiring medicationInferior surgical outcomesLonger hospital stayRetrospective cohort studyImprovement Program databaseCongestive heart failureObstructive pulmonary diseaseSurgical adverse eventsSignificant independent predictorsLumbar spinal fusionProcedural Coding SystemImpact of race on outcomes and healthcare utilization following spinal fusion for adolescent idiopathic scoliosis
Elsamadicy AA, Koo AB, David WB, Freedman IG, Kundishora AJ, Hong CS, Sarkozy M, Sciubba DM, Kahle KT, DiLuna M. Impact of race on outcomes and healthcare utilization following spinal fusion for adolescent idiopathic scoliosis. Clinical Neurology And Neurosurgery 2021, 206: 106634. PMID: 33979695, DOI: 10.1016/j.clineuro.2021.106634.Peer-Reviewed Original ResearchConceptsPosterior spinal fusionPostoperative complicationsAdolescent idiopathic scoliosisPatient demographicsIdiopathic scoliosisAdolescent patientsSpine surgerySpinal fusionBlack cohortBaseline patient demographicsRate of complicationsMajority of patientsPosterior spine surgeryPosterior spinal surgeryMedian total costBaseline comorbiditiesHospital stayDischarge dispositionInpatient managementPostoperative outcomesBlood transfusionPrimary outcomeFemale patientsHealthcare utilizationHispanic patientsPost-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
Impact of Preoperative Anemia on Outcomes After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis
Elsamadicy AA, Freedman IG, Koo AB, David WB, Havlik J, Kundishora AJ, Hong CS, Sciubba DM, Kahle KT, DiLuna M. Impact of Preoperative Anemia on Outcomes After Posterior Spinal Fusion for Adolescent Idiopathic Scoliosis. World Neurosurgery 2020, 146: e214-e224. PMID: 33091648, DOI: 10.1016/j.wneu.2020.10.074.Peer-Reviewed Original ResearchConceptsPosterior spinal fusionAdolescent idiopathic scoliosisPreoperative anemiaAnemic cohortHospital stayReadmission ratesIndependent predictorsSpinal fusionIdiopathic scoliosisNational Surgical Quality Improvement Program Pediatric databaseSurgeons National Surgical Quality Improvement Program Pediatric databaseUnplanned reoperation rateLonger hospital stayRetrospective cohort studyThirty-day outcomesLonger operative timeLonger lengthPostoperative complicationsReoperation rateCohort studyDischarge dispositionComplication ratePediatric patientsTransfusion eventsOperative timeClinical and economic burden of neurofibromatosis type 2 in the United States
Koo AB, Yeung JT, Freedman IG, Lee JH, Ahmed OM, Ma AK, Miyagishima DF, DiLuna M, Kahle K. Clinical and economic burden of neurofibromatosis type 2 in the United States. Clinical Neurology And Neurosurgery 2020, 197: 106053. PMID: 32683193, DOI: 10.1016/j.clineuro.2020.106053.Peer-Reviewed Original ResearchConceptsOpen resectionPatient demographicsRisk factorsMeningioma resectionMulti-year cross-sectional studyNeurofibromatosis type 2 (NF2) patientsSpine tumor resectionCommon admission diagnosesNational Inpatient SampleType 2 patientsCross-sectional studySignificant independent associationNeurofibromatosis type 2Regression analysisInflation-adjusted costAdmission diagnosisHospital stayDischarge weightIndependent predictorsObstructive hydrocephalusSurgical interventionDiagnosis codesHospital characteristicsInpatient populationInpatient SamplePre-operative headaches and obstructive hydrocephalus predict an extended length of stay following suboccipital decompression for pediatric Chiari I malformation
Elsamadicy AA, Koo AB, David WB, Kundishora AJ, Hong CS, Sarkozy M, Kahle KT, DiLuna M. Pre-operative headaches and obstructive hydrocephalus predict an extended length of stay following suboccipital decompression for pediatric Chiari I malformation. Child's Nervous System 2020, 37: 91-99. PMID: 32519127, DOI: 10.1007/s00381-020-04688-2.Peer-Reviewed Original ResearchConceptsPediatric CM-I patientsExtended LOSMultivariate logistic regressionCM-I patientsObstructive hydrocephalusSurgical decompressionSuboccipital decompressionElectrolyte disordersRisk factorsHeadache symptomsHospital-level risk factorsLogistic regressionChiari malformation type IPediatric Chiari I malformationPost-operative complicationsImpact of patientChiari I malformationRisk-adjusted LOSYoung childrenAdmission comorbiditiesMethodsThe KidsPediatric CMHospital stayPatient comorbiditiesPatient demographicsRisk 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 6