2021
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
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 ModificationReadmission
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 rate
2019
Rate of instrumentation changes on postoperative and follow-up radiographs after primary complex spinal fusion (five or more levels) for adult deformity correction.
Elsamadicy AA, Lubkin DT, Sergesketter AR, Adil SM, Charalambous LT, Drysdale N, Williamson T, Camara-Quintana J, Abd-El-Barr MM, Goodwin CR, Karikari IO. Rate of instrumentation changes on postoperative and follow-up radiographs after primary complex spinal fusion (five or more levels) for adult deformity correction. Journal Of Neurosurgery Spine 2019, 30: 376-381. PMID: 30641841, DOI: 10.3171/2018.9.spine18686.Peer-Reviewed Original ResearchConceptsPrimary complex spinal fusionComplex spinal fusionSpinal fusionSpine surgeryDeformity correctionAdult deformity correctionCost-conscious healthcareMethodsThe medical recordsPostoperative complication rateMean lengthBody mass indexFollow-up radiographsRevision of surgeryComplex spine surgeryMajor academic institutionHospital stayAdult patientsComplication ratePatient demographicsReadmission ratesBlood lossPrimary outcomeMass indexEarly radiographsPostoperative radiographs
2018
Minimally Invasive Lateral Access Surgery and Reoperation Rates: A Multi-Institution Retrospective Review of 2060 Patients
Nayar G, Wang T, Sankey EW, Berry-Candelario J, Elsamadicy AA, Back A, Karikari I, Isaacs R. Minimally Invasive Lateral Access Surgery and Reoperation Rates: A Multi-Institution Retrospective Review of 2060 Patients. World Neurosurgery 2018, 116: e744-e749. PMID: 29787875, DOI: 10.1016/j.wneu.2018.05.082.Peer-Reviewed Original ResearchConceptsRate of reoperationLateral access surgeryLumbar spine surgeryMore comorbiditiesSurgical approachSpine surgeryDecompressive lumbar spine surgeryElective lumbar spinal surgeryMulti-institution retrospective reviewAccess surgeryLower body mass indexLumbar spinal surgeryBody mass indexOpen posterior approachHealth care systemOnly significant predictorAdditional readmissionsLT cohortOP cohortOP surgeryReoperation ratePatient demographicsSurgical complicationsRetrospective reviewMass indexInfluence of racial disparities on patient-reported satisfaction and short- and long-term perception of health status after elective lumbar spine surgery.
Elsamadicy AA, Kemeny H, Adogwa O, Sankey EW, Goodwin CR, Yarbrough CK, Lad SP, Karikari IO, Gottfried ON. Influence of racial disparities on patient-reported satisfaction and short- and long-term perception of health status after elective lumbar spine surgery. Journal Of Neurosurgery Spine 2018, 29: 40-45. PMID: 29701564, DOI: 10.3171/2017.12.spine171079.Peer-Reviewed Original ResearchMeSH KeywordsBlack or African AmericanDiagnostic Self EvaluationDisability EvaluationElective Surgical ProceduresFemaleHealth StatusHealthcare DisparitiesHumansLumbar VertebraeMaleMiddle AgedPainPatient Reported Outcome MeasuresPatient SatisfactionPrevalenceProspective StudiesRetrospective StudiesSelf ConceptTime FactorsWhite PeopleConceptsElective lumbar spine surgeryPatient-reported outcomesLumbar spine surgerySpine surgeryPatient satisfactionRacial disparitiesPatient demographicsReadmission ratesWhite patientsAA patientsMedical recordsLong-term patient-reported outcomesOverall patient-reported outcomeGreater body mass indexBaseline patient demographicsInferior surgical outcomesVAS-LP scoresPatient-reported satisfactionOverall patient satisfactionBody mass indexVisual analog scaleAfrican American patientsPatient-specific factorsPatient satisfaction measuresPerception of health
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 expendituresComorbiditiesImplantationComplicationsObesityLong-term Cost Utility of Spinal Cord Stimulation in Patients with Failed Back Surgery Syndrome.
Farber SH, Han JL, Elsamadicy AA, Hussaini Q, Yang S, Pagadala P, Parente B, Xie J, Lad SP. Long-term Cost Utility of Spinal Cord Stimulation in Patients with Failed Back Surgery Syndrome. Pain Physician 2017, 20: e797-e805. PMID: 28934786, PMCID: PMC8358894, DOI: 10.36076/ppj.20.5.e797.Peer-Reviewed Original ResearchConceptsConventional medical managementSpinal cord stimulationFBSS patientsSurgery syndromeCord stimulationSCS systemCost utilityFailed Back Surgery SyndromeBack surgery syndromePrior back surgeryGEE modelHealth care utilizationRandomized clinical trialsConventional managementLongitudinal GEE modelsTime of implantationLeg painSCS implantationBack painCare utilizationLong followMedical managementSignificant morbidityBack surgeryTreatment optionsImpact of Gender Disparities on Short-Term and Long-Term Patient Reported Outcomes and Satisfaction Measures After Elective Lumbar Spine Surgery: A Single Institutional Study of 384 Patients
Elsamadicy AA, Reddy GB, Nayar G, Sergesketter A, Zakare-Fagbamila R, Karikari IO, Gottfried ON. Impact of Gender Disparities on Short-Term and Long-Term Patient Reported Outcomes and Satisfaction Measures After Elective Lumbar Spine Surgery: A Single Institutional Study of 384 Patients. World Neurosurgery 2017, 107: 952-958. PMID: 28743671, DOI: 10.1016/j.wneu.2017.07.082.Peer-Reviewed Original ResearchConceptsElective lumbar spine surgeryLumbar spine surgeryVisual analog scaleSpine surgeryMale cohortPerception of healthFemale cohortAnalog scaleMean changeBaseline patient-reported outcome measuresVisual analog scale leg painEuroQol 5 dimensions questionnairePatient-reported outcome measuresPatient-reported outcome instrumentsBaseline patient demographicsLonger hospital stayOswestry Disability IndexSingle institutional studyOverall patient satisfactionLong-term patientsPatient-reported outcomesPatient satisfaction measuresPaucity of dataSpine OutcomesDisability Index30-Day Readmission After Spine Surgery
Adogwa O, Elsamadicy AA, Han JL, Karikari IO, Cheng J, Bagley CA. 30-Day Readmission After Spine Surgery. Spine 2017, 42: 520-524. PMID: 28350632, DOI: 10.1097/brs.0000000000001779.Peer-Reviewed Original ResearchConceptsElective spine surgeryUnplanned readmissionSpine surgeryEarly readmissionHospital stayUnplanned early readmissionsCauses of readmissionDays of dischargeRetrospective cohort reviewMajority of patientsCommon primary reasonsPost-discharge careDuke University HospitalSkilled nursing facilitiesQuality of careNonsurgical complicationsRefractory painCohort reviewDischarge careLumbar decompressionSD ageEmergency departmentUniversity HospitalRisk factorsCommon causeRisk Factors and Independent Predictors of 30-Day Readmission for Altered Mental Status After Elective Spine Surgery for Spine Deformity: A Single-Institutional Study of 1090 Patients
Elsamadicy AA, Adogwa O, Reddy GB, Sergesketter A, Warwick H, Jones T, Cheng J, Bagley CA, Karikari IO. Risk Factors and Independent Predictors of 30-Day Readmission for Altered Mental Status After Elective Spine Surgery for Spine Deformity: A Single-Institutional Study of 1090 Patients. World Neurosurgery 2017, 101: 270-274. PMID: 28192260, DOI: 10.1016/j.wneu.2017.02.001.Peer-Reviewed Original ResearchConceptsElective spine surgeryPostoperative complication rateIndependent predictorsSpine surgeryComplication rateSpine deformityRisk factorsAMS cohortPatient demographicsMental statusInferior surgical outcomesAltered mental statusMultivariate stepwise regression analysisIntensive care unitMajor academic institutionICU transferAdult patientsIntraoperative variablesPulmonary embolismPrimary outcomeCare unitSurgical outcomesMedical recordsReadmissionPatientsImpact of Intraoperative Monitoring During Elective Complex Spinal Fusions (≥4 Levels) on 30-Day Complication and Readmission Rates: A Single-Institutional Study of 643 Adult Patients with Spinal Deformity
Elsamadicy AA, Adogwa O, Lydon E, Reddy G, Kaakati R, Sergesketter A, Gottfried ON, Karikari IO. Impact of Intraoperative Monitoring During Elective Complex Spinal Fusions (≥4 Levels) on 30-Day Complication and Readmission Rates: A Single-Institutional Study of 643 Adult Patients with Spinal Deformity. World Neurosurgery 2017, 101: 283-288. PMID: 28192259, DOI: 10.1016/j.wneu.2017.02.002.Peer-Reviewed Original ResearchConceptsComplex spinal fusionIntraoperative monitoringPostoperative complicationsReadmission ratesSpinal fusionAdult patientsSpinal deformityUse of IOMIntensive care unit transferSimilar postoperative complicationsBody mass indexOverall surgical outcomeSpinal cord injuryMajor academic institutionIOM useHospital stayComplication rateNerve injuryPatient demographicsTranscranial motorPrimary outcomeMass indexOperative timeSensorimotor deficitsSmoking status