Smith & Nephew BIRMINGHAM HIP™ (trademark Smith & Nephew) Resurfacing (FDA Approved)
Hip resurfacing has been developed as a surgical alternative to total hip replacement. In traditional total hip replacement the head of the thighbone and the damaged socket are both removed and replaced with metal, plastic or ceramic components.
In Hip resurfacing the femoral head is not removed but is instead trimmed and capped with a smooth metal covering. The damaged bone and cartilage within the socket is removed and replaced with a metal shell, just as in a traditional total hip replacement.
The Birmingham Hip Resurfacing arthroplasty is primarily indicated for the younger, active patients.
Good quality is a firm requirement for this procedure.
Most patients suitable for this procedure will be under 60 years of age.
The metal on metal bearing surface gives a more durable articulation and the larger head sizes decrease the risk of dislocation. This allows the patients to return to a more vigorous lifestyle and a higher level of sporting activity that is generally recommended for conventional total hip arthroplasty
Procedure for the surgery:
The procedure of Birmingham Hip Replacement consists of placing a cobalt metal cap which is hollow and shaped like a mushroom over the head of the femur while matching metal cup is placed in the acetabulum(pelvis socket),replacing the articulating surfaces of the patient’s hip joint and removing very little bone compared to the total hip replacement.
When the patient moves the hip the movement of the joint induces synovial fluid to flow between the hard metal bearing surfaces lubricating them when the components are placed in correct position.
The surgeon’s level of experience with hip resurfacing is most important therefore the selection of the right surgeon is crucial for the successful outcome.
The hip resurfacing devices are metal on metal articulating devices which differ from total hip replacement devices because they are more bone conserving and retain the natural geometry.
How it works
Total hip resurfacing arthroplasty is a bone preserving procedure that helps restore, comfort and function to patient’s hip damaged by degenerative joint disease (osteoarthritis and traumatic arthritis) avascular necrosis or development hip dysplasia.
It is viewed as an alternative to traditional hip replacements for helping patients to return to their active lifestyles .
The main advantage of the Birmingham Hip Replacement Surgery is that when a revision is required there is still an intact femur bone left for a Total Hip Replacement (THR) stem. When a THR stem requires a revision, the metal stem in the femur has to be removed and often more bone is lost in the process of removal and replacement with a larger diameter stem.
Having hip resurfacing at a younger age means that a revision will likely be more easy to perform when required.
The most common risk of hip resurfacing is fracture of the femoral neck.
Birmingham hip resurfacing complications and Potential risks exist from the production of metal ions(cobalt and chromium)caused by the rubbing of the metal implant components.
It is also risky for women of childbearing age who plan to have children because of the uncertainty about the effects of metal ions on the developing fetus. Thus it is not recommended for the same.
Hypersensitivity to metal ions is a risk that is being increasingly recognized and may lead to loosening of the components.
A thorough preoperative evaluation in preparation for surgery is important for minimizing potential risks of hip surgery.
An experienced joint replacement team will use special techniques to minimize the risk of many of the above mentioned complications but cannot always totally eliminate them.
The cost of the hip resurfacing surgery package in Indian rupees is can range between 300000- 340000 rupees for one side. This is inclusive of all the expenditure at the hospital. In U S dollars the hip resurfacing surgery would cost around- 7000-15500 US dollars.
For some patients suffering from hip complications and damage in U.S and U.K hip surfacing surgery is usually very expensive. In such cases patients can opt for Birmingham Hip Replacement Surgery in India, Mexico and Costa Rica. Many people visit India for savings on hip resurfacing surgery. It is not just the price but there is a large pool of US and UK returned surgeons. The hospitals for surgery have latest orthopedic surgical equipment, stimulators and traction machines.
Recent studies have shown that the outcome of a hip resurfacing is dependent on surgeon’s experience and that proper positioning of the hip components is crucial. Therefore in addition to ensuring that a proven device is used patients should take care in selecting a surgeon with experience and good track record.