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What is Knee Replacement?

Knee replacement, or knee arthroplasty, is a surgical procedure that is commonly recommended to restore the mobility and normal function of the knee joint. There are various reasons for which the orthopedic surgeon can advise you to get knee replacement surgery, such as osteoarthritis, knee arthritis, trauma, or knee injury. It is usually oly advised to people who have become bedridden due to severe knee joint pain and/or instability.

 

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Best Doctors For Knee Replacement

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    Best Clinics For Knee Replacement

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      Best Orthopedic Clinic for Knee Replacement Surgery

      Best Orthopedic Clinic for Knee Replacement Surgery

      Pristyn Care provides advanced knee replacement surgery that is performed with the help of the latest and minimally invasive technique, i.e., Arthroscopy. Our treatment centers are well equipped with state-of-the-art surgical instruments and has modern infrastructure to offer the best possible knee replacement surgery. 

      At Pristyn Care we have highly experienced orthopedic surgeons. They perform advanced arthroscopy and provide comprehensive knee replacement treatment without any complications Our orthopedic surgeons have specialization in performing advanced  and effective knee replacement treatments for successful results. 

      What are the components of knee implants?

      What are the components of knee implants?

      Knee implants are prosthetics that are used in order to replace the damaged or affected knee joint. Artificial knee implants help in getting rid of mobility issues and aid you in moving freely from one place to another without any pain or discomfort. 

      There are three main components in a knee implant:

      • Femoral component: This part of the implant is directly attached to the femur and has a groove that allows the patellar component to slide while you are bending the knee joint.
      • Tibial component: It is a flat two-piece metal and plastic part of the implant that is attached to the tibia. The plastic part acts as a cushion between the tibial and femoral components.
      • Patellar component: It is a plastic dome-shaped component that is resurfaced to match the shape of the patella. 

      The plastic components of the implant are made of polyethylene, while the metal component is usually made of cobalt-chromium, titanium, zirconium, and nickel. Knee implants can be categorized into four categories based on what they are made of:

      • Metal on plastic
      • Ceramic on plastic
      • Ceramic on ceramic
      • Metal on metal

      What happens in knee replacement surgery?

      What happens in knee replacement surgery?

      Diagnosis 

      An orthopedist specializes in diagnosing and treating bones related problems. S/he thoroughly conducts diagnosis which includes-

      • Physical examination, in which the doctor will assess the knee joint pain, function, symptoms, etc. 
      • A detailed discussion of family and  medical history to determine the cause of the condition
      • Diagnostic imaging tests such as X-ray, MRI, etc. are recommended to detect the extent of knee joint dysfunction

      Procedure of knee replacement surgery

      Arthroscopic knee replacement procedure takes about 1 to 3 hours and can be performed under either general or spinal anesthesia. During the surgery, the surgeon places a cut on the front of the knee to expose the kneecap. Then, they remove the damaged parts of the joint and position the knee prosthetic. Usually, a special bone, ‘cement’ and a plastic spacer, is placed between the knee implant and the bones that act as a cartilage and reduce friction during the joint movement. Then the wound is closed, using sutures or clips, and dressed. Since the surgery is minimally invasive, there is very little bleeding, and the procedure usually does not need any blood transfusions.

       

      How to prepare for knee replacement surgery?

      How to prepare for knee replacement surgery?

      Knee replacement is a major treatment, so you need to prepare well before the surgery. Preparation before knee replacement surgery is done on two levels: medical and home preparation.

      Medical preparation before knee replacement treatment includes:

      • Clearly relay your medical history to your knee replacement surgeon. Inform your orthopedic doctor about any pre-existing medical conditions you are suffering from and the medicines you are currently taking for them. If you are taking aspirin, steroids, opioids, and other similar medicines, your surgeon may ask you to limit or stop their usage before and after a week of the surgery.
      • You may need to completely avoid tobacco use before and after the surgery, as nicotine slows down the healing process and increases the chances of the patient developing post-surgical complications such as DVT (deep vein thrombosis).
      • In addition to relaying your medical history to your orthopedic doctor, you should also check with your regular doctor to ensure that you are in optimum health for the surgery.
      • Alcohol can counteract anesthesia and cause complications during the surgery. Therefore, you should stop consuming any alcohol for at least 2-3 days before the surgery.
      • In case you develop any sudden illness such as a fever, cold, flu, etc., inform your orthopedic surgeon immediately so that they can modify the procedure as needed.

      When is knee replacement surgery required?

      When is knee replacement surgery required?

      There are certain factors that indicate that one requires knee replacement surgery. Some of them are-

      • Continuous pain and discomfort in the knee joint can not get cured through medication and other oral treatments. 
      • The knee cap is damaged because of any trauma or degenerative disease. 
      • Inability to walk due to extreme stiffness and pain while walking or climbing stairs

      Benefits of Minimally Invasive Knee Replacement Surgery

      Benefits of Minimally Invasive Knee Replacement Surgery

      The following are a few advantages of undergoing minimally invasive knee replacement surgery compared to traditional knee replacement surgery-

      • Shorter incisions (mostly 3 to 4 inches)
      • The recovery duration is shorter 
      • Reduces chances of excessive bleeding during knee replacement surgery
      • The success rate is higher than in conventional knee replacement surgery.
      • Minimally invasive knee replacement surgery has lesser chances of infection. 

       

      Taking care of yourself after knee replacement surgery

      Taking care of yourself after knee replacement surgery

      After undergoing knee replacement surgery, you will need to be cautious about how you use your knee, especially for the first few weeks after your surgery. Your doctor will encourage you to walk as soon as you can. You can begin walking with the help of walking aids or support. But in no time, most patients feel comfortable walking on their own. 

      Here is a typical timeline of the progress you can expect to see in the first 3 months of recovery after knee replacement surgery-  

      • One month after your surgery- One will be able to start with low-impact daily activities like driving, walking, household chores, and daily errands.
      • Two months after your surgery- Around the end of the second month, most patients are allowed to start low-impact physical activities such as swimming, biking, and taking long walks again. However, depending on your recovery and well-being, your doctor may suggest you wait for a few more days or weeks before resuming such activities. 
      • Three months after your surgery- You will probably be able to return to certain high-impact physical activities such as running or other activities that you enjoy. You will need to get your doctor’s approval before taking this step. Your orthopedic doctor will recommend you to start slow and give yourself time. Eventually, you will be able to return to the level of activity that you were used to. 

      FAQs about Knee Replacement

      When should I consult an orthopedist for knee replacement?

      You may need knee replacement surgery after a serious knee injury or other painful conditions like osteoarthritis, rheumatoid arthritis, etc., that may limit your ability to perform everyday tasks, such as walking, climbing stairs, etc.

      What is the recurrence rate of knee problems after knee replacement?

      Generally, after a successful knee replacement, the patient would not experience any knee-related issues for at least the next 10-15 years.

       

      How can I choose the best implant for me?

      Typically, the choice for a knee implant depends on various factors such as the patient’s age, type of surgery, health condition, the severity of knee degeneration, budget, etc. Therefore, the implant is chosen by the doctor and patient together, following careful consideration.

       

      How soon after knee replacement can I start walking?

      You will be able to get out of bed and start walking the same day after the surgery, and will typically be discharged from the hospital 2 to 3 days after the surgery. Rehabilitation will begin immediately after the surgery with a supervised and personalized exercise program monitored by an orthopedic surgeon. You will not have pain and will be given medications to manage pain, prevent complications, and boost recovery.

       

      How long will I be hospitalized after a knee replacement?

      Most patients are discharged from the hospital 3 – 5 days after minimally invasive knee replacement surgery.

       

      How long will I feel pain after knee replacement surgery?

      After knee replacement, initial pain, inflammation, and swelling typically resolve within 2 to 4 weeks. The pain is not severe and can be easily managed with painkillers and anti-inflammatories.

       

      What type of anesthesia is used for knee replacement?

      Spinal or general anesthesia is typically used to make the area numb for Knee replacement surgery.

       

      At what age should I go for knee replacement surgery?

      Minimally invasive knee replacement surgery can be carried out in adult patients of all ages. Even patients who are above the age of 50 years who are medically fit and are in good health can undergo knee replacement surgery if their lifestyle and activities are restricted by painful conditions like arthritis of knee joints.

      Are there any risks involved in knee replacement surgery?

      Are there any risks involved in knee replacement surgery?

      Knee replacement surgery is performed with advanced and minimally invasive techniques, i.e, arthroscopy. But, like any other surgery, knee replacement surgery may also involve a few potential risks that can be discussed with your orthopedic surgeon. Some of the risks are- 

      • Infections
      • Ligament damage during or post knee replacement surgery
      • Allergic reaction to bone cement
      • Nerve and artery damage around the affected knee joint
      • Poor reaction to administered anesthesia during knee replacement surgery
      • Excess scar tissue buildup
      • Pain and stiffness in the knee joint post-surgery
      • Chances of deep vein thrombosis 

      Types of Knee Replacement

      Total knee replacement (TKR)

      During this procedure, the orthopedic surgeon replaces the damaged joint completely with an artificial or prosthetic joint. This is often recommended when the bones are severely damaged because of any injury or bone degenerative diseases.

      Partial Knee Replacement

      In partial knee replacement cases, only part of the knee joint is degenerated. Therefore, the surgeon recommends knee replacement for the affected side, which is known as partial knee replacement.

      Revision or Complex Knee Replacement

      People affected with severe arthritis may be advised knee replacement two to three times to restore complete knee function. In this procedure, the surgeon uses a modified implant in order to provide more stability to the affected knee joint.

      Kneecap Replacement

      This is also known as Patellofemoral arthroplasty. When the under the surface area of the kneecap is affected because of degenerative diseases, the surgeon recommends replacing the patellofemoral part of the knee joint.

      Case Study

      Case Study

      Ms. Akshi Chauhan(changed name) approached Pristyn Care and got connected with one of our medical coordinators. She complained about excruciating pain and swelling in the left knee, because of which she was facing issues in walking and moving her leg.  

      Our medical coordinator booked her appointment with our expert orthopedic doctor, Dr. Abhishek Bansal. He scheduled a physical examination to assess the severity of the condition. He informed the doctor that she had a sports injury and started experiencing pain after the incident. The doctor recommended a few diagnostic tests, including X-ray, MRI, and other imaging tests, to get a clear picture of the knee joint and bone.

      After getting the diagnostic tests results, Dr. Bansal informed the patient about knee bone deformity and advised partial knee replacement surgery. She stayed in the hospital for 3 days and got discharged when there were no odd signs post-surgery. Dr. Bansal a few guidelines for smooth recovery duration and scheduled 3 follow-up consultations. 

      Ms. Chauhan underwent physiotherapy for 5 weeks and recovered successfully. The surgery helped her in restoring the stability and mobility of the knee joint. She is now playing sports without any difficulty.

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