Long-term Periprosthetic Remodeling in THA Shows Structural Preservation

Long-term durability of alumina ceramic heads in THA

BACKGROUND The optimal type of bearing for hip arthroplasty remains a matter of debate. Ceramic-on-polyethylene (CoP) bearings are frequently used in younger and more active patients to reduce wear and increase biocompatibility compared to Metal-on-Polyethylene (MoP) bearings. However, in comparison to metal heads, the fracture risk of ceramic heads is higher. In addition, ceramic head fracture...

Collection - Based Long - Term Preservation

ii Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect the views of the National Archives and Records Administration or others supporting the San Diego Supercomputer Center.

Long-term hearing preservation in vestibular schwannoma.

OBJECTIVE The aim of the present study was to evaluate the long-term hearing during "wait and scan" management of vestibular schwannomas. SUBJECTS During a 33-year period, from 1976 to 2008, 1,144 patients with vestibular schwannoma were allocated to observation by the wait and scan policy, with annual magnetic resonance imaging and audiologic examination. Two complete pure-tone and speech di...

: Predicting Long Term Digital Preservation Costs

As we develop our ability to preserve digital collections through techniques such as migration and emulation, the decision process of what action to take and when to take it becomes increasingly complex. Cost is a crucial factor to consider but the financial implications of preservation planning decisions are not typically well understood. At a strategic level, there are also significant challe...

LIFE3: Predicting Long Term Digital Preservation Costs