Our Summary

This research paper discusses a new development in knee surgery technology. While a type of knee surgery called unicompartmental knee arthroplasty can have fewer complications and better results than total knee surgery, it’s critical that the artificial joint is placed accurately and the surrounding soft tissue is balanced properly to ensure the joint lasts as long as possible. The first generation of robotic technology improved the accuracy of joint placement compared to traditional methods. This article reviews a new generation of this technology, a handheld robotic tool that doesn’t require pre-surgery scans and is affordable enough to be used in outpatient surgery centers. This new tool may provide a better way to optimize joint placement and soft tissue balance in knee surgeries.

FAQs

  1. What advantages does unicompartmental knee arthroplasty have over total knee arthroplasty?
  2. How does the next-generation robotic technology improve implant positioning and soft tissue balance in unicompartmental knee arthroplasty?
  3. Is the image-free handheld robotic sculpting tool suitable for use in outpatient surgery centers?

Doctor’s Tip

A doctor may tell a patient undergoing knee replacement surgery that utilizing robotic technology can improve the accuracy of implant positioning and soft tissue balance, leading to better outcomes and potentially longer implant durability. This technology can be a beneficial option for optimizing results without the need for preoperative imaging scans and can be used in outpatient surgery centers.

Suitable For

Patients who are typically recommended for knee replacement surgery include those with severe knee pain that limits daily activities, stiffness and swelling in the knee joint, chronic knee inflammation and pain that is not relieved by medication or other treatments, and knee deformities that interfere with normal function. Additionally, patients with advanced osteoarthritis, rheumatoid arthritis, or post-traumatic arthritis may also be candidates for knee replacement surgery. It is important for patients to consult with their healthcare provider to determine if knee replacement surgery is the best course of treatment for their specific condition.

Timeline

Before knee replacement:

  • Patient experiences chronic knee pain, stiffness, and swelling
  • Patient undergoes a consultation with an orthopedic surgeon to discuss treatment options
  • Preoperative tests and evaluations are conducted to assess the patient’s overall health and candidacy for surgery
  • Patient may undergo physical therapy and other conservative treatments to improve knee function and strength before surgery

After knee replacement:

  • Patient undergoes knee replacement surgery, typically under general anesthesia
  • Patient is monitored in the hospital for a few days post-surgery for pain management and physical therapy
  • Patient begins rehabilitation and physical therapy to regain strength and mobility in the knee
  • Over the next few weeks and months, patient continues physical therapy and gradually increases activity levels
  • Patient may experience some pain and discomfort during the recovery process, but should see improvement in knee function and mobility over time

What to Ask Your Doctor

  1. What are the potential risks and complications associated with knee replacement surgery?

  2. How long is the recovery period after knee replacement surgery and what can I expect in terms of pain management?

  3. How will the robotic technology used in my surgery improve the accuracy of implant positioning and soft tissue balance?

  4. Can I expect better functional outcomes with this next-generation robotic technology compared to traditional methods?

  5. Will I need to undergo preoperative computed tomography scans with this robotic technology?

  6. How long do knee replacements typically last and what factors can affect the longevity of the implant?

  7. Are there any specific exercises or physical therapy recommendations I should follow post-surgery to optimize my recovery and outcomes?

  8. How soon can I expect to return to my normal activities, such as walking, driving, and exercising, after knee replacement surgery?

  9. Are there any lifestyle modifications or precautions I should take to protect my new knee joint?

  10. What follow-up appointments or monitoring will be necessary after the surgery to ensure the success of the knee replacement?

Reference

Authors: Lonner JH. Journal: Orthop Clin North Am. 2016 Jan;47(1):29-40. doi: 10.1016/j.ocl.2015.08.024. PMID: 26614918