Hip Replacement is one of the great success stories of modern medicine. But there has been a downside for those who outlive their artificial hips. Because it is difficult to extract and replace a worn-out or defective artificial hip, doctors routinely advise patients to put off hip replacement for as long as possible. For middle-aged or younger people whose hips have been damaged by disease or injury, that typically means an uncomfortable waiting game. However, now there is an alternative to total hip replacement, called hip resurfacing, for many of these younger patients.
Hip resurfacing arthroplasty replaces the arthritic surface of the joint but removes far less bone than traditional total hip replacement. The new surface allows the joint to move smoothly, without pain. Because the hip resurfacing removes less bone, it is preferable for younger patients who may need a second, or revision, hip replacement surgery as they grow older and wear out the original artificial hip replacement.
Watch this video demonstrating a hip resurfacing:
In total hip replacement, the entire head of the femur is removed and replaced with a large device anchored by a far longer spike inserted deeper into the femur. It is this alteration of the femur that often leaves too little solid bone, which can complicate a follow-up replacement procedure.
Watch this video demonstrating a hip replacement:
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