Search Results - "Zysset, P. K."

Rebound-associated vertebral fractures after discontinuation of denosumab—from clinic and biomechanics by Popp, A. W., Zysset, P. K., Lippuner, K.

“…Summary Rebound-associated vertebral fractures may follow treatment discontinuation of highly potent reversible bone antiresorptives, resulting from the…”
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Indentation of bone tissue: a short review by Zysset, P. K

“…In a paper presented at the Third Meeting on Bone Quality, Jun 2008, Zysset reviewed the recent progress of indentation techniques to evaluate the mechanical…”
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The mechanical behavior of PMMA/bone specimens extracted from augmented vertebrae: A numerical study of interface properties, PMMA shrinkage and trabecular bone damage by Kinzl, M, Boger, A, Zysset, P.K, Pahr, D.H

“…Abstract Recently published compression tests on PMMA/bone specimens extracted after vertebral bone augmentation indicated that PMMA/bone composites were not…”
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Cathepsin S controls adipocytic and osteoblastic differentiation, bone turnover, and bone microarchitecture by Rauner, M, Föger-Samwald, U, Kurz, M.F, Brünner-Kubath, C, Schamall, D, Kapfenberger, A, Varga, P, Kudlacek, S, Wutzl, A, Höger, H, Zysset, P.K, Shi, G.P, Hofbauer, L.C, Sipos, W, Pietschmann, P

“…Abstract Cathepsin S is a cysteine protease that controls adipocyte differentiation and has been implicated in vascular and metabolic complications of obesity…”
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Early changes in biochemical markers of bone formation during teriparatide therapy correlate with improvements in vertebral strength in men with glucocorticoid-induced osteoporosis by Farahmand, P., Marin, F., Hawkins, F., Möricke, R., Ringe, J. D., Glüer, C.-C., Papaioannou, N., Minisola, S., Martínez, G., Nolla, J. M., Niedhart, C., Guañabens, N., Nuti, R., Martín-Mola, E., Thomasius, F., Peña, J., Graeff, C., Kapetanos, G., Petto, H., Gentzel, A., Reisinger, A., Zysset, P. K.

“…Summary Changes of the bone formation marker PINP correlated positively with improvements in vertebral strength in men with glucocorticoid-induced osteoporosis…”
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Assessment of volume fraction and fabric in the distal radius using HR-pQCT by Varga, P, Zysset, P.K

“…Abstract The aim of this study was to investigate the capabilities of the state of the art HR-pQCT technique to predict mineral content, volume fraction and…”
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Quantitative analysis of imprint shape and its relation to mechanical properties measured by microindentation in bone by Schwiedrzik, J.J, Zysset, P.K

“…Abstract Microindentation in bone is a micromechanical testing technique routinely used to extract material properties related to bone quality. As the analysis…”
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Characterizing microcrack orientation distribution functions in osteonal bone samples by WOLFRAM, U., SCHWIEDRZIK, J.J., MIRZAALI, M.J., BÜRKI, A., VARGA, P., OLIVIER, C., PEYRIN, F., ZYSSET, P.K.

“…Summary Prefailure microdamage in bone tissue is considered to be the most detrimental factor in defining its strength and toughness with respect to age and…”
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The effects of bone and pore volume fraction on the mechanical properties of PMMA/bone biopsies extracted from augmented vertebrae by Kinzl, M, Boger, A, Zysset, P.K, Pahr, D.H

“…Abstract Vertebroplasty forms a porous PMMA/bone composite which was shown to be weaker and less stiff than pure PMMA. It is not known what determines the…”
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Fabric-mechanical property relationships of trabecular bone allografts are altered by supercritical CO2 treatment and gamma sterilization by Schwiedrzik, J.J, Kaudela, K.-H, Burner, U, Zysset, P.K

“…Abstract Tissue grafts are implanted in orthopedic surgery every day. In order to minimize infection risk, bone allografts are often delipidated with…”
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Heterogeneity of bone lamellar-level elastic moduli by Hoffler, C.E., Moore, K.E., Kozloff, K., Zysset, P.K., Brown, M.B., Goldstein, S.A.

“…Advances in our ability to assess fracture risk, predict implant success, and evaluate new therapies for bone metabolic and remodeling disorders depend on our…”
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Age, gender, and bone lamellae elastic moduli by Hoffler, C E, Moore, K E, Kozloff, K, Zysset, P K, Goldstein, S A

“…To enhance preventative and therapeutic strategies for metabolic bone diseases and bone fragility disorders, we began to explore the physical properties of…”
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A generalized anisotropic quadric yield criterion and its application to bone tissue at multiple length scales by Schwiedrzik, J. J., Wolfram, U., Zysset, P. K.

“…Nonlinear computational analysis of materials showing elasto-plasticity or damage relies on knowledge of their yield behavior and strengths under complex…”
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An anisotropic elastic-viscoplastic damage model for bone tissue by Schwiedrzik, J. J., Zysset, P. K.

“…A new anisotropic elastic-viscoplastic damage constitutive model for bone is proposed using an eccentric elliptical yield criterion and nonlinear isotropic…”
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Effect of boundary conditions on yield properties of human femoral trabecular bone by Panyasantisuk, J., Pahr, D. H., Zysset, P. K.

“…Trabecular bone plays an important mechanical role in bone fractures and implant stability. Homogenized nonlinear finite element (FE) analysis of whole bones…”
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Mapping anisotropy improves QCT-based finite element estimation of hip strength in pooled stance and side-fall load configurations by Panyasantisuk, J., Dall'Ara, E., Pretterklieber, M., Pahr, D.H., Zysset, P.K.

“…•QCT-based FE models of the proximal femur were enriched with femur-specific or mean fabric.•Stiffness and strength of 71 femurs were computed in side-fall and…”
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A global relationship between trabecular bone morphology and homogenized elastic properties by Zysset, P K, Goulet, R W, Hollister, S J

“…An alternative concept of the relationship between morphological and elastic properties of trabecular bone is presented and applied to human tissue from…”
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An alternative model for anisotropic elasticity based on fabric tensors by Zysset, P.K., Curnier, A.

“…Motivated by the mechanical analysis of multiphase or damaged materials, a general approach relating fabric tensors characterizing microstructure to the fourth…”
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Validation of an anatomy specific finite element model of Colles’ fracture by Varga, P, Baumbach, S, Pahr, D, Zysset, P.K

“…Abstract Osteoporotic fractures are harmful injuries and their number is on the rise. Distal radius fractures are precursors of other osteoporotic fractures…”
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A review of morphology–elasticity relationships in human trabecular bone: theories and experiments by Zysset, Philippe K.

“…In the perspective of predicting mechanical from morphological properties of human trabecular bone, the theoretical and experimental relationships between…”
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