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Knee Replacement Revision Surgery
When existing knee replacement components are beginning to fail in certain conditions they have to be replaced. In cases of severe infection this can be done in stages but whenever possible we prefer to do it in one sitting. During the procedure all existing components are removed and replaced with new ones which fit the requirements.
What is knee replacement revision surgery?
Revision surgery of previously replaced knee in majority of cases entails the removal of all existing components and replacing them with new ones. Usually they cannot be replaced with the same size and type of the components and need to be upgraded – this usually involves using a stemmed component to improve stability of the components and compensate for any bone loss.
Get expert advice on revision surgery
Knee replacement revision surgery is more complex than a primary knee replacement. Book a consultation to assess your condition and explore the best treatment options.
How is knee replacement revision surgery carried out?
The procedure is usually done under general anaesthetic. Whilst it can be done under spinal anaesthesia, the duration of the spinal anaesthetic is usually not long enough to allow for the procedure to be completed. These procedures are usually complicated and take a long time to complete with a lot of unexpected steps.
How long does knee replacement revision surgery take?
The procedure itself can take on average between 2-4 hours. It mainly depends on how complex the problem is and what needs to be done. Occasionally the removal of existing components and bone cement can be extremely time consuming, particularly if the bone cement has been inserted deep into the medullary canal of the tibia or femur.
Learn more about the surgical procedure
Understanding the revision process can help you feel more prepared. Speak with a specialist to discuss the procedure in detail.
Who needs knee replacement revision surgery?
Knee revision surgery is usually recommended if you have:
- an infected total knee replacement,
- an unstable knee joint post replacement or unstable components in the knee,
- if there are any signs of wear and tear on the components, particularly on the plastic bearing part or
- if there are any other problems present with the knee replacement which cannot be addressed other than with revision surgery.
Get a personalised recovery plan
Successful recovery requires expert guidance. Arrange an appointment to discuss rehabilitation and post-operative care.
Who is involved in my treatment and recovery from knee replacement revision surgery?
If you need a knee revision surgery it is very likely that your case will be discussed by a multidisciplinary (MDT) team which usually includes a plastic surgeon, an infectious diseases doctor, a radiologist and an orthopaedic surgeon. They will make a joint decision on which is the most optimal treatment in your case based on their experiences and current evidence in the literature.
What are the risks of knee replacement revision surgery?
The main risks or knee revision surgery are:
- Failure of treatment – The revision surgery may not fully resolve pain or instability.
- Intra-operative damage to nerves and vessels – May require additional surgery.
- Propagation or introduction of infection – Risk of post-surgical infection affecting the new implant.
- Unplanned fracture of your bones – Bone fractures during surgery can lead to complications, including loss of limb.
- Blood clots and pulmonary embolisms – Serious risks that can impact mobility and overall health.
Find out more about your treatment options
If you’re experiencing issues with your knee replacement, schedule a consultation for expert guidance.
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