Navigation-assisted total knee replacement (TKR)

Navigation-assisted total knee replacement (TKR) uses advanced computer technology to improve the accuracy and outcomes of knee surgery. Here is a detailed note on this procedure under your requested headings

Results of Navigation-Assisted TKR

Navigation-assisted TKR generally leads to more accurate implant alignment, better mechanical axis restoration, and improved long-term joint function compared to traditional techniques. Studies show reduced risk of early failure and revision surgeries, as well as improved patient satisfaction due to more natural knee movement.

What Happens During Navigation-Assisted TKR

During the procedure, the surgeon uses a navigation system that tracks the position of the knee and surgical instruments in real time. This system uses cameras and trackers to provide continuous feedback, ensuring precise bone cuts and implant placement. The navigation system helps avoid the need for intramedullary rods, minimizing bone trauma and improving surgical accuracy.

How to Prepare for the Surgery as a Patient

Patients should undergo a comprehensive pre-surgical evaluation, including clinical examination and imaging (X-rays, CT scans). Routine blood tests and medical clearance are necessary, and patients may be asked to stop certain medications before surgery. Fasting guidelines and pre-surgery instructions are provided, and physiotherapy advice is often recommended for post-operative recovery.

What All Tests Are Required for the Same

The required tests for navigation-assisted TKR include:

• Routine blood tests (CBC, ESR, RBS, RFT, PT-INR, Viral Serology).
• Electrocardiogram (ECG/ECHO) to check heart health.
• Chest X-ray to screen for lung issues.
• Advanced imaging such as X-rays, MRI, or CT scans to assess knee anatomy and plan implant placement.
• Urinalysis to check for infections or other diseases.
• Dental consultation to rule out foci of infection.
• Basic fitness check for anesthesia.

These tests ensure the patient is healthy enough for surgery and enable precise planning.

What Is the Usual Recovery Time ?

The typical recovery time for navigation-assisted TKR is about 4 to 6 weeks for most patients to resume light activities, with full recovery and return to normal activities taking 3 to 6 months. Physical therapy is usually started soon after surgery to help regain strength and mobility.