What is stem loosening after hip replacement?
Hip replacement failure refers to loosening, or damage to an artificial hip after undergoing hip replacement surgery. When this loosening occurs due to deficient bone, it is known as osteolysis. Hip osteolysis can cause a great deal of pain and lower the range of motion in the hip.
What is aseptic loosening of prosthesis?
Aseptic loosening refers to the failure of joint prostheses without the presence of mechanical cause or infection. It is often associated with osteolysis (bone resorption) and an inflammatory cellular response within the joint.
What are the symptoms of aseptic loosening?
Thigh or groin pain is the primary symptom of stem loosening in hip replacement, especially during walking. Sometimes, the pain can radiate to the knee. Knee pain, often at the start of activities, can also be a sign of implant loosening.
What causes aseptic loosening of implants?
Aseptic loosening can be the result of inadequate initial fixation, mechanical loss of fixation over time, or biologic loss of fixation caused by particle-induced osteolysis around the implant.
How common is aseptic loosening?
Aseptic loosening has been reported to be one of the most common causes for revisions, accounting for almost 55% of hip [47] and 31% of knee [49] revisions.
How do you fix a loose hip replacement?
Procedure for Correction of a Loose Hip Replacement The procedure is usually performed under general anesthesia. After adequately sterilizing the surgical area, your surgeon will make a small incision on the side of your hip and will meticulously remove all or some parts of the damaged or loosened original hip implant.
How do you stop Aseptics from loosening?
The best method of reducing aseptic loosening is to prevent the wear particles being produced in the first place. This can be done by addressing implant design, patient factors and intraoperative surgical factors.