2015
Optimal internal fixation of anatomically shaped synthetic bone grafts for massive segmental defects of long bones
Vorys GC, Bai H, Chandhanayingyong C, Lee CH, Compton JT, Caldwell JM, Gardner TR, Mao JJ, Lee FY. Optimal internal fixation of anatomically shaped synthetic bone grafts for massive segmental defects of long bones. Clinical Biomechanics 2015, 30: 1114-1118. PMID: 26386637, PMCID: PMC9004608, DOI: 10.1016/j.clinbiomech.2015.08.016.Peer-Reviewed Original ResearchConceptsTorsional stiffnessHydroxyapatite composite scaffoldsCyclic torsional testsNon-locking fixationMassive segmental defectsTissue engineering strategiesLarge segmental bone defectsComposite scaffoldsLoading cyclesTorque controlSynthetic bone graftAxial stiffnessAngular rotationAxial compressionTorsional testsNon-destructive mannerGeometry representativeOptimal screw fixationSegmental bone defectsSuch scaffoldsTorque levelsStiffnessBiomechanical testingHuman tibiaEngineering strategies
2013
Physiologic load-bearing characteristics of autografts, allografts, and polymer-based scaffolds in a critical sized segmental defect of long bone: an experimental study
Amorosa L, Lee C, Aydemir, Nizami S, Hsu A, Patel N, Gardner T, Navalgund A, Kim DG, Park S, Mao J, Lee F. Physiologic load-bearing characteristics of autografts, allografts, and polymer-based scaffolds in a critical sized segmental defect of long bone: an experimental study. International Journal Of Nanomedicine 2013, Volume 8: 1637-1643. PMID: 23637532, PMCID: PMC3639117, DOI: 10.2147/ijn.s42855.Peer-Reviewed Original ResearchConceptsAddition of hMSCsPolymer-based scaffoldsLoad-bearing characteristicsPhysiologic cyclic loadingPhase angleCritical-sized segmental defectsScaffold alone groupViscous stiffnessCyclic loadingMechanical propertiesFemoral defect modelSized segmental defectsRat femoral defect modelHuman mesenchymal stem cellsMechanical simulationsScaffold groupDifferent biomechanical characteristicsEnhanced bone formationHigh phase anglesDefect modelBiomechanical characteristicsExperimental studyHost boneStiffnessDefect repair
2011
Bone Regeneration of Tibial Segmental Defect Using Isotropic-Pore Structures Hydroxyapatite/Alumina Bi-Layered Scaffold: In Vivo Pilot Study
Son J, Kim JM, Han M, Choi S, Lee F, Oh D. Bone Regeneration of Tibial Segmental Defect Using Isotropic-Pore Structures Hydroxyapatite/Alumina Bi-Layered Scaffold: In Vivo Pilot Study. Journal Of Long-Term Effects Of Medical Implants 2011, 21: 159-167. PMID: 22043974, DOI: 10.1615/jlongtermeffmedimplants.v21.i2.60.Peer-Reviewed Original ResearchConceptsBi-layer scaffoldLayered scaffoldsBi-layered scaffoldIsotropic pore structureLarge segmental defectsEnergy dispersive spectroscopyBone regenerationAlumina scaffoldsCoating techniqueDispersive spectroscopyPore sizeSegmental defectsTibia modelBone substituteTibial segmental defectInner layerAluminaElectron microscopyOuter layerBone defectsMicro-CTNew bone formationLayerScaffoldsPorosity
2008
Enhancement of Periprosthetic Bone Quality with Topical Hydroxyapatite-Bisphosphonate Composite
Suratwala SJ, Cho SK, van Raalte JJ, Park SH, Seo SW, Chang SS, Gardner TR, Lee FY. Enhancement of Periprosthetic Bone Quality with Topical Hydroxyapatite-Bisphosphonate Composite. Journal Of Bone And Joint Surgery 2008, 90: 2189-2196. PMID: 18829917, PMCID: PMC2657477, DOI: 10.2106/jbjs.g.00409.Peer-Reviewed Original ResearchConceptsPeriprosthetic bone qualityPeriprosthetic bone massSix-month groupBone qualitySix weeksOsseous integrationBone massParticle-induced periprosthetic osteolysisImplant looseningDual X-ray absorptiometryInflammatory bone lossX-ray absorptiometryMean bone areaUltra-high molecular weight polyethyleneBone lossSix-week groupUltra-high molecular weight polyethylene particlesIntramedullary nailFemoral canalMolecular weight polyethyleneControl groupPeriprosthetic osteolysisBone areaPeak pullout forceIntramedullary implants