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Revision Single Knee Replacement at Yapita Health

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Why would someone need to have a Revision Single Knee replacement?

Common indications of revision single knee replacement include:

  • Infection: Persistent or recurrent infection in the knee joint following the initial knee replacement surgery may require revision surgery to remove the infected components and treat the infection.

  • Mechanical Failure: Complications such as implant loosening, wear and tear of the components, or instability can lead to a mechanical failure of the initial knee replacement, necessitating revision surgery.

  • Implant Dislocation: Dislocation of the implant can occur as a result of component malposition, soft tissue imbalance, or trauma, and may require revision surgery to correct the dislocation.

  • Component Fracture: Fractures of the implanted components can occur due to trauma or stress on the knee joint and may require revision surgery to replace the fractured component.

  • Pain and Dysfunction: Persistent or worsening pain, limited range of motion, instability, or functional limitations that do not improve with conservative treatments may indicate the need for revision surgery to address the underlying issues.

What conditions can a revision single knee replacement treat?

Revision knee replacement treats infection, implant loosening, mechanical failure, implant dislocation, persistent pain, and dysfunction after an initial knee replacement.

Different Types of Revision Single Knee Replacement

  • Simple Revision: In this procedure, only certain components of the original knee replacement are replaced or corrected.

  • Complete Revision: This involves the complete removal and replacement of all components of the knee replacement.

  • Implant Exchange: This procedure involves removing the original implant and replacing it with a new one.

  • Bone Grafting: When there is significant bone loss, bone grafting may be performed to rebuild the damaged bone before the new implant is inserted.

  • Infection Management: Revision surgery is sometimes required to remove infected tissue, clean the joint, and insert antibiotic beads to treat persistent infections.

  • Patellar Resurfacing: If there are issues with the patella (kneecap), revision surgery may involve resurfacing or replacing the patellar component.

Requirements & Evaluation: Revision Single Knee replacement surgery

The following are essential requirements and evaluations while preparing for Revision Single knee replacement surgery:

  • Previous Knee Replacement: The patient must have already undergone a primary knee replacement surgery that requires revision due to complications or failure.

  • Persistent Pain or Dysfunction: The patient should experience persistent pain, instability, limited mobility, or other significant symptoms that have not improved or worsened since their initial knee replacement.

  • Identified Problem: There must be a specific problem identified with the original knee replacement, such as infection, implant loosening, mechanical failure, implant dislocation, or component wear.

  • Failed Non-Surgical Treatments: Non-surgical treatment options for the identified problem, such as antibiotics for infection or physical therapy for instability, should have been attempted but proved ineffective.

Revision Single Knee Replacement Procedure


The revision single knee replacement procedure is more complex and time-consuming than the primary knee replacement surgery. It typically involves the following steps:

  • Anesthesia: The patient will receive general anesthesia to ensure they are comfortable and asleep during the surgery.

  • Incision: The surgeon will make an incision, similar to the primary knee replacement surgery, but may need to extend it to allow better access to the implant components.

  • Implant Removal: The surgeon will remove the existing components of the knee replacement, including any cement or screws that were used to secure the implant.

  • Bone Preparation: The surgeon will remove any remaining bone cement or debris and prepare the bone surfaces to receive the new implant components.

  • Bone Grafting: If there is significant bone loss, the surgeon may perform additional bone grafting to rebuild the lost bone.

  • Implant Placement: The surgeon will then place the new implant components, which may include a new femoral component, tibial component, and/or patellar component. The components may be held in place with bone cement or screws.

  • Closure: Once the new components are in place, the surgeon will close the incision using stitches or staples and cover the knee with bandages.


What kind of follow-up care will I have during recovery?

Take medications on time and take regular follow-ups. Keep a healthy lifestyle and obey instructions given by the doctor. In case of any discomfort, contact your healthcare provider immediately.

Risk & Benefits

Benefits include improved mobility and reduced pain. Risks include infection, blood clots, nerve damage, implant failure, and prolonged recovery. Revision surgery is generally more complex than primary surgery and may involve longer hospital stays and recovery times. The risks and benefits should be discussed with a physician before deciding to undergo revision knee replacement surgery.


Recovery from revision single knee replacement surgery involves physical therapy, pain management, and gradually increasing activity levels. Generally, it can take 4 to 12 weeks of physical therapy to help restore range of motion, strength, and function. However, it can take up to 6 months to a year to fully recover from revision single knee replacement surgery. It is important for patients to follow their surgeon's instructions and to remain patient and committed to the recovery process.

FAQs Related to Revision Single Knee Replacement

Why is revision knee replacement needed?

Revision may be necessary due to wear and tear of the implant, loosening, infection, instability, or other complications that affect the function of the artificial knee joint.

How is revision single knee replacement different from primary knee replacement? 

In revision surgery, the existing artificial knee components are removed or adjusted, and new components are implanted. It is a more complex procedure than primary knee replacement due to the presence of the previous implant.

What are the signs that a revision may be needed? 

Persistent pain, swelling, instability, decreased range of motion, or the presence of complications like infection may indicate the need for revision.

How is the surgery performed? 

Revision involves removing the existing components, addressing any issues with the bone or surrounding tissues, and implanting new components to restore knee function.

Can all complications be addressed with revision surgery? 

While many complications can be addressed with revision surgery, the success of the procedure depends on various factors, including the nature of the complication and the overall health of the patient.

What is the recovery process like for revision knee replacement? 

Recovery is generally more extended compared to primary knee replacement. Physical therapy is crucial for regaining strength, flexibility, and mobility.

Are there risks associated with revision knee replacement? 

Risks include infection, blood clots, anesthesia-related complications, and the possibility of persistent or new complications. The surgeon will discuss these risks during the preoperative consultation.

Can a person lead a normal life after revision knee replacement? 

With successful surgery and proper rehabilitation, many individuals can lead active and fulfilling lives. However, expectations should be discussed with the healthcare team.

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