2018
Prevalence and Cost Analysis of Chronic Pain After Hernia Repair: A Potential Alternative Approach With Neurostimulation
Elsamadicy AA, Ashraf B, Ren X, Sergesketter AR, Charalambous L, Kemeny H, Ejikeme T, Yang S, Pagadala P, Parente B, Xie J, Pappas TN, Lad SP. Prevalence and Cost Analysis of Chronic Pain After Hernia Repair: A Potential Alternative Approach With Neurostimulation. Neuromodulation Technology At The Neural Interface 2018, 22: 960-969. PMID: 30320933, PMCID: PMC6465156, DOI: 10.1111/ner.12871.Peer-Reviewed Original ResearchConceptsChronic painInpatient/outpatientHernia repairPrescription costsCP cohortOutpatient costsIndex hernia repairPrevalence of CPChronic pain cohortHealthcare resource utilizationHealth care utilizationCurrent treatment paradigmsRetrospective longitudinal studyYears of ageLongitudinal multivariate analysisNonopioid treatmentPain prescriptionsCP diagnosisPain cohortCare utilizationDiagnosis yearTruven MarketScanPain diagnosisTreatment paradigmInclusion criteria
2017
Prevalence 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 analysisOutpatientsLong-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 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 providers
2016
The Effect of Patient Race on Extent of Functional Improvement After Cervical Spine Surgery
Elsamadicy A, Adogwa O, Reiser E, Fatemi P, Cheng J, Bagley C. The Effect of Patient Race on Extent of Functional Improvement After Cervical Spine Surgery. Spine 2016, 41: 822-826. PMID: 27128256, DOI: 10.1097/brs.0000000000001346.Peer-Reviewed Original ResearchConceptsNeck Disability IndexPatient-reported outcome measuresPhysical component scoreMental component scoreSF-12 mental component scoreSF-12 physical component scoreVisual analog pain scaleVAS neck painOutcome measuresWhite patientsSimilar improvementsDuke University Medical CenterPatient cohort 2Analog pain scaleAnterior cervical discectomyCervical spine surgeryNerve root injuryShort Form-12Clinical outcome dataLongitudinal cohort studyUniversity Medical CenterComponent scoresDisability IndexNeck painAdult patientsDo measures of surgical effectiveness at 1 year after lumbar spine surgery accurately predict 2-year outcomes?
Adogwa O, Elsamadicy AA, Han JL, Cheng J, Karikari I, Bagley CA. Do measures of surgical effectiveness at 1 year after lumbar spine surgery accurately predict 2-year outcomes? Journal Of Neurosurgery Spine 2016, 25: 689-696. PMID: 26722957, DOI: 10.3171/2015.8.spine15476.Peer-Reviewed Original ResearchConceptsTransforaminal lumbar interbody fusionLumbar spine surgeryAnterior lumbar interbody fusionLong-term outcomesLateral interbody fusionLumbar interbody fusionSpine surgeryInterbody fusionSurgical effectivenessOutcome measuresSF-36 physical component summary scorePhysical component summary scoreLongitudinal assessmentPatient-reported outcome instrumentsAchievement of MCIDMultiinstitutional prospective studyVAS leg painComponent summary scoresClinical outcome dataPatient-centered measuresLogistic regression modelingIneffective patient careInstitutional registryOutcomes RegistrySF-36