2022
Assessment of Spinal Metastases Surgery Risk Stratification Tools in Breast Cancer by Molecular Subtype
Duvall J, Massaad E, Siraj L, Kiapour A, Connolly I, Hadzipasic M, Elsamadicy A, Williamson T, Shankar G, Schoenfeld A, Fourman M, Shin J. Assessment of Spinal Metastases Surgery Risk Stratification Tools in Breast Cancer by Molecular Subtype. Neurosurgery 2022, 92: 83-91. PMID: 36305664, PMCID: PMC10158884, DOI: 10.1227/neu.0000000000002180.Peer-Reviewed Original ResearchConceptsHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Triple-negative breast cancerGrowth factor receptor 2Factor receptor 2Breast cancerHazard ratioSpine metastasesMolecular subtypesReceptor 2Retrospective multi-institutional studyHormone receptorsBreast cancer molecular subtypesPostoperative systemic therapySystemic treatment plansPoor physical activityRisk stratification toolSpinal metastasis surgeryCancer molecular subtypesMulti-institutional studyMassachusetts General HospitalMolecular featuresPostoperative chemotherapyBrain metastasesEndocrine therapy
2021
Fenestrated pedicle screws for thoracolumbar instrumentation in patients with poor bone quality: Case series and systematic review of the literature
Ehresman J, Pennington Z, Elsamadicy AA, Hersh A, Lubelski D, Lehner K, Cottrill E, Schilling A, Lakomkin N, Ahmed AK, Lo SF, Sciubba DM. Fenestrated pedicle screws for thoracolumbar instrumentation in patients with poor bone quality: Case series and systematic review of the literature. Clinical Neurology And Neurosurgery 2021, 206: 106675. PMID: 34020324, DOI: 10.1016/j.clineuro.2021.106675.Peer-Reviewed Original ResearchConceptsPulmonary cement embolismFenestrated pedicle screwsCement leakageBone qualityCement embolismInstrumented fusionHardware looseningOsteoporotic fracturesPedicle screwsSystematic reviewSymptomatic pulmonary cement embolismNon-augmented patientsSingle-surgeon seriesDegenerative spine diseaseHigh-quality evidencePoor bone qualityEndpoints of interestLow reported ratesPathologic fractureCase seriesSpine metastasesFenestrated screwsSpine diseasePRISMA guidelinesPatients
2020
Thirty- and 90-day Readmissions After Spinal Surgery for Spine Metastases
Elsamadicy AA, Koo AB, David WB, Zogg CK, Kundishora AJ, Hong CS, Kuzmik GA, Gorrepati R, Coutinho PO, Kolb L, Laurans M, Abbed K. Thirty- and 90-day Readmissions After Spinal Surgery for Spine Metastases. Spine 2020, 46: 828-835. PMID: 33394977, PMCID: PMC8278805, DOI: 10.1097/brs.0000000000003907.Peer-Reviewed Original ResearchConceptsSpine metastasesGenitourinary complicationsPostoperative infectionSpine surgeryRheumatoid arthritis/collagen vascular diseasesAcute post-hemorrhagic anemiaCollagen vascular diseaseRetrospective cohort studyUnplanned hospital readmissionNationwide Readmissions DatabasePatient-level factorsVulnerable patient groupSurgical treatment interventionMultivariate regression analysisFusion spine surgeryInpatient complicationsFrequent readmissionsUnplanned readmissionCohort studyRenal failureClinical factorsHospital readmissionSurgery typePatient groupVascular disease