2023
Academic career progression in AANS/CNS Spine Section award recipients
Elsamadicy A, Sherman J, Craft S, Virk M, Elder B, Bonfield C, Snyder L, Ray W, Jones K, Ryu W. Academic career progression in AANS/CNS Spine Section award recipients. Journal Of Neurosurgery Spine 2023, 1-8. DOI: 10.3171/2023.7.spine23259.Peer-Reviewed Original ResearchConceptsAcademic medical centerPeer-reviewed journalsMedical CenterPeer-reviewed publicationsMean numberPrincipal investigatorMean h-indexAANS/CNS SectionNational InstituteFederal research fundingPeripheral nervesCNS SectionSpine surgeryOutstanding abstractsPrior recipientsMedical Research ProgramSubspecialty focusHealth fundingRecipientsAppointment statusNeurological SurgeonsPublication rateOne-thirdFaculty appointmentsProgressionNovel Standalone Motion-Sparing Pelvic Fixation Prevents Short-Term Insufficiency Fractures After Midsacrectomies Without Sacrificing Normal, Mobile Lumbar Segments Traditionally Used for Stabilization
Lo S, Pieters T, Hersh A, Green R, Suk I, Pennington Z, Elsamadicy A, Sciubba D. Novel Standalone Motion-Sparing Pelvic Fixation Prevents Short-Term Insufficiency Fractures After Midsacrectomies Without Sacrificing Normal, Mobile Lumbar Segments Traditionally Used for Stabilization. Operative Neurosurgery 2023, 25: 278-284. PMID: 37278692, DOI: 10.1227/ons.0000000000000767.Peer-Reviewed Original ResearchConceptsSacral insufficiency fracturesMobile lumbar segmentsInsufficiency fracturesPelvic fixationPartial sacrectomyLumbar segmentsMedian age 59 yearsPrimary malignant bone tumorAge 59 yearsTreatment of choiceMalignant bone tumorsComprehensive cancer centerRetrospective data setConcomitant placementAdverse eventsOverall survivalPrimary outcomeSacral tumorsHistorical cohortMobile spineRetrospective studyCancer CenterLumbopelvic fixationOperative characteristicsBone tumorsDifferences in Outcomes and Health Care Resource Utilization After Surgical Intervention for Metastatic Spinal Column Tumor in Safety-Net Hospitals
Elsamadicy A, Koo A, David W, Reeves B, Sherman J, Craft S, Hersh A, Duvall J, Lo S, Shin J, Mendel E, Sciubba D. Differences in Outcomes and Health Care Resource Utilization After Surgical Intervention for Metastatic Spinal Column Tumor in Safety-Net Hospitals. Spine 2023, 48: 800-809. PMID: 36972069, DOI: 10.1097/brs.0000000000004643.Peer-Reviewed Original ResearchConceptsSpinal column tumorsSNH statusPostoperative complicationsDischarge dispositionMultivariable analysisTumor surgeryMetastatic spinal tumor surgeryHealth care resource utilizationNationwide Inpatient Sample databaseICD-10-CM codingNonroutine discharge dispositionObservational cohort studySpinal tumor surgerySafety-net hospitalNonroutine dischargeSNH patientsHospital lengthStudy patientsAdult patientsCohort studyIntraoperative variablesExtended LOSIndependent predictorsLonger LOSProlonged hospitalizationPromoting diversity in neurosurgery through a virtual symposium.
Charles A, Seas A, Corley J, Duvall J, Owolo E, Abu-Bonsrah N, Elsamadicy A, Simpson V, Sanusi O, Holly L, Rodriguez A, Nduom E, Levi A, Liau L, Quiñones-Hinojosa A, Karikari I, Grant G, Fuller A, Goodwin C. Promoting diversity in neurosurgery through a virtual symposium. Journal Of Neurosurgery 2023, 139: 1101-1108. PMID: 36905659, DOI: 10.3171/2023.1.jns221743.Peer-Reviewed Original Research
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 decompressionUtility of expanded anterior column resection versus decompression-alone for local control in the management of carcinomatous vertebral column metastases undergoing adjuvant stereotactic radiotherapy
Pennington Z, Pairojboriboon S, Chen X, Sacino A, Elsamadicy AA, de la Garza Ramos R, Patel J, Elder BD, Kleinberg LR, Sciubba DM, Redmond KJ, Lo SL. Utility of expanded anterior column resection versus decompression-alone for local control in the management of carcinomatous vertebral column metastases undergoing adjuvant stereotactic radiotherapy. The Spine Journal 2021, 22: 835-846. PMID: 34718175, DOI: 10.1016/j.spinee.2021.10.016.Peer-Reviewed Original ResearchConceptsStereotactic body radiotherapyLong-term local controlLocal recurrenceLocal controlAnterior columnTumor pathologyCommon primary tumor typesSingle comprehensive cancer centerAdjuvant stereotactic radiotherapySpinal column metastasesVertebral Column MetastasesRetrospective cohort studyLocal control ratePrimary tumor typeLocal tumor recurrenceComprehensive cancer centerKaplan-Meier functionInvasive surgical techniquesEpidural removalAdjuvant radiotherapySurgical debulkingCohort studyDisease resectionSpinal metastasesTumor involvementRacial 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 ratioPatient- 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 SystemA Web-Based Calculator for Predicting the Occurrence of Wound Complications, Wound Infection, and Unplanned Reoperation for Wound Complications in Patients Undergoing Surgery for Spinal Metastases
Hersh AM, Feghali J, Hung B, Pennington Z, Schilling A, Antar A, Patel J, Ehresman J, Cottrill E, Lubelski D, Elsamadicy AA, Goodwin CR, Lo SL, Sciubba DM. A Web-Based Calculator for Predicting the Occurrence of Wound Complications, Wound Infection, and Unplanned Reoperation for Wound Complications in Patients Undergoing Surgery for Spinal Metastases. World Neurosurgery 2021, 155: e218-e228. PMID: 34403800, DOI: 10.1016/j.wneu.2021.08.041.Peer-Reviewed Original ResearchConceptsLow platelet countWound complicationsPlatelet countUnplanned reoperationWound infectionRevision surgeryWeb-based calculatorIncision lengthHigher CCIHigher Charlson comorbidity indexSingle comprehensive cancer centerKarnofsky Performance Scale scoreLonger incision lengthCharlson Comorbidity IndexWound-related complicationsIndependent predictive factorsSurgical site infectionMultivariable logistic regressionPerformance Scale scoreComprehensive cancer centerOptimism-corrected areaPoor health statusComorbidity indexIndex surgeryMetastasis surgeryDrivers of Readmission and Reoperation After Surgery for Vertebral Column Metastases
Patel J, Pennington Z, Hersh AM, Hung B, Schilling A, Antar A, Elsamadicy AA, de la Garza Ramos R, Lubelski D, Larry Lo SF, Sciubba DM. Drivers of Readmission and Reoperation After Surgery for Vertebral Column Metastases. World Neurosurgery 2021, 154: e806-e814. PMID: 34389529, DOI: 10.1016/j.wneu.2021.08.015.Peer-Reviewed Original ResearchConceptsCharlson Comorbidity IndexSpinal metastasis surgeryComprehensive cancer centerUnplanned reoperationMedical comorbiditiesMetastasis surgeryIndependent predictorsUnplanned readmissionWound infectionCancer CenterDrivers of readmissionsLonger index admissionsVertebral Column MetastasesBaseline laboratory valuesMultivariable logistic regressionLength of stayPopulation of adultsOutcomes of interestWound healing factorsComorbidity indexIndex admissionVenous thromboembolismLocal recurrenceSurgical morbidityMultivariable analysisImpact 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 diagnosisFenestrated pedicle screws for thoracolumbar instrumentation in patients with poor bone quality: Case series and systematic review of the literature
Ehresman J, Pennington Z, Elsamadicy AA, Hersh A, Lubelski D, Lehner K, Cottrill E, Schilling A, Lakomkin N, Ahmed AK, Lo SF, Sciubba DM. Fenestrated pedicle screws for thoracolumbar instrumentation in patients with poor bone quality: Case series and systematic review of the literature. Clinical Neurology And Neurosurgery 2021, 206: 106675. PMID: 34020324, DOI: 10.1016/j.clineuro.2021.106675.Peer-Reviewed Original ResearchConceptsPulmonary cement embolismFenestrated pedicle screwsCement leakageBone qualityCement embolismInstrumented fusionHardware looseningOsteoporotic fracturesPedicle screwsSystematic reviewSymptomatic pulmonary cement embolismNon-augmented patientsSingle-surgeon seriesDegenerative spine diseaseHigh-quality evidencePoor bone qualityEndpoints of interestLow reported ratesPathologic fractureCase seriesSpine metastasesFenestrated screwsSpine diseasePRISMA guidelinesPatientsImpact 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 patientsRace 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 ModificationReadmissionCost 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 predictorsSomatic NF1 mutations in pituitary adenomas: Report of two cases
Hong CS, Kundishora AJ, Elsamadicy AA, Koo AB, McGuone D, Inzucchi SE, Omay SB, Erson-Omay EZ. Somatic NF1 mutations in pituitary adenomas: Report of two cases. Cancer Genetics 2021, 256: 26-30. PMID: 33862521, DOI: 10.1016/j.cancergen.2021.03.004.Peer-Reviewed Original ResearchPost-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