Hip Replacement: Customized Treatment for Hip Wear and Tear
Osteoarthritis of the hip can be extremely painful. It often also makes it difficult to move. One option for treating this is a total hip replacement. The ailing hip joint is then replaced in its entirety with a new artificial hip joint. With a hip prosthesis, you will again be able to move freely and pain-free.
CortoClinics uses robotic-arm assisted technology to perform the hip replacement.
The Hip Implant
A hip implant consists of three parts: a set of nested cups that replace the socket of the hip joint and a ball mounted onto a stem that is inserted into the thigh bone.
Materials Used in the Hip Implant
The stem in the thigh bone is made of titanium. This adheres nicely to the surrounding bone. The inner cup is made of X3 polyethylene. This creates a smooth gliding surface for the ball of the implant. The prosthetic materials have been specifically designed for medical use, which means these implants are well accepted by the body. The prosthetic materials also promote bone ingrowth. That is why no bone cement is needed when placing the implants. The implant is “press-fit” and the bone grows onto it.
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How long does a hip replacement last?
The average lifespan of a total hip replacement is currently 15-20 years. This depends on many factors, such as the stress on the implant and the bone quality.
The hip implants that CortoClinics uses have been tested for durability. These tests showed that they function well for at least 13 years (ODEP-rating 13A). The tests are still ongoing, though, which means that number could change. The longer an implant is on the market, the higher the rating can go.
If a hip implant does eventually wear out or loosen, part or all of it can usually be replaced without issue. This is called a revision surgery.
Still have questions about hip implants?
The average expected lifespan of a hip implant is between 15 and 20 years. But the length of time your hip implant will last depends on many factors. How much stress is your implant subjected to? And what is the quality of the surrounding bone?
Implants are classified using the ODEP rating system. This benchmark is based on scientific evidence gathered on a group of implant users. The result is a rating made up of a number and a letter. The number indicates how many years the implant has lasted without problems among a high percentage of users. That number can be deceiving, though: an implant that has only been on the market for 5 years can never receive a rating of higher than 5. The longer a hip implant has been on the market, and thus also been studied, the higher the number can be. The letter in the benchmark indicates how large the group of users that participated in the study was. An A rating means that the group was large.
The hip implants that CortoClinics uses have an ODEP rating of 13A.
Hip replacement surgery requires considerable rehabilitation. Most of your recovery occurs in the first 6 weeks to 3 months after surgery. That is not to say that everyone will achieve their final result by that point. Some people require up to a year to achieve the final result and feel fully recovered.
The two most important types of hip prostheses are the total hip prosthesis, which replaces both parts of the joint, and the ball-and-stem prosthesis. The latter replaces only the femoral head and is only used for hip fractures. CortoClinics treats osteoarthritis and therefore only performs total hip replacements.
There are many designs of total hip prostheses available. These vary in terms of three factors:
- The materials the prosthesis is made of, the most common of which are metal, plastic, and ceramic.
- The method by which the prosthesis is bonded to the surrounding bone, for example, with bone cement or press-fit.
- The lifespan of the prosthesis, whereby most implants last 10-15 years.
At CortoClinics, you will discuss which type of hip implant is right for you with your doctor. Would you like to know more about the different types of hip implants? You can find more information (in Dutch) on this website: www.zorgvoorbeweging.nl.
I’m already a bit older and wonder about how useful hip replacement might be. How well do older people recover from this surgery?
This varies, of course, per individual. CortoClinics provides a personalized care plan that includes taking steps in advance of surgery to ensure that rehabilitation goes as smoothly as possible. Recent studies have shown good results with therapy started before surgery. We will discuss all of the options with you and provide you with the information you need to make the decision that’s right for you.
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