Revision total hip replacement covers a very wide spectrum
of topics. Exactly what is necessary at the time of revision
total hip replacement is related to the very specific problem.
Revisions may be as simple as exchanging a bearing and leaving
the components that are fixed to the bone undisturbed or
may be exceedingly complex, involving major loss of bone
and associated loss of mechanical integrity of the pelvis,
the femur, or both. Common causes for revision are wear of
the bearing and associated bone resorption, instability of the joint with recurrent dislocation of the components,
loosening of the components, or infection. In general, failed total hip
replacements are addressed by determining the cause of the failure and
revising the hip replacement in whatever way is necessary to solve the
problem. Dr. Murphy's practice of revision hip surgery is
primarily restricted to patients who he already has cared for in the
past.
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