Denys Delgado Amador

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The effect of posterior tibial slope was evaluated in a rotationally unconstrained anterior cruciate ligament-sacrificing total knee replacement (Ortholoc, Dow Corning Wright, Arlington, TN). Sloping the surface 7 degree posteriorly loosened the knee to varus-valgus and anterior-posterior stress in flexion. Eliminating posterior slope improved varus-valgus(More)
Aseptic loosening of tibial components remains a serious problem in uncemented total knee arthroplasties. Achieving rigid initial fixation of porous-coated components is one of the most important factors in promoting bone ingrowth. The results of a biomechanical study for micromovement of the tibial component under posteroanterior shear and axial(More)
Twenty-four preserved autopsy femurs were used to evaluate the effect of the collar and tight distal fit on noncemented femoral component subsidence, micromotion, and load to failure. Ten collared implants (five with tight and five with loose distal fit) and 14 collarless implants (seven with tight and seven with loose distal fit) were inserted with(More)
The effect of the posterior stabilizing mechanism on rotational stability in total knee arthroplasty (TKA) was investigated in six cadaver knees using a special knee-testing device. The device evaluated varus-valgus, rotational, and anteroposterior (AP) stability in the normal knee compared to a posterior stabilized TKA with either a rotationally(More)
BACKGROUND Previous studies demonstrated that Letrozole (aromatase inhibitor) and tamoxifen (selective modulator of estrogen receptors) are effective in the treatment of postmenopausal women with locally advanced tumors, stage III and hormone dependent. OBJECTIVE To present display the complete clinical answer incidence and the complete pathological(More)
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