2022
A novel online calculator to predict nonroutine discharge, length of stay, readmission, and reoperation in patients undergoing surgery for intramedullary spinal cord tumors
Hersh AM, Patel J, Pennington Z, Antar A, Goldsborough E, Porras JL, Feghali J, Elsamadicy AA, Lubelski D, Wolinsky JP, Jallo GI, Gokaslan ZL, Lo SL, Sciubba DM. A novel online calculator to predict nonroutine discharge, length of stay, readmission, and reoperation in patients undergoing surgery for intramedullary spinal cord tumors. The Spine Journal 2022, 22: 1345-1355. PMID: 35342014, DOI: 10.1016/j.spinee.2022.03.005.Peer-Reviewed Original ResearchConceptsIntramedullary spinal cord tumorsModified McCormick ScaleSpinal cord tumorsNonroutine dischargeDay readmissionIndependent predictorsWeb-based calculatorBowel dysfunctionNonhome dischargePatient demographicsCord tumorsIncision lengthHigher preoperative white blood cell countResection of ISCTsPreoperative white blood cell countStepwise multivariable logistic regression modelSingle comprehensive cancer centerWhite blood cell countMultivariable logistic regression modelRetrospective cohort study PATIENT SAMPLEBaseline neurological statusDays unplanned readmissionLonger incision lengthNovel online calculatorPreoperative neurological symptoms
2021
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
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 analysisThe 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
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
Correlation of 2-year SRS-22r and ODI patient-reported outcomes with 5-year patient-reported outcomes after complex spinal fusion: a 5-year single-institution study of 118 patients.
Adogwa O, Karikari IO, Elsamadicy AA, Sergesketter AR, Galan D, Bridwell KH. Correlation of 2-year SRS-22r and ODI patient-reported outcomes with 5-year patient-reported outcomes after complex spinal fusion: a 5-year single-institution study of 118 patients. Journal Of Neurosurgery Spine 2018, 29: 422-428. PMID: 29979138, DOI: 10.3171/2018.2.spine171142.Peer-Reviewed Original ResearchConceptsPatient-reported outcomesComplex spinal fusionSpinal fusionLong-term patient-reported outcomesBaseline patient-reported outcomesMental healthSRS-22r domainsSingle-institution studyLack of patientsSRS-22rAdult patientsAmbispective studyIntraoperative variablesPatient demographicsPrimary outcomeGreater absolute changeRevision surgeryRadiographic parametersProspective collectionCobb angleSpinal arthrodesisIliac fixationPatientsPRO dataPRO instrumentsMinimally 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 index
2017
Long-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 options