Objectives We sought to synthesize data on systemic arthroprosthetic cobaltism, a recently
described syndrome that results from wear or corrosion of chrome-cobalt hip components. …

A retrospective review of 93 periprosthetic fractures and 102 periprosthetic fracture treatments
showed that the type of prosthesis (cemented, ingrowth, Austin-Moore) and the presence …

Early failure of metal-on-metal hip arthroplasties is a cur-rent concern because tissue damage
resulting from periprosthetic metallosis can compromise subsequent revision arthroplasty1…

Our initial experience with metal on metal hip implants 1 was favourable. But several years
later an uncharacteristically high proportion of patients developed progressive, unresolved, …

To understand the cause and optimal treatment of periprosthetic fractures of the femur better,
orthopedic surgeons in Oregon and Southern Washington were surveyed for cases of …

Background: Studies have suggested that cross-linked polyethylene bearings reduce wear
rates from 40% to 100% compared with conventional polyethylene. However, the reduced …

In recent times, higher education institutions have paid increasing attention to the views of
students to obtain feedback on their experience of learning and teaching through internal …

Roentgenographic and anthropologic studies have shown a high incidence of spondylolysis
in Eskimo populations. It is uncertain whether this is related to a genetic predisposition or to …

Neural processing occurs in parallel in distant cortical areas even for simple perceptual tasks.
Associated cognitive binding is believed to occur through the interareal synchronization of …

Opportunities and challenges are emerging for learners, teachers and institutions from the
increasing availability of low-cost mobile and wireless devices and associated infrastructure. …