Prosthetic models
Total replacement is certainly the most widely used model and the one with the highest probability of duration over time.
The uni-compartmental prosthesis has the advantage of being less invasive during surgery and a shorter post-operative rehabilitation period but it has limited applications, in the presence of uni-compartmental osteoarthritis without ligament injuries in non-overweight patients.
In the event that osteoarthritis only affects the patella, the use of the patellofemoral prosthesis is suggested.
Constrained prostheses are the only solution for severe instability.
Revision prostheses are used in the case of major bone loss caused by the removal of a loosened prosthesis.
The choice varies according to the quality of the host bone, the age of the patient and the experience of the surgeon.
Prosthetic implants are made up of alloys of various metal elements that could cause an allergic reaction: allergy coatings block the release of ions and prevent these post-operative complications.
Cemented prostheses, which are fixed to the host bone with cement.
Uncemented prostheses, which are attached by direct integration of the host bone into the prosthetic surface.
The information provided is not medical advice, nor is it intended as a substitute for medical advice. Under no circumstances should this information be a substitute for a consultation, examination or diagnosis given by a doctor.
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