Knee Replacement
Revision Knee Replacement in Surat
Revision knee replacement at Vedaant Orthopaedic Center, Surat — corrective surgery when an earlier knee replacement has worn, loosened, become infected or become unstable.
In short: Revision knee replacement removes a failed or worn knee implant and replaces it with new components, often with stems or augments to make up for lost bone. It is technically more demanding than first-time replacement, and the plan depends entirely on why the original replacement failed.
Why a knee replacement fails
Revision is not one operation. It is a family of operations, and which one you need depends on the reason for failure. Establishing that reason is the most important part of the process — operating without knowing why the first knee failed tends to produce a second failure.
- Wear of the polyethylene bearing. The plastic bearing wears over years of use. Debris from that wear can provoke bone loss around the implant.
- Aseptic loosening. The bond between implant and bone gives way without infection being present. The commonest long-term reason for revision.
- Infection. Either early after the original surgery, or later from bacteria seeded through the bloodstream. Handled very differently from other causes.
- Instability. The knee gives way because soft-tissue balance was never right or has been lost.
- Stiffness. Scarring that leaves the knee with too little movement to function.
- Periprosthetic fracture. A break in the bone around the implant, usually after a fall.
- Malalignment. Components positioned in a way that loads the knee unevenly and wears it out early.
Symptoms that suggest a replacement is failing
- Pain returning in a knee that had been comfortable
- A sense of the knee giving way or feeling unreliable
- New swelling, warmth or redness — particularly if you have been unwell
- Reduced walking distance after a period of doing well
- A grinding or clunking sensation that was not there before
- Fever or a discharging wound at any stage, which needs urgent assessment
How the cause is established
- History — when the knee changed, and whether there was ever a wound problem or illness
- Examination for alignment, stability and range of movement
- Serial X-rays, compared against films taken after the original surgery
- Blood tests for markers of infection
- Joint aspiration where infection is a possibility — fluid drawn from the knee and cultured
- Further imaging where bone loss needs to be quantified before planning
Infection has to be excluded before anything else, because an infected knee is treated on a completely different pathway from a worn one.
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What revision surgery involves
The failed components are removed with as little further bone loss as possible, which is itself a significant part of the operation. What follows depends on what is found:
- Where bone stock is good, new components may be similar to a primary replacement.
- Where bone has been lost, stemmed implants, metal augments or bone graft are used to restore support.
- Where ligaments are deficient, more constrained implants take over the stability the soft tissues can no longer provide.
- Where infection is confirmed, treatment is often staged: the implant is removed, an antibiotic spacer placed, intravenous antibiotics given for a period, and a new implant fitted only once the infection has cleared.
Revision surgery generally takes longer than the original operation, and recovery is slower. Expectations should be set accordingly — the aim is a stable, comfortable knee rather than a perfect one.
Risks
Revision carries the same risks as primary replacement — infection, clots, stiffness, loosening — at generally higher rates, because the tissues have been operated on before and the bone is compromised. Blood loss is greater and hospital stay is usually longer. These are discussed in detail before surgery.
Frequently asked questions
How do I know if my knee replacement has failed?
Returning pain, a knee that gives way, new swelling or reduced walking distance after a good period all warrant assessment. Fever or a discharging wound needs urgent review, as these suggest infection.
Is revision surgery more difficult than the first replacement?
Yes. Scar tissue, compromised bone and deficient ligaments all make it harder, and the operation usually takes longer. It is planned specifically around why the first knee failed.
Will I get the same result as the first time?
Revision usually improves pain and stability significantly, but function does not always match a well-performing primary replacement. An honest expectation is a stable, comfortable knee rather than a normal one.
What happens if the knee is infected?
Infection is usually treated in stages. The implant is removed, an antibiotic-loaded spacer is placed, antibiotics are given for a period, and a new implant is fitted once the infection has cleared. That process takes months rather than weeks.
Can any knee replacement be revised?
Most can. Where bone loss is severe or infection is persistent, options narrow and the plan is decided case by case after imaging and, where needed, aspiration of the joint.
How long is recovery after revision?
Longer than after a primary replacement. Early mobilisation still applies, but the overall rehabilitation is slower and weight-bearing may be restricted depending on what was done to the bone.
Related treatments
Visit the clinic
Vedaant Orthopaedic CenterUG/9B Galloping Corridor, GD Goenka School Road
(Canal Road – VIP Road)
Surat, Gujarat 395007
| Monday | 10:00 am – 8:00 pm |
|---|---|
| Tuesday | 10:00 am – 8:00 pm |
| Wednesday | 10:00 am – 8:00 pm |
| Thursday | 10:00 am – 8:00 pm |
| Friday | 10:00 am – 8:00 pm |
| Saturday | 10:00 am – 8:00 pm |
| Sunday | 10:00 am – 1:00 pm |
Medically reviewed by Dr Dev Padia, MS Ortho (USA)
Orthopaedic & Joint Replacement Surgeon, Vedaant Orthopaedic Center, Surat.
Last reviewed:
The information on this website is for general guidance and does not replace a personal medical consultation. Please consult a qualified doctor about your own symptoms.