Med Biol Eng Comput - Biomechanical analysis of the effects of medial meniscectomy on degenerative osteoarthritis.

Tópicos

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Resumo

To investigate the effects of meniscectomy on degenerative osteoarthritis, a three-dimensional (3D) finite element (FE) model of the human lower limb is constructed from a combination of magnetic resonance (MR) images and computed tomographic (CT) images that can provide anatomically suitable boundary conditions for a knee joint. Four cases, i.e., the intact meniscus, and the partial, sub-total, and total meniscectomy of the medial meniscus are modeled and simulated. We consider that the cartilage-to-cartilage contact area and the peak contact pressure in the meniscus may be significant parameters in evaluating degenerative osteoarthritis. Partial meniscectomy can be regarded as a better treatment than sub-total/total meniscectomy, and a high possibility of degenerative osteoarthritis is anticipated after total meniscectomy. Moreover, medial meniscectomy has the potential to bring about degenerative osteoarthritis in both the medial compartment and the lateral compartment of a knee joint.

Resumo Limpo

investig effect meniscectomi degen osteoarthr threedimension d finit element fe model human lower limb construct combin magnet reson mr imag comput tomograph ct imag can provid anatom suitabl boundari condit knee joint four case ie intact meniscus partial subtot total meniscectomi medial meniscus model simul consid cartilagetocartilag contact area peak contact pressur meniscus may signific paramet evalu degen osteoarthr partial meniscectomi can regard better treatment subtotaltot meniscectomi high possibl degen osteoarthr anticip total meniscectomi moreov medial meniscectomi potenti bring degen osteoarthr medial compart later compart knee joint

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