Background: Proximal femur fractures are prevalent among the elderly and associated with substantial morbidity,mortality, and early readmission. Early readmission is gaining popularity as a measure of quality of hospital care and canlower reimbursement. A better understanding of the patient and treatment characteristics associated with readmissionmay help inform program improvement initiatives....

Determination of the optimum loading path (internal pressure- axial feeding) to restrict the Bursting, buckling and wrinkling through tube hydroforming process is necessary to produce an acceptable tube. In this paper, the wrinkling and fracture criteria are implemented to an finite element code devoted to the simulation of tube hydroforming processes. Using the ANSYS parametric design language...

In this work, we used a grain-based numerical model based on the concept of lattice. The modelling was done to simulate the lab experiments carried out on the mortar samples. Also the analytical solutions corresponding to the viscosity-dominated regime were used to estimate the fracture length and width, and the results obtained were compared with the numerical simulations. As the analytical so...

Abstract — We show in this paper that many different least-squares problems which have applications in signal processing may be seen as special cases of a more general vector space minimization problem called the Minimum Norm problem. We show that special cases of the Minimum Norm problem include: least squares fitting of a finite set of points to a linear equation and to a quadratic equation; ...

Zoledronic acid (ZA) is a potent nitrogen-containing bisphosphonate with a long skeletal half-life that is administered annually by intravenous (IV) infusion. In the Horizon trial, ZA significantly reduced the risk of vertebral fracture by 70%, the risk of hip fracture by 40%, and the risk of nonvertebral fracture by 20% [1]. ZA also reduced the risk of clinical fracture by 35% and decreased mo...

Akin to other mineralized tissues, human cortical bone can resist deformation and fracture due to the nature of its hierarchical structure, which spans the molecular to macroscopic length scales. Deformation at the smallest scales, mainly through the composite action of the mineral and collagen, contributes to bone’s strength or intrinsic fracture resistance, while crack-tip shielding mechanism...

background at altnagelvin, a district general hospital in northern ireland, we have observed that a significant number of hip fracture admissions are later readmitted for treatment of other medical conditions. these readmissions place increasing stress on the already significant burden that orthopedic trauma poses on national health services. objectives the aim of this study was to review a ser...

We present results of VLA and VLBA observations of the 1.420 GHz neutral hydrogen absorption associated with the Compact Symmetric Object 1946+708 (z=0.101). We nd signiicant structure in the gas on parsec scales. The peak column density in the Hi (N HI '2.210 23 cm ?2 (Ts 8000K)) occurs toward the center of activity of the source, as does the highest velocity dispersion ((V FWHM '350 km s ?1)....

Northwestern University, Evanston, IL 60208 Measurements of the size effect on the nominal strength of notched specimens of fiber composlf~ ~ammates are reported. Tests were conducted on graphite/epoxy crossplv and quasI-IsotroPIc laminates. The specimens were rectangular strips of widths 6.4, 12.7,25.4 and 50.8 mm (0.25,0.50, 1.00 and 2.00 in.) geometrically similar in two dimensIOns. The gage...