2022
Comparison of postoperative outcomes in patients with and without osteoporosis undergoing single-level anterior cervical discectomy and fusion
Kammien AJ, Galivanche AR, Joo PY, Elaydi A, Whang P, Saifi C, Grauer JN, Varthi A. Comparison of postoperative outcomes in patients with and without osteoporosis undergoing single-level anterior cervical discectomy and fusion. North American Spine Society Journal (NASSJ) 2022, 12: 100174. PMID: 36299450, PMCID: PMC9589019, DOI: 10.1016/j.xnsj.2022.100174.Peer-Reviewed Original ResearchSingle-level anterior cervical discectomyAnterior cervical discectomyAdverse eventsCervical discectomySingle-level ACDF proceduresSurgical planningComorbidity-matched patientsPerioperative adverse eventsSingle-level ACDFLog-rank analysisLong-term outcomesNational administrative databaseSetting of osteoporosisACDF proceduresConcomitant proceduresPatient characteristicsPostoperative outcomesGraft subsidenceOsteoporosis groupBony unionPatient counselingPatient counsellingAdministrative databasesReoperationExclusion criteriaCharacteristics, Management, and Outcomes of Patients With Osteosarcoma: An Analysis of Outcomes From the National Cancer Database
Ottesen TD, Shultz BN, Munger AM, Sibindi C, Yurter A, Varthi AG, Grauer JN. Characteristics, Management, and Outcomes of Patients With Osteosarcoma: An Analysis of Outcomes From the National Cancer Database. JAAOS Global Research And Reviews 2022, 6: e22.00009. PMID: 35192571, PMCID: PMC8865506, DOI: 10.5435/jaaosglobal-d-22-00009.Peer-Reviewed Original ResearchConceptsLikelihood of deathDistant metastasisKaplan-Meier survival curvesNational Cancer DatabaseOutcomes of patientsPoor prognostic signMultivariate Cox analysisMeier survival curvesAnalysis of outcomesPatient characteristicsCox analysisPrognostic signSurgical excisionMale sexPatient survivalPatient numbersCancer DatabasePatient variablesTumor managementPrimary siteTumor typesSurvival curvesTreatment dataOsteosarcomaPatients
2016
Perioperative Outcomes After Cervical Laminoplasty Versus Posterior Decompression and Fusion
Varthi AG, Basques BA, Bohl DD, Golinvaux NS, Grauer JN. Perioperative Outcomes After Cervical Laminoplasty Versus Posterior Decompression and Fusion. Clinical Spine Surgery A Spine Publication 2016, 29: e226-e232. PMID: 25310393, DOI: 10.1097/bsd.0000000000000183.Peer-Reviewed Original ResearchConceptsMultilevel cervical pathologyBaseline patient characteristicsCervical laminoplastyShort-term outcomesPosterior decompressionLaminoplasty patientsFusion patientsCervical decompressionAdverse eventsPatient characteristicsCervical pathologySurgeons National Surgical Quality Improvement Program databaseNational Surgical Quality Improvement Program databasePropensity-adjusted multivariate analysisQuality Improvement Program databaseWorse short-term outcomesCharlson Comorbidity IndexPosterior cervical decompressionRetrospective cohort studyImprovement Program databaseLength of stayBivariate logistic regressionAnesthesiologists (ASA) scoreComorbidity indexPerioperative outcomes
2014
Patient Characteristics Associated With Increased Postoperative Length of Stay and Readmission After Elective Laminectomy for Lumbar Spinal Stenosis
Basques BA, Varthi AG, Golinvaux NS, Bohl DD, Grauer JN. Patient Characteristics Associated With Increased Postoperative Length of Stay and Readmission After Elective Laminectomy for Lumbar Spinal Stenosis. Spine 2014, 39: 833-840. PMID: 24525996, PMCID: PMC4006290, DOI: 10.1097/brs.0000000000000276.Peer-Reviewed Original ResearchConceptsLumbar spinal stenosisAnesthesiologists class 3Independent risk factorBody mass indexSpinal stenosisRisk factorsElective laminectomyPostoperative lengthPatient characteristicsReadmission analysisMass indexAmerican CollegeNational Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement Program databaseSurgeons National Surgical Quality Improvement ProgramNational Surgical Quality Improvement ProgramSurgical site-related infectionsQuality Improvement Program databaseSurgical Quality Improvement ProgramAverage postoperative LOSImprovement Program databaseAmerican SocietyQuality Improvement ProgramClass 3Preoperative hematocrit