What should you know about revision knee replacement?

Revision can involve changing one component or rebuilding more of the knee. Possible concerns include loosening, wear, instability, infection, fracture, stiffness, or persistent pain from another source. Knee osteoarthritis may have led to the original replacement, but new knee pain after surgery needs a fresh assessment rather than an assumption about its cause. X-rays and other tests help guide the decision.

Tell the orthopaedic team when symptoms began, whether the knee gives way, and how far you can walk or climb stairs. Bring implant information if available and disclose dental, skin, urinary, or other infections. The surgeon may discuss bone cement, titanium implant parts, cobalt-chrome alloy, highly cross-linked polyethylene, and whether computer navigation for surgery is useful. Recovery commonly requires structured physiotherapy and support at home.

Seek prompt review for increasing warmth, redness, drainage, fever, sudden swelling, or a knee that becomes newly unstable. Emergency assessment is needed after a fall with deformity or inability to bear weight, or for chest pain, sudden breathlessness, or a painful swollen calf.

Ask what is causing the problem, which implant parts would change, and what tests are needed before surgery. Discuss bone quality, infection evaluation, expected mobility, equipment at home, wound care, blood-clot prevention, and the rehabilitation milestones that fit your health.