Simulating 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 trialsFinite Element Evaluation of the Femoral Neck System as Prophylactic Fixation to Prevent Contralateral Hip Fractures
LaMonica J, Rhee B, Milligan K, Leslie M, Tommasini S, Wiznia D. Finite Element Evaluation of the Femoral Neck System as Prophylactic Fixation to Prevent Contralateral Hip Fractures. Geriatric Orthopaedic Surgery & Rehabilitation 2022, 13: 21514593221135117. PMID: 36393901, PMCID: PMC9661561, DOI: 10.1177/21514593221135117.Peer-Reviewed Original ResearchFinite element analysisFemoral neck systemContralateral hip fractureElement analysisHip fractureBone failurePeak stressProximal femurTrabecular bone failureFinite element evaluationCortical bone failureVon Mises stressContralateral proximal femurPrimary hip fractureNeck systemOsteoporotic proximal femurCadaveric biomechanical studyPharmacologic treatmentElement evaluationGeriatric patientsSignificant morbidityProphylactic fixationFemoral neckFall preventionBone qualityAccuracy 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. Accuracy of guide wire placement for femoral neck stabilization using 3D printed drill guides. 3D Printing In Medicine 2022, 8: 19. PMID: 35781846, PMCID: PMC9254431, DOI: 10.1186/s41205-022-00146-8.Peer-Reviewed Original ResearchDiameter drill bitsAverage angular deviationAverage displacementLow positional accuracyImage processing techniquesIdeal implant positioningAccurate positioningDifferent implant systemsDrill guideProcessing techniquesDrill bitAngular deviationPositional accuracyWireImage processing softwareImplant systemDisplacementVirtual modelCustom 3DWire entryFemoral neckSawbonesGuide wireSawbone modelOptimal position