Computer-guided knee replacement: Enhancing precision and outcomes

Escrito por: Mr Tom Symes
Publicado: | Actualizado: 23/08/2023
Editado por: Sophie Kennedy

Computer-guided knee replacement is an innovative surgical technique that has revolutionised the field of orthopaedics. To learn more, we invited revered consultant orthopaedic surgeon Mr Tom Symes to share his expert insight on what the procedure itself entails, as well as the benefits and expected outcomes of this cutting-edge approach.

How is a computer-navigated knee replacement performed?

Computer-navigated knee replacement is similar to a traditional knee replacement but additionally a pin is drilled into the thigh bone and shin bone during the surgery. We attach 'arrays' to these pins and they allow a computer to 'see' where the leg is. We then perform registration to tell the computer where all the important parts of the knee are located. The computer then helps to guide the surgeon to make the bone cuts and soft tissue releases.


How does it differ to a traditional knee replacement surgery?

From the patient’s perspective, they will notice 1 or 2 small additional scars but no other differences as compared to traditional knee replacement surgery.


What are the main associated benefits and risks?

Benefits

The computer allows the surgeon to make the bone cuts and soft tissue releases more accurately than with traditional surgery. This means the leg is more likely to be perfectly straight and move better at the end of the operation.
 

Risks

There are virtually no aspects of computer-navigates knee replacement that bring increased risk. There is a very, very small chance of fracture where the pins are placed. These pins are removed at the end of the surgery.
 

Who is the ideal candidate for computer-navigated knee replacement surgery?

Anyone can have a computer navigated knee replacement but it is particularly useful in patients with a large deformity, like knock knees or bow legs. In addition, it can be particularly beneficial for patients who are overweight as it is more accurate, as well as in patients who have existing metalware.


How does recovery time compare to traditional knee surgery?

Recovery time is the same in both computer-navigates and traditional knee replacement procedures. Patients who have undergone a computer-navigated procedure may get slightly less blood loss because the surgery does not involve putting a rod down the thigh bone.



 

If you're considering knee replacement surgery and wish to explore whether computer-guided knee replacement is a suitable option for you, you can schedule a consultation with Mr Symes to discuss your individual case by visiting his Top Doctors profile.

Por Mr Tom Symes
Traumatología

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