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Hip Resurfacing

What is Hip Resurfacing?

Hip Resurfacing is a type of hip replacement which replaces the two surfaces of the hip joint. The procedure is relatively bone conserving as the head of the femur is retained. Instead of removing the head completely, it is shaped to accept a metal sphere. The surface of the acetabulum (the socket) is replaced with a metal implant, which is fitted directly into the bone without cement. There is no large stem to go down the central part of the femur as with a total hip replacement. This therefore gives us ‘two bites at the cherry’ in younger individuals who may require more than one hip replacement in their lifetime- without losing much of their own bone.

Hip Resurfacing

Who is a candidate for Hip Resurfacing?

This operation is primarily intended for use in people who are in need of a hip replacement at a physiologically younger age, primarily under 60 years of age. People aged between 60 and 65 who are very active and otherwise fit may also be suitable and this will be determined by their bone quality. Patients who have extreme deformity of either the head of the femur or the acetabulum due to arthritis of the hip unfortunately are not good candidates for this type of surgery.

Why do I need a Hip Resurfacing?

  • Stop your hip being painful
  • Improve your mobility
  • Improve your quality of life
  • May allow return to a very active lifestyle

How can I reduce the risk of problems?

To minimise the risk of your new hip dislocating, you are advised to follow a few simple rules for the first six weeks.

Benefits of Hip Resurfacing

  • The femoral head is preserved and the femoral canal is not violated.
  • There is no associated femoral bone loss for future revision.
  • The risk of microfracture of femur with uncemented stem implantation is eliminated.
  • Larger size of implant "ball" reduces the risk of dislocation significantly.
  • Stress is transferred in a natural way along the femoral canal and through the head and neck of the femur.
  • With the standard THR, some patients experience thigh pain as the bone has to respond and reform to less natural stress loading.
  • Use of metal rather than plastic reduces osteolysis or erosion of bone and associated early loosening risk.
  • Use of metal has low wear rate with expected long implant lifetime.

Risks of Hip Resurfacing

  • Lack of long-term track record.
  • Current device has only been used for about 12 years.
  • Despite known low wear rate, longevity and long term effects of metallic wear debris is unknown.
  • The femoral nerve is more prone to injury as the femoral head is retracted to the front of the hip resulting in a stretch injury to the nerve and weakness of the quadriceps. This commonly recovers with time.
  • The hip is more prone to fracture as there is a technical risk of weakening the femoral neck.This can present suddenly with pain or gradually usually up to one year from the date of surgery.
  • For some surgeons, the procedure has a longer surgical time.
  • The procedure requires somewhat more skill of the surgeon. Because of this, a learning curve has been documented where it is common for a surgeon to have more complications in his first few patients.
  • Other risks- these are common to hip replacement

Please speak to Mr Bajekal about any concerns you may have about the operation or telephone the office on 0208 3677007

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