Knee replacement is a surgical procedure in which a damaged or worn-out knee joint is replaced with an artificial joint made of metal and plastic. The procedure is usually recommended for people who have severe knee pain and stiffness that has not improved with other treatments, such as medication, physical therapy, or weight loss.
During the surgery, the surgeon will make an incision in the knee and remove the damaged parts of the joint, including the cartilage and bone. They will then attach the metal and plastic components of the artificial joint to the remaining bone using cement or other materials. The new joint is designed to move smoothly and allow for a range of motion similar to a natural knee joint.
After the surgery, the patient will typically need to stay in the hospital for a few days and will need to use crutches or a walker for a few weeks while the knee heals. Physical therapy is also usually required to help the patient regain strength and flexibility in the knee.
Knee replacement surgery is generally safe and effective, and most people who undergo the procedure experience significant pain relief and improved mobility. However, like any surgery, it does carry some risks, including infection, blood clots, and nerve damage. It’s important to talk to your doctor about the risks and benefits of knee replacement surgery to determine if it’s the right option for you.
What is the success rate of knee replacement surgery?
The success rate of knee replacement surgery in India varies depending on several factors such as the age and overall health of the patient, the severity of the knee condition, the skill and experience of the surgeon, and the type of implant used. Generally, knee replacement surgeries in India have a high success rate of around 90-95%. However, it’s important to note that each patient’s experience and outcome may vary. It’s always advisable to consult with a qualified orthopedic surgeon to discuss the risks and benefits of knee replacement surgery and to determine if it’s the right course of treatment for your individual case.
Difference between Partial knee replacement (also called unicompartmental knee replacement) and total knee replacement
Partial knee replacement (also called unicompartmental knee replacement) and total knee replacement are two surgical procedures used to treat knee arthritis. However, they differ in several ways:
- The extent of Surgery: In a partial knee replacement, only the damaged part of the knee joint is replaced with an artificial implant, while the rest of the knee joint is left intact. In contrast, total knee replacement involves removing the entire knee joint and replacing it with an artificial joint.
- Recovery Time: Partial knee replacement is considered less invasive and requires a shorter recovery time than total knee replacement. Patients who undergo partial knee replacement typically spend less time in the hospital and are able to return to their normal activities more quickly than those who have a total knee replacement.
- Prosthesis Durability: Partial knee replacement may not last as long as total knee replacement, as the remaining parts of the knee joint that were not replaced may continue to wear down over time, leading to the need for further surgery. Total knee replacement, on the other hand, may last longer and provide more durable outcomes.
- Candidate Selection: Not all patients are good candidates for partial knee replacement. This procedure is typically recommended for patients who have arthritis limited to one part of the knee joint, and who have not experienced significant damage to the ligaments or other structures in the knee. Total knee replacement may be recommended for patients with more extensive arthritis or damage to the knee joint.
Ultimately, the decision to undergo partial knee replacement or total knee replacement depends on various factors, such as the extent of arthritis, the patient’s overall health, and their expectations for recovery and long-term outcomes. Patients should discuss their options with their doctor to determine which procedure is best for their individual needs.
What different knee replacement technologies are available?
There are several types of knee replacement technologies available in India that are considered safe and effective. Here are some of the most commonly used ones:
- Computer-Assisted Surgery (CAS): This technology uses a computerized system to help the surgeon position the implant more accurately, which can lead to better outcomes.
- Patient-Specific Instrumentation (PSI): PSI involves creating customized instruments that are tailored to the patient’s unique anatomy, which can improve the accuracy of the surgery.
- Robotic-Assisted Knee Replacement: In this technique, a robotic arm assists the surgeon in performing the procedure, providing greater precision and control.
- High Flexion Knee Replacement: This type of knee replacement allows for a greater range of motion and is often recommended for patients who want to engage in high-impact activities after surgery.
It’s important to consult with an experienced orthopedic surgeon to determine which type of knee replacement technology is best suited for your individual needs and medical condition.
Material Used in Knee Replacement Implants
There are several materials commonly used in knee replacement implants, including:
- Cobalt-chromium alloys: These metals are highly durable and wear-resistant, making them a popular choice for knee replacement implants. They are also highly polished, which can help reduce wear on the implant and surrounding bone.
- Titanium and titanium alloys: These materials are lightweight, corrosion-resistant, and biocompatible, which means they are less likely to cause an allergic reaction or rejection by the body.
- Polyethylene: This is a type of plastic that is often used to create the spacer between the two metal components of the knee replacement implant. It is durable, wear-resistant, and has a low friction coefficient, which can help reduce wear on the implant and surrounding bone.
- Oxinium: Oxinium materials are highly biocompatible and have a low friction coefficient, making them an attractive choice for knee replacement implants. They are also highly resistant to wear and can last longer than other materials.
In general, the choice of material for knee replacement implants depends on a number of factors, including the patient’s individual needs and the surgeon’s experience and preferences. It is important to discuss the various options with your surgeon to determine the best material for your individual case.
Post-Surgical Care for Knee Replacement
Post-surgical care after a total knee replacement is essential for ensuring a successful recovery. Here are some important aspects of post-surgical care to consider:
- Pain management: Pain and discomfort are common after a knee replacement surgery. Your doctor will prescribe pain medication to manage the pain. Follow the medication schedule and dosage recommended by your doctor.
- Physical therapy: Physical therapy is a critical component of post-surgical care after a knee replacement. Your doctor will recommend specific exercises and stretches to help you regain strength and mobility. It is important to follow the physical therapy plan to achieve optimal results.
- Wound care: You will need to keep the surgical incision site clean and dry to prevent infection. Follow your doctor’s instructions on how to care for the wound, change dressings, and when to contact your doctor if you notice any signs of infection.
- Compression stockings: Your doctor may recommend wearing compression stockings to prevent blood clots from forming in your legs after surgery. Follow your doctor’s instructions on how to wear and care for the stockings.
- Diet and nutrition: Eating a healthy, well-balanced diet can help support the healing process. Follow your doctor’s recommendations on dietary restrictions and supplements.
- Rest and relaxation: It is important to allow your body time to rest and recover after surgery. Follow your doctor’s instructions on how much rest you need and when it is safe to return to your normal activities.
- Follow-up appointments: Attend all follow-up appointments with your doctor to monitor your progress and make any necessary adjustments to your treatment plan.
Overall, following your doctor’s post-surgical care plan and maintaining a positive attitude can help you achieve a successful recovery and regain your mobility and quality of life.
- Type of service
- Cost of service
- Starting from ₹2,35,000