2025
Outcomes following single level posterior lumbar fusion in patients with systemic and discoid lupus: A retrospective national database study
Dhodapkar M, Halperin S, Day W, Saifi C, Rubio D, Koumpouras F, Grauer J, Varthi A. Outcomes following single level posterior lumbar fusion in patients with systemic and discoid lupus: A retrospective national database study. North American Spine Society Journal (NASSJ) 2025, 100604. DOI: 10.1016/j.xnsj.2025.100604.Peer-Reviewed Original ResearchPosterior lumbar fusionSystemic lupus erythematosusDiscoid lupus erythematosusSingle-level posterior lumbar fusionPostoperative adverse eventsMinor adverse eventsAdverse eventsIncreased oddsLupus erythematosusLumbar fusionDiagnosis of discoid lupus erythematosusCohort of systemic lupus erythematosusLevel posterior lumbar fusionsMultivariate analysisDiagnosis of systemic lupus erythematosusDiscoid lupus erythematosus patientsUrinary tract infectionPerioperative adverse outcomesSurgical site infectionAcute kidney injuryDeep vein thrombosisNational database studyHistory of infectionSampled adult patientsMultivariate logistic regression
2023
Is There Utility to Requiring Spine MRI Pre-authorizations? Pre-authorizations
Kebaish K, Galivanche A, Mercier M, Varthi A, Rubin L, Grauer J. Is There Utility to Requiring Spine MRI Pre-authorizations? Pre-authorizations. Clinical Spine Surgery A Spine Publication 2023, 36: 186-189. PMID: 36728293, DOI: 10.1097/bsd.0000000000001422.Peer-Reviewed Original ResearchConceptsSpine magnetic resonance imagingMagnetic resonance imagingSpine centerAcademic spine centerRetrospective cohort studySignificant increased oddsMultivariate logistic regressionPatient undergoing treatmentEventual dispositionInsurance carriersCohort studyIncreased oddsCommercial insurance carriersMRI requestsMRI ordersUndergoing treatmentBACKGROUND DATAGreater oddsPreauthorization processCommercial insuranceResonance imagingSpine scansLogistic regressionPreauthorizationScans
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