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 ResearchMeSH KeywordsAwards and PrizesBiomedical ResearchFemaleHumansMaleNeurosurgeonsNeurosurgeryNeurosurgical ProceduresUnited StatesConceptsAcademic 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 appointmentsProgressionDifferences 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
2022
Differences 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 ResearchMeSH KeywordsAdultHealth ExpendituresHumansMood DisordersPatient Acceptance of Health CareRetrospective StudiesSpineUnited StatesConceptsLength 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 ratioPatient 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 ModificationReadmissionPost-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
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 ratePortending Influence of Racial Disparities on Extended Length of Stay after Elective Anterior Cervical Discectomy and Interbody Fusion for Cervical Spondylotic Myelopathy
Elsamadicy AA, Koo AB, David WB, Sarkozy M, Freedman IG, Reeves BC, Laurans M, Kolb L, Sciubba DM. Portending Influence of Racial Disparities on Extended Length of Stay after Elective Anterior Cervical Discectomy and Interbody Fusion for Cervical Spondylotic Myelopathy. World Neurosurgery 2020, 142: e173-e182. PMID: 32599203, DOI: 10.1016/j.wneu.2020.06.155.Peer-Reviewed Original ResearchMeSH KeywordsAgedBlack or African AmericanCerebrospinal Fluid LeakCervical VertebraeCohort StudiesComorbidityDiskectomyElective Surgical ProceduresFemaleHealthcare DisparitiesHumansIntraoperative ComplicationsLength of StayMaleMiddle AgedPostoperative ComplicationsPrevalenceRetrospective StudiesSpinal Cord CompressionSpinal FusionSpondylosisUnited StatesWhite PeopleConceptsCervical spondylotic myelopathyElective anterior cervical discectomyAnterior cervical discectomyAA cohortSpondylotic myelopathyCervical discectomyExtended LOSC cohortSignificant independent risk factorsNational Inpatient Sample databaseLonger hospital stayPrevalence of comorbiditiesRetrospective cohort studyIndependent risk factorNumber of complicationsAfrican AmericansElective ACDFNonroutine dischargeAA raceC patientsHospital stayAdult patientsCohort studyIndependent predictorsAA patientsPatient Risk Factors Associated With 30- and 90-Day Readmission After Cervical Discectomy
Elsamadicy AA, Koo AB, Lee M, Freedman IG, David WB, Kundishora AJ, Gorrepati R, Kuzmik GA, Camara-Quintana J, Qureshi T, Kolb L, Laurans M, Abbed K. Patient Risk Factors Associated With 30- and 90-Day Readmission After Cervical Discectomy. Clinical Spine Surgery A Spine Publication 2020, 33: e434-e441. PMID: 32568863, DOI: 10.1097/bsd.0000000000001030.Peer-Reviewed Original ResearchConceptsCervical disc arthroplastyLarge hospital bed sizeRetrospective cohort studyHospital bed sizeRisk factorsIndex admissionUnplanned readmissionCohort studyReadmission ratesAnterior cervical spine proceduresPatient-related risk factorsPatient-level risk factorsAnterior cervical decompressionCervical disc pathologyNationwide Readmissions DatabaseRate of readmissionCervical spine proceduresPatient risk factorsMultivariate regression analysisBed sizeCervical decompressionInitial hospitalizationCervical discectomyGenitourinary complicationsNinth RevisionThirty- 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
2019
Reduced Impact of Obesity on Short-Term Surgical Outcomes, Patient-Reported Pain Scores, and 30-Day Readmission Rates After Complex Spinal Fusion (≥7 Levels) for Adult Deformity Correction
Elsamadicy AA, Camara-Quintana J, Kundishora AJ, Lee M, Freedman IG, Long A, Qureshi T, Laurans M, Tomak P, Karikari IO. Reduced Impact of Obesity on Short-Term Surgical Outcomes, Patient-Reported Pain Scores, and 30-Day Readmission Rates After Complex Spinal Fusion (≥7 Levels) for Adult Deformity Correction. World Neurosurgery 2019, 127: e108-e113. PMID: 30876992, DOI: 10.1016/j.wneu.2019.02.165.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBody Mass IndexComorbidityDiabetes MellitusDyslipidemiasElective Surgical ProceduresFemaleHeart DiseasesHumansHypertensionLaminectomyLength of StayMaleMiddle AgedObesityPain, PostoperativePatient ReadmissionPatient Reported Outcome MeasuresPostoperative ComplicationsPrevalencePulmonary Disease, Chronic ObstructiveRetrospective StudiesSpinal DiseasesSpinal FusionTreatment OutcomeUnited StatesYoung AdultConceptsPatient-reported pain scoresComplex spinal fusionPain scoresImpact of obesityReadmission ratesSurgical outcomesDeformity correctionSpinal fusionAmbulatory statusPatient demographicsComplication ratePreoperative body mass indexPrimary complex spinal fusionShort-term surgical outcomesAdult deformity correctionInferior surgical outcomesPostoperative complication profileLength of surgeryPostoperative complication ratePrevalence of obesityBody mass indexPatient-reported outcomesComplex spinal surgeryPaucity of dataMajor academic institution
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 surgeryReview of Neurosurgery Medical Professional Liability Claims in the United States.
Elsamadicy AA, Sergesketter AR, Frakes MD, Lad SP. Review of Neurosurgery Medical Professional Liability Claims in the United States. Neurosurgery 2018, 83: 997-1006. PMID: 29325137, DOI: 10.1093/neuros/nyx565.Peer-Reviewed Original ResearchMeSH KeywordsHumansInsurance Claim ReviewInsurance, LiabilityLiability, LegalMalpracticeNeurosurgeonsNeurosurgeryUnited StatesConceptsMalpractice claimsPatient deathHealth care cost burdenOverall economic burdenIntervertebral disc disordersMedical Professional Liability ClaimsHigh-risk specialtiesSpinal canalSpinal cordDisc disordersMedical factorsOperative procedureMedical conditionsPhysician Insurers AssociationEconomic burdenPatient safetyProfessional liability claimsPrimary defendantsNeurosurgeonsCost burdenMedical malpractice reform
2017
Prevalence, healthcare resource utilization and overall burden of fungal meningitis in the United States
Charalambous LT, Premji A, Tybout C, Hunt A, Cutshaw D, Elsamadicy AA, Yang S, Xie J, Giamberardino C, Pagadala P, Perfect JR, Lad SP. Prevalence, healthcare resource utilization and overall burden of fungal meningitis in the United States. Journal Of Medical Microbiology 2017, 67: 215-227. PMID: 29244019, PMCID: PMC6557145, DOI: 10.1099/jmm.0.000656.Peer-Reviewed Original ResearchConceptsHealthcare resource utilizationFungal meningitisCryptococcal meningitisMeningitis patientsTruven Health Analytics MarketScan databaseLong-term morbidityLength of stayLarge longitudinal cohortHealth economic impactCandida meningitisLong followMarketScan databasePrimary diagnosisLongitudinal cohortOverall burdenCandidiasis patientsMeningitisHistoplasmosis patientsMeningitis diagnosisPatientsOriginal diagnosisSingle pathogenPrevalent typeDiagnosisUnited StatesComplications and 30-Day readmission rates after craniotomy/craniectomy: A single Institutional study of 243 consecutive patients
Elsamadicy AA, Sergesketter A, Adogwa O, Ongele M, Gottfried ON. Complications and 30-Day readmission rates after craniotomy/craniectomy: A single Institutional study of 243 consecutive patients. Journal Of Clinical Neuroscience 2017, 47: 178-182. PMID: 29031542, DOI: 10.1016/j.jocn.2017.09.021.Peer-Reviewed Original ResearchConceptsSensory/motor deficitsConsecutive patientsUnplanned readmissionReadmission ratesMotor deficitsMental statusPost-operative complication rateCommon presented symptomsHigher health care costsEarly hospital readmissionDays of dischargeCraniotomy/craniectomyHigher readmission ratesMajority of patientsSingle institutional studySkilled nursing facilitiesQuality of careHealth care costsHealth care dollarsMajor academic institutionComplication ratePatient demographicsSD ageCommon indicationHospital readmissionPrevalence and Cost Analysis of Complex Regional Pain Syndrome (CRPS): A Role for Neuromodulation
Elsamadicy AA, Yang S, Sergesketter AR, Ashraf B, Charalambous L, Kemeny H, Ejikeme T, Ren X, Pagadala P, Parente B, Xie J, Lad SP. Prevalence and Cost Analysis of Complex Regional Pain Syndrome (CRPS): A Role for Neuromodulation. Neuromodulation Technology At The Neural Interface 2017, 21: 423-430. PMID: 28961359, PMCID: PMC5876058, DOI: 10.1111/ner.12691.Peer-Reviewed Original ResearchConceptsComplex regional pain syndromeRegional pain syndromeCRPS diagnosisPain prescriptionsPain syndromeBaseline costsMedian costDiagnosis of CRPSOne-yearHealthcare resource utilizationHealthcare utilization costsOverall cost burdenRetrospective longitudinal studyPaucity of dataLongitudinal multivariate analysisUS healthcare systemBaseline characteristicsCRPS patientsTruven MarketScanPrescription costsTotal cumulative costsDiagnosis periodPatientsMultivariate analysisOutpatientsDrivers 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 expendituresComorbiditiesImplantationComplicationsObesityImpact of Insurance Provider on Overall Costs in Failed Back Surgery Syndrome: A Cost Study of 122,827 Patients
Elsamadicy AA, Farber SH, Yang S, Hussaini SMQ, Murphy KR, Sergesketter A, Suryadevara CM, Pagadala P, Parente B, Xie J, Lad SP. Impact of Insurance Provider on Overall Costs in Failed Back Surgery Syndrome: A Cost Study of 122,827 Patients. Neuromodulation Technology At The Neural Interface 2017, 20: 354-360. PMID: 28322477, PMCID: PMC5482408, DOI: 10.1111/ner.12584.Peer-Reviewed Original ResearchConceptsMedian total costSCS implantationFBSS patientsSurgery syndromeMedicare cohortFailed Back Surgery SyndromeManagement of FBSSBack surgery syndromeUnnecessary health care expendituresInsurance providersSpinal cord stimulationRetrospective longitudinal studySignificant differencesUS health care systemHealth care systemHealth care expendituresMedicaid cohortBaseline characteristicsCord stimulationTruven MarketScanCost differencesSpine surgeryMedicare patientsPatientsDifferent insurance providersPrevalence of Specific Types of Pain Diagnoses in a Sample of United States Adults.
Murphy KR, Han JL, Yang S, Hussaini SM, Elsamadicy AA, Parente B, Xie J, Pagadala P, Lad SP. Prevalence of Specific Types of Pain Diagnoses in a Sample of United States Adults. Pain Physician 2017, 20: e257-e268. PMID: 28158163, DOI: 10.36076/ppj.2017.e268.Peer-Reviewed Original ResearchMeSH KeywordsAdultBack PainChronic PainHumansInternational Classification of DiseasesPrevalenceRetrospective StudiesUnited StatesConceptsDegenerative spine diseasePain diagnosisPain conditionsLimb painBack painChronic painSpine diseaseComplex regional pain syndromePost-laminectomy painPost-laminectomy syndromeUnited States patient populationMedicare Supplemental databasesChronic pain conditionsRegional pain syndromeNon-randomized studiesSpecific pain diagnosesUnited States adultsHealth care servicesPain syndromePain patientsPatient populationTruven MarketScanPatient cohortRetrospective analysisPain