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 time
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 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 predictors
2021
Impact 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 analysis
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 patientsAssociated risk factors for extended length of stay following anterior cervical discectomy and fusion for cervical spondylotic myelopathy
Elsamadicy AA, Koo AB, Lee M, David WB, Kundishora AJ, Robert SM, Kuzmik GA, Coutinho PO, Kolb L, Laurans M, Abbed K. Associated risk factors for extended length of stay following anterior cervical discectomy and fusion for cervical spondylotic myelopathy. Clinical Neurology And Neurosurgery 2020, 195: 105883. PMID: 32428797, DOI: 10.1016/j.clineuro.2020.105883.Peer-Reviewed Original ResearchConceptsCervical spondylotic myelopathyHospital-level factorsLOS cohortAnterior cervical discectomyExtended LOSMultivariate logistic regressionSpondylotic myelopathyPostoperative complicationsCervical discectomyBlood transfusionOdds ratioNational Inpatient Sample databaseLogistic regressionFurther investigational studiesOverall complication rateNon-routine dischargeAssociated risk factorsNational cohort studyNumber of complicationsRisk-adjusted LOSGreater overall costsLow socioeconomic statusPaucity of literatureHospital LOSHospital stayInfluence 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
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
2017
The Impact of Chronic Kidney Disease on Postoperative Outcomes in Patients Undergoing Lumbar Decompression and Fusion
Adogwa O, Elsamadicy AA, Sergesketter A, Oyeyemi D, Galan D, Vuong VD, Khalid S, Cheng J, Bagley CA, Karikari IO. The Impact of Chronic Kidney Disease on Postoperative Outcomes in Patients Undergoing Lumbar Decompression and Fusion. World Neurosurgery 2017, 110: e266-e270. PMID: 29109065, DOI: 10.1016/j.wneu.2017.10.147.Peer-Reviewed Original ResearchConceptsChronic kidney diseaseCKD groupPatient demographicsKidney diseaseLumbar arthrodesisPreoperative chronic kidney diseaseInferior perioperative outcomesLumbar spine decompressionPostoperative complication profileLength of surgeryPostoperative complication rateEpisode of deliriumUrinary tract infectionDeep vein thrombosisBody mass indexIntensive care unitMajor academic institutionPerioperative complicationsPerioperative outcomesPostoperative complicationsPrimary endpointAdult patientsComplication rateLumbar decompressionPostoperative outcomesDrivers 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 expendituresComorbiditiesImplantationComplicationsObesityDepression as an independent predictor of postoperative delirium in spine deformity patients undergoing elective spine surgery.
Elsamadicy AA, Adogwa O, Lydon E, Sergesketter A, Kaakati R, Mehta AI, Vasquez RA, Cheng J, Bagley CA, Karikari IO. Depression as an independent predictor of postoperative delirium in spine deformity patients undergoing elective spine surgery. Journal Of Neurosurgery Spine 2017, 27: 209-214. PMID: 28574333, DOI: 10.3171/2017.4.spine161012.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAge FactorsComorbidityDecompression, SurgicalDeliriumDepressionElective Surgical ProceduresFemaleHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisOperative TimePostoperative ComplicationsPrognosisRetrospective StudiesRisk FactorsSpinal CurvaturesSpinal FusionSpineConceptsElective spine surgeryMultivariate logistic regression analysisPostoperative deliriumIndependent risk factorPostoperative complication rateSpine surgeryLogistic regression analysisPatient demographicsComplication rateIndependent predictorsDeformity patientsRisk factorsDepression groupAffective disordersSuperficial surgical site infectionSignificant between-group differencesInferior surgical outcomesPostoperative delirium rateResults Patient demographicsInitial hospital stayProportion of patientsRate of complicationsSurgical site infectionUrinary tract infectionDeep vein thrombosisImpact of Obesity on Complications and 30-Day Readmission Rates After Cranial Surgery: A Single-Institutional Study of 224 Consecutive Craniotomy/Craniectomy Procedures
Sergesketter A, Elsamadicy AA, Gottfried ON. Impact of Obesity on Complications and 30-Day Readmission Rates After Cranial Surgery: A Single-Institutional Study of 224 Consecutive Craniotomy/Craniectomy Procedures. World Neurosurgery 2017, 100: 244-249. PMID: 28093346, DOI: 10.1016/j.wneu.2017.01.019.Peer-Reviewed Original ResearchConceptsImpact of obesityBody mass indexReadmission ratesCranial surgeryPostoperative complicationsMass indexSurgical outcomesPreoperative body mass indexMean body mass indexBaseline patient characteristicsEffect of obesityPrevalence of obesityMajor academic institutionHospital stayMost patientsObese cohortObese patientsPatient characteristicsSurgical complicationsBlood lossConsecutive patientsNonobese cohortPrimary outcomeTumor excisionMedical recordsImpact of Affective Disorders on Recovery of Baseline Function in Patients Undergoing Spinal Surgery: A Single Institution Study of 275 Patients
Nayar G, Elsamadicy AA, Zakare-Fagbamila R, Farquhar J, Gottfried ON. Impact of Affective Disorders on Recovery of Baseline Function in Patients Undergoing Spinal Surgery: A Single Institution Study of 275 Patients. World Neurosurgery 2017, 100: 69-73. PMID: 28057592, DOI: 10.1016/j.wneu.2016.12.098.Peer-Reviewed Original ResearchMeSH KeywordsComorbidityDecompression, SurgicalElective Surgical ProceduresFemaleHumansLength of StayMaleMiddle AgedMood DisordersMultivariate AnalysisPatient ReadmissionPatient Reported Outcome MeasuresPostoperative ComplicationsProspective StudiesRecovery of FunctionRegression AnalysisRetrospective StudiesRisk FactorsSelf ReportSpineConceptsDecompressive spinal surgeryIndependent risk factorSpinal surgeryAffective disordersRisk factorsOutcome measuresBaseline functionPatient-reported outcome measuresPoor baseline qualitySpinal surgery patientsWorse postoperative outcomesSingle-institution studyMain outcome measuresSelf-reported recoveryRegression analysisMultivariate regression analysisMajor academic institutionBaseline demographicsPerioperative variablesPostoperative outcomesSurgery patientsMore smokersSurgical outcomesPostoperative expectationsControl cohort
2016
Patient Body Mass Index is an Independent Predictor of 30-Day Hospital Readmission After Elective Spine Surgery
Elsamadicy AA, Adogwa O, Vuong VD, Mehta AI, Vasquez RA, Cheng J, Karikari IO, Bagley CA. Patient Body Mass Index is an Independent Predictor of 30-Day Hospital Readmission After Elective Spine Surgery. World Neurosurgery 2016, 96: 148-151. PMID: 27593714, DOI: 10.1016/j.wneu.2016.08.097.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedBody Mass IndexCase-Control StudiesComorbidityDecompression, SurgicalElective Surgical ProceduresFemaleHumansLength of StayLogistic ModelsLumbar VertebraeMaleMiddle AgedMultivariate AnalysisObesityPatient ReadmissionPneumoniaPostoperative ComplicationsRadiculopathyRisk FactorsSpinal DiseasesSpinal FusionSpinal StenosisSpondylolisthesisSurgical Wound InfectionUrinary Tract InfectionsConceptsElective spine surgeryBody mass indexPreoperative body mass indexMultivariate logistic regression analysisDays of dischargeIndependent risk factorHospital readmissionSpine surgeryLogistic regression analysisPreoperative obesityReadmission ratesIndependent predictorsMass indexRisk factorsEarly unplanned hospital readmissionPatient body mass indexUnplanned hospital readmissionPostoperative complication rateAppropriate risk stratificationPrevalence of obesityMajor academic medical centerAcademic medical centerRegression analysisHealth care climateIndex surgery