2024
Sustentaculum fracture fixation with lateral plate or medial screw fixation are equivalent
Roytman G, Salameh M, Rizzo S, Dhodapkar M, Tommasini S, Wiznia D, Yoo B. Sustentaculum fracture fixation with lateral plate or medial screw fixation are equivalent. Injury 2024, 55: 111532. PMID: 38614015, DOI: 10.1016/j.injury.2024.111532.Peer-Reviewed Original ResearchSubtalar jointCadaveric anklesSustentaculum tali fracturesFresh-frozen cadaveric anklesT-testAssess patient outcomesPaired t-testUn-paired t-testAnkle modelAnkleRight ankleLeft ankleMid-tibiaPatient outcomesRetrospective observational studyScrew fixationObservational studyMethod of fixationFracture fixationBiomechanical functionMedial approachBody massFixation methodsInterosseous ligamentNo significant differenceFabricating patient-specific 3D printed drill guides to treat femoral head avascular necrosis
Bell C, Feizi A, Roytman G, Ramji A, Tommasini S, Wiznia D. Fabricating patient-specific 3D printed drill guides to treat femoral head avascular necrosis. 3D Printing In Medicine 2024, 10: 10. PMID: 38564090, PMCID: PMC10986134, DOI: 10.1186/s41205-024-00208-z.Peer-Reviewed Original ResearchUsing Computed Tomography-Based Three-dimensional Modeling and Computer Navigation for Minimally Invasive Core Decompression and Adjuvant Orthobiologic Therapy of Femoral Head Avascular Necrosis
Feizi A, Bell C, Roytman G, Park N, Wang A, Tommasini S, Wiznia D. Using Computed Tomography-Based Three-dimensional Modeling and Computer Navigation for Minimally Invasive Core Decompression and Adjuvant Orthobiologic Therapy of Femoral Head Avascular Necrosis. Arthroplasty Today 2024, 26: 101337. PMID: 38497084, PMCID: PMC10940782, DOI: 10.1016/j.artd.2024.101337.Peer-Reviewed Original ResearchFemoral head avascular necrosisAvascular necrosisSurgical techniqueCore decompressionBone marrow aspirate concentrateDelay disease progressionOutcome of core decompressionAdjuvant therapyCellular therapyAspirate concentrateDisease progressionFemoral head collapseImprove outcomesLesionsDebilitating conditionTherapyComputer navigationNecrosisDecompressionHead collapseThree-dimensional modelFemoral headOff-the-Shelf Tibial Cone Sizes May Not Accommodate All Patients’ Bone Morphology and May Lead to Cortical Breaches in Revision Total Knee Arthroplasty: A 3D Modeling Study
Tung W, Kunsel K, Roytman G, Donnelley C, Pratola D, Tommasini S, Bernstein J, Wiznia D. Off-the-Shelf Tibial Cone Sizes May Not Accommodate All Patients’ Bone Morphology and May Lead to Cortical Breaches in Revision Total Knee Arthroplasty: A 3D Modeling Study. Arthroplasty Today 2024, 26: 101340. PMID: 38455865, PMCID: PMC10918480, DOI: 10.1016/j.artd.2024.101340.Peer-Reviewed Original ResearchThe feasibility of a novel 3D-Printed patient specific cutting guide for extended trochanteric osteotomies
Bergemann R, Roytman G, Ani L, Ramji A, Leslie M, Tommasini S, Wiznia D. The feasibility of a novel 3D-Printed patient specific cutting guide for extended trochanteric osteotomies. 3D Printing In Medicine 2024, 10: 7. PMID: 38427157, PMCID: PMC10905807, DOI: 10.1186/s41205-024-00204-3.Peer-Reviewed Original ResearchPatient-specific cutting guidesCutting guidesPlanned osteotomySoft tissue injuriesTotal hip arthroplasty surgeryCT scanSurgical techniqueRevision total hip arthroplasty surgeryClinical trialsPerformed osteotomyHip arthroplasty surgeryTissue injuryNon-unionPatientsCadaveric testingSimpleware ScanIPOsteotomySoft tissueTrochanteric osteotomyProximal femurArthroplasty surgeryIntramedullary canalHuman subjectsExtended trochanteric osteotomyFemoral canalOutcomes of Distal Third Femur Fractures in Patients 18 Years and Older: A Pilot Study
Roytman G, Jabbouri S, O'Marr J, Raghuram A, Beitler B, Irshad S, Fram B, Yoo B, Leslie M, Riedel M, Tommasini S, Wiznia D. Outcomes of Distal Third Femur Fractures in Patients 18 Years and Older: A Pilot Study. Cureus 2024, 16: e55136. PMID: 38558586, PMCID: PMC10979706, DOI: 10.7759/cureus.55136.Peer-Reviewed Original Research
2023
An analytical model of lateral condylar plate working length
Roytman G, Beitler B, LaMonica J, Spero M, Toy K, Ramji A, Yoo B, Leslie M, Baumgaertner M, Tommasini S, Wiznia D. An analytical model of lateral condylar plate working length. Clinical Biomechanics 2023, 110: 106129. PMID: 37871506, PMCID: PMC10848195, DOI: 10.1016/j.clinbiomech.2023.106129.Peer-Reviewed Original ResearchAutomated Vibration and Acoustic Crepitus Sensing in Humans
Roytman G, Faydenko J, Budavich M, Pocius J, Cramer G. Automated Vibration and Acoustic Crepitus Sensing in Humans. Journal Of Tribology 2023, 145 DOI: 10.1115/1.4062808.Peer-Reviewed Original Research
2022
Characteristics of Chiropractic Patients in the Veterans Health Administration During the COVID-19 Pandemic: A Cross-Sectional Analysis
Roytman G, Cheung K, Bathulapalli H, Goertz C, Long C, Lisi A. Characteristics of Chiropractic Patients in the Veterans Health Administration During the COVID-19 Pandemic: A Cross-Sectional Analysis. Journal Of Manipulative And Physiological Therapeutics 2022, 45: 615-622. PMID: 37294219, PMCID: PMC10254439, DOI: 10.1016/j.jmpt.2023.04.002.Peer-Reviewed Original ResearchConceptsVeterans Health AdministrationCharlson Comorbidity IndexTelehealth visitsCross-sectional analysisComorbidity indexPatient characteristicsChiropractic careHealth AdministrationUS Veterans Health AdministrationRetrospective cross-sectional analysisCOVID-19 pandemicMarital statusNon-white raceYears of ageChiropractic patientsVHA patientsUnique patientsMusculoskeletal complaintsMusculoskeletal conditionsVisit typeMultinomial logistic regressionPatientsLatino ethnicityLogistic regressionVisitsPersonalizing Revision Tibial Baseplate Position and Stem Trajectory With Custom Implants Using 3D Modeling to Optimize Press-fit Stem Placement
Cooperman C, Wiznia D, Kunsel K, Roytman G, Ani L, Pratola D, Lee GC, Tommasini S, Bernstein J. Personalizing Revision Tibial Baseplate Position and Stem Trajectory With Custom Implants Using 3D Modeling to Optimize Press-fit Stem Placement. Arthroplasty Today 2022, 18: 45-51. PMID: 36267389, PMCID: PMC9576531, DOI: 10.1016/j.artd.2022.08.011.Peer-Reviewed Original ResearchAn open-access plug-in program for 3D modelling distinct material properties of cortical and trabecular bone
Roytman GR, Cutler M, Milligan K, Tommasini SM, Wiznia DH. An open-access plug-in program for 3D modelling distinct material properties of cortical and trabecular bone. BMC Biomedical Engineering 2022, 4: 8. PMID: 36153577, PMCID: PMC9509591, DOI: 10.1186/s42490-022-00065-z.Peer-Reviewed Original ResearchMaterial propertiesFinite element analysisSoftware suiteDistinct material propertiesApparent density valuesMaterial behaviorElement analysisSilico experimentationYoung's modulusPersonalized simulationPower law equationTrabecular bone material propertiesGrayscale valuesBone material propertiesLaw equationModulusPlugDensity valuesConstituent elementsTrabecular boneWorkflowFilesPowerful toolPropertiesObjectsSimulating Prophylactic Fixation Methods for Osteoporotic Femoral Neck Fracture Prevention
Roytman G, Ramji A, Beitler B, Yoo B, Leslie M, Baumgaertner M, Tommasini S, Wiznia D. Simulating Prophylactic Fixation Methods for Osteoporotic Femoral Neck Fracture Prevention. Geriatric Orthopaedic Surgery & Rehabilitation 2022, 13: 21514593221141376. PMID: 36533207, PMCID: PMC9747871, DOI: 10.1177/21514593221141376.Peer-Reviewed Original ResearchFemoral neck systemDynamic hip screwExternal forcesImpact scenariosFemoral neck fracturesSingle-leg stanceFemoral neckHigh stiffnessFall scenariosNeck fracturesFracture patternsLeg stanceConstruct stiffnessLateral impactStiffnessChoice of implantsDifferent implantsSawbone femurProphylactic stabilizationGeriatric patientsHigh morbidityFracture preventionProphylactic fixationSurgical correctionClinical trialsEvaluating surface coatings to reduce bone cement adhesion to point of care 3D printed molds in the intraoperative setting
Beitler B, Roytman GR, Parmer G, Tommasini SM, Wiznia DH. Evaluating surface coatings to reduce bone cement adhesion to point of care 3D printed molds in the intraoperative setting. 3D Printing In Medicine 2022, 8: 28. PMID: 35960406, PMCID: PMC9373469, DOI: 10.1186/s41205-022-00156-6.Peer-Reviewed Original ResearchCorrection: Accuracy of guide wire placement for femoral neck stabilization using 3D printed drill guides
Roytman GR, Ramji AF, Beitler B, Yoo B, Leslie MP, Baumgaertner M, Tommasini S, Wiznia DH. Correction: Accuracy of guide wire placement for femoral neck stabilization using 3D printed drill guides. 3D Printing In Medicine 2022, 8: 26. PMID: 35943613, PMCID: PMC9361542, DOI: 10.1186/s41205-022-00153-9.Peer-Reviewed Original ResearchVibration and Acoustic Crepitus Sensing Using Piezoelectric Accelerometers
Roytman G, Budavich M, Pocius J, Faydenko J, Muligano D, Cramer G. Vibration and Acoustic Crepitus Sensing Using Piezoelectric Accelerometers. Journal Of Engineering And Science In Medical Diagnostics And Therapy 2022, 5 DOI: 10.1115/1.4054498.Peer-Reviewed Original Research
2021
Vibration and Acoustic Crepitus Sensing Using Piezoelectric Accelerometers and Automated Signal Analysis
Roytman G, Budavich M, Pocius J, Faydenko J, Muligano D, Cramer G. Vibration and Acoustic Crepitus Sensing Using Piezoelectric Accelerometers and Automated Signal Analysis. 2021 DOI: 10.1115/imece2021-67348.Peer-Reviewed Original ResearchA Novel and Accurate Palpation Method for Identification of the L4 Spinous Process: A Preliminary Study of Accuracy
Roytman G, Selby S, Cantu J, Cramer G. A Novel and Accurate Palpation Method for Identification of the L4 Spinous Process: A Preliminary Study of Accuracy. Journal Of Manipulative And Physiological Therapeutics 2021, 44: 398-407. PMID: 34429213, DOI: 10.1016/j.jmpt.2021.03.003.Peer-Reviewed Original ResearchConceptsL4 SPSpinous processPalpation methodL4 spinous processLumbar spinous processesMethod of palpationMagnetic resonance imagingProspective researchMagnetic resonance imaging scansSupracristal planePalpationCliniciansInferior extentReference standardResonance imagingGrease pencilL5MarkersPreliminary studyStudyAssessment of an Automated Method to Identify Zygapophyseal Joint Crepitus
Cramer G, Roytman G, Budavich M, Pocius J, Muligano D, Faydenko J. Assessment of an Automated Method to Identify Zygapophyseal Joint Crepitus. The FASEB Journal 2021, 35 DOI: 10.1096/fasebj.2021.35.s1.00302.Peer-Reviewed Original Research
2019
A novel and accurate palpation method for identification of the L4 spinous process
Cramer G, Selby S, Cantu J, Roytman G. A novel and accurate palpation method for identification of the L4 spinous process. The FASEB Journal 2019, 33: 767.20-767.20. DOI: 10.1096/fasebj.2019.33.1_supplement.767.20.Peer-Reviewed Original ResearchL4 SPLumbar spinous processesMethod of palpationSpinous processPalpation methodEffective physical examinationYears of practice experienceL4 spinous processPhysical examination of patientsPalpation accuracyPhysical medicinePhysical therapyBack painCase seriesClinical specialtiesMRI scansInstitutional IRBExamination of patientsProspective researchCliniciansPlaced accelerometersSupracristal planeSupine positionInferior extentPalpation