2022
Utilization of Machine Learning to Model Important Features of 30-day Readmissions following Surgery for Metastatic Spinal Column Tumors: The Influence of Frailty
Elsamadicy A, Koo A, Reeves B, Cross J, Hersh A, Hengartner A, Karhade A, Pennington Z, Akinduro O, Lo S, Gokaslan Z, Shin J, Mendel E, Sciubba D. Utilization of Machine Learning to Model Important Features of 30-day Readmissions following Surgery for Metastatic Spinal Column Tumors: The Influence of Frailty. Global Spine Journal 2022, 14: 1227-1237. PMID: 36318478, PMCID: PMC11289550, DOI: 10.1177/21925682221138053.Peer-Reviewed Original ResearchHospital Frailty Risk ScoreSpinal column tumorsFrailty Risk ScoreInfluence of frailtySpinal column metastasesProportion of patientsRetrospective cohort studyNationwide Readmissions DatabaseRisk of readmissionMultivariate regression analysisIntermediate frailtyAdult patientsCohort studyIndependent predictorsSurgical interventionSpine surgeryReadmissionPatient readmissionRisk scorePatientsFrailtySurgeryCohortTumorsRegression analysis
2020
Geographic Variation in Outcomes and Costs After Spinal Fusion for Adolescent Idiopathic Scoliosis
Koo AB, Elsamadicy AA, Kundishora AJ, David WB, Lee M, Hong CS, Lee V, Kahle KT, DiLuna M. Geographic Variation in Outcomes and Costs After Spinal Fusion for Adolescent Idiopathic Scoliosis. World Neurosurgery 2020, 136: e347-e354. PMID: 31917315, DOI: 10.1016/j.wneu.2019.12.175.Peer-Reviewed Original ResearchConceptsAdolescent idiopathic scoliosisLength of surgeryAdolescent patientsSpinal fusionIdiopathic scoliosisMultilevel posterior spinal fusionHealth care resource utilizationGreater complication ratePosterior spinal fusionPosterior spinal surgeryPostoperative complicationsComplication ratePrimary outcomeAIS patientsSpinal surgeryPatientsSurgeryAdmissionRegional variationComplicationsFurther studiesOutcomesCohortScoliosisTotal cost
2017
Institutional Review of Mortality in 5434 Consecutive Neurosurgery Patients: Are We Improving?
Elsamadicy AA, Sergesketter A, Sampson JH, Gottfried ON. Institutional Review of Mortality in 5434 Consecutive Neurosurgery Patients: Are We Improving? Neurosurgery 2017, 83: 1269-1276. PMID: 29300938, DOI: 10.1093/neuros/nyx603.Peer-Reviewed Original ResearchConceptsRisk of mortalityCase mix indexSeverity of illnessPostintervention cohortMortality indexQuality InitiativeNeurosurgical serviceDiagnosis-related group codesPre-intervention cohortQuality improvement interventionsEtiology of mortalityHigher case mix indexMajor academic institutionHospital dischargeInpatient mortalityTrauma admissionsNeurosurgery patientsProcedure typeMortality casesInstitutional reviewImprovement interventionsMortalityCohortNeurosurgery inpatientsObserved mortality