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What Is Involved With Knee Replacement Surgery

The National Joint Registry

What is knee replacement surgery?

The National Joint Registry collects details of knee replacements done in England, Wales, Northern Ireland and the Isle of Man. Although it’s voluntary, it’s worth registering. This enables the NJR to monitor knee replacements, so you can be identified if any problems emerge in the future.

The registry also gives you the chance to participate in a patient feedback survey.

It’s confidential and you have a right under the Data Protection Act to see what details are kept about you.

Total Knee Replacement Facts

  • Patients with severe destruction of the knee joint associated with progressive pain and impaired function may be candidates for total knee replacement.
  • Osteoarthritis is the most common reason for knee replacement operation in the U.S.
  • Risks of total knee replacement surgery have been identified.
  • Physical therapy is an essential part of rehabilitation after total knee replacement.
  • Patients with artificial joints are recommended to take antibiotics before, during, and after any elective invasive procedures .

Why The Procedure Is Performed

The most common reason to have a knee joint replaced is to relieve severe arthritis pain. Your doctor may recommend knee joint replacement if:

  • You are having pain from knee arthritis that keeps you from sleeping or doing normal activities.
  • You cannot walk and take care of yourself.
  • Your knee pain has not improved with other treatment.
  • You understand what surgery and recovery will be like.

Most of the time, knee joint replacement is done in people age 60 and older. Younger people who have a knee joint replaced may put extra stress on the artificial knee and cause it to wear out early and not last as long.

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What Are The Risks

  • An infection at the surgical site is possible. Blood clots are a risk as are injuries to a blood vessel or a nerve. These complications are quite rare.
  • You may experience some knee joint stiffness.
  • Late complications may include infection and a failure or loosening of the prosthesis, as well as continued pain.

Implanting The Tibial Component

Knee Replacement Surgery Photograph by Jim Varney/science Photo Library

The bottom portion of the implant, called the tibial tray, is fitted to the tibia and secured into place using bone cement. Once the tray is in place, the surgeon will snap in a polyethylene insert to sit between the tibial tray and the femoral component, and act as a kind of buffer. This insert will provide support for your body as you bend and flex your knee.

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What Are The Advantages Of Knee Replacement

Long-term, you may still feel some discomfort and have to limit high-impact activity to protect the replacement joint. But knee replacement can relieve a lot of the pain and help you move much better. More than 90% of people who have a total knee replacement still function well 15 years after surgery.

How Much Should I Be Walking After A Knee Replacement

Strictly speaking, there is no limit to the amount of walking that you can do following a knee replacement. Your surgeon will not place a distance or time limit on your walking activities, as most patients find that their knee that is still recovering from surgery, and this will limit them instead. Walking is an excellent exercise to help promote recovery and healing in the knee and many patients find that the more walking that they can do, the quicker they recover from the surgery and the more functional they are in the long term. However, walking should also be supplemented with other exercises that demand a greater range of motion out of the knee such as a stationary bike or an elliptical trainer.

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When Surgery Is Recommended

There are several reasons why your doctor may recommend knee replacement surgery. People who benefit from total knee replacement often have:

  • Severe knee pain or stiffness that limits everyday activities, including walking, climbing stairs, and getting in and out of chairs. It may be hard to walk more than a few blocks without significant pain and it may be necessary to use a cane or walker
  • Moderate or severe knee pain while resting, either day or night
  • Chronic knee inflammation and swelling that does not improve with rest or medications
  • Knee deformity a bowing in or out of the knee
  • Failure to substantially improve with other treatments such as anti-inflammatory medications, cortisone injections, lubricating injections, physical therapy, or other surgeries

Total knee replacement may be recommended for patients with bowed knee deformity, like that shown in this clinical photo.

Total Knee Replacement Surgical Procedure

Knee Replacement Surgery | What to Expect

The goal of total knee replacement surgery is to relieve knee pain and increase knee function by resurfacing the bones that meet at the knee joint. The surgeon removes damaged portions of bone at the end of the femur and top of the tibia and replaces them with prosthetic components. Some surgeries also resurface the back of the patella, or kneecap.

Below is a step-by-step description of a typical total knee replacement surgery. The actual surgery typically lasts for 2 hours per knee.

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Other Forms Of Treatment

Without replacement surgery, a severely osteoarthritic knee joint may continue to deteriorate until it is impossible to go about your normal daily activities, such as standing up, walking or getting up from a seated position. Other forms of treatment include:

  • The use of walking aids, such as frames or walking sticks
  • Non-steroidal anti-inflammatory drugs
  • Corticosteroid injections
  • Other surgery, such as osteotomy an operation in which diseased bone is cut away in an attempt to properly align the malformed joint.

What Is A Knee Replacement

The knee is a hinge-like joint. The 2 bones at the knee joint are supported by muscles, ligaments and cartilage allowing you to bend and straighten your leg. In an arthritic or damaged knee, the surfaces of the bones become rough or the cartilage wears away causing pain and stiffness. During knee replacement, the knee joint is replaced with new smooth surfaced parts that will help relieve pain and restore function.

Your information booklet on total knee replacement surgery at QHC –

You may also wish to refer to this informative website —

To learn about Bundled Care in surgery, please .

We have created a series of videos to assist you in the preparation for your surgery. We encourage you to take the time to view all of them so you are well prepared for your pre-surgical visit at QHC BGH.

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Knee Joint Replacement Post

Physical therapy is important to your recover from knee joint replacement surgery. This video will illustration the exercises you will be required to do after your surgery. Please practice your exercises as instructed at least twice a day. You will begin doing exercises to start moving the new joint and strengthening the muscles surrounding the joint soon after surgery.

Looking For Alternatives To Total Knee Replacements

Knee Replacement Surgery Photograph by Dr P. Marazzi/science Photo Library

We’re also funding research which is investigating alternative approaches to total knee replacement. For example, total knee replacement is not recommended for many young people. This study aims to develop a new method called ToKa®, which uses images of the patient’s joint and specially designed software to design a patient specific implant that will be made via 3D printing. If successful, this technique could prevent osteoarthritis patients from needing total joint replacement.

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Problems With Knee Implants

Knee implants continue to get more sophisticated, but they are not perfect. They can wear down over time or may come loose from the bone. Scar tissue can grow around an implant, limiting its range of motion. And even when they work well, implants can cause a clicking sound as the knee bends back and forth.

Is The Patella Replaced In A Total Knee Replacement

4.3/5total knee replacementreplacingjointjointtotal knee replacementreplacingkneecap

Subsequently, one may also ask, is the patella removed during knee replacement?

Damaged cartilage and bone are removed from the knee joint. Upper end of the shin bone, which is the large bone in your lower leg â This bone is called the tibia. The replacementpart is usually made from metal and strong plastic. Back side of your kneecapâ Your kneecap is called the patella.

Beside above, what is replaced in a total knee replacement? A total knee replacement is a surgical procedure whereby the diseased knee joint is replaced with artificial material. The knee is a hinge joint that provides motion at the point where the thigh meets the lower leg. During a total knee replacement, the end of the femur bone is removed and replaced with a metal shell.

Consequently, is the kneecap replaced in a total knee replacement?

In a total knee replacement, both sides of your knee joint are replaced. Your surgeon makes a cut down the front of your knee to expose your kneecap. This is then moved to the side so the surgeon can get to the knee joint behind it. The damaged ends of your thigh bone and shin bone are cut away.

Can the patella be replaced?

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Risks Of Knee Replacement Surgery

Knee replacement surgery is a common operation and most people do not have complications. However, as with any operation, there are risks as well as benefits.

Complications are rare but can include:

  • stiffness of the knee
  • infection of the joint replacement, needing further surgery
  • unexpected bleeding into the knee joint
  • ligament, artery or nerve damage in the area around the knee joint
  • persistent pain in the knee
  • a break in the bone around the knee replacement during or after the operation

In some cases, the new knee joint may not be completely stable and further surgery may be needed to correct it.

What Is Partial Knee Replacement

What to expect during knee replacement surgery hospitalization | Ohio State Medical Center

A partial knee replacement is an alternative to total knee replacement for some people with osteoarthritis of the knee. This surgery can be done when the damage is confined to a particular compartment of the knee. In a partial knee replacement, only the damaged part of the knee cartilage is replaced with a prosthesis.

Once partial knee replacement was reserved for older patients who were involved in few activities. Now partial knee replacement is often done in younger people as their recovery is quicker and usually less painful. About 5% to 6% of people with arthritic knees are estimated to be eligible for partial knee replacement.

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Care After The Operation

Please give some thought as to how you will be looked after once you have had the operation, well in advance. Most people like to be independent, but you are going to need support with day-to-day activities for a while. If you have an able-bodied partner, this might fall to them, but otherwise you may need a friend or relative to come to stay with you for a while. Some people may arrange to stay in a care home until they have their mobility and independence back.

How Long Will My New Joint Last

In recent years, improvements in medical equipment and surgical techniques have meant that many knee replacements last longer than they did in the past.

A new study looking at over 6,000 people who have had knee replacement shows:

  • More than 4 in 5 people who have total knee replacements can expect them to last for at least 25 years.
  • 7 in 10 people who have a unicompartmental knee replacement can expect it to last for at least 25 years.

Clearly this will vary between different people, and you still need to take care of your new knee.

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Dont Let Knee Pain Slow You Down

You donât have to live with severe knee pain and the limitations it may put on your activities. If you havenât experienced adequate relief with medication or other conservative treatments, knee replacement surgery may provide relief from pain and enable you to return to your favorite activities. If conservative treatments have not offered you any relief, knee replacement surgery may provide you with the pain relief you need.

The Institute for Orthopaedic Surgery & Sport Medicine can help you become one of the millions of people across the country who have had a successful and life-changing knee replacement. Itâs our job to help treat your acute and chronic pain so you can comfortably function in everyday life.

For more information visit or contact a Fort Myers orthopedic surgeon today to schedule a consultation.

Stryker Corporation or its divisions or other corporate affiliated entities own, use or have applied for the following trademarks or service marks: Stryker and X3. All other trademarks are trademarks of their respective owners or holders.

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Surgical Treatment Of Knee Pain

Total knee replacement surgery

Partial knee replacement: The surgeon replaces the damaged portions of the knee with plastic and metal parts.

Total knee replacement: In this procedure, the knee is replaced with an artificial joint. It requires a major surgery and hospitalization.

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Tips To Speed Your Recovery After Knee Replacement Surgery

Nearly half of American adults will develop knee arthritis at some point during their lives. Pain, stiffness, and limited mobility are often the result of knee arthritis. Knee replacement surgery can relieve pain and restore function when your knee is severely damaged by arthritis or injury. The average recovery time from knee replacement surgery is approximately six months, but it can take roughly 12 months to fully return to physically demanding activities. Though the recovery process can be long, there are steps you can take to heal well and enhance your recovery speed.

Providing Better After Care For Patients

We’re funding research which aims to provide a standardised approach and assessment for virtual clinic follow-up of total joint replacement patients and subsequent management of patients identified as ‘at risk’ by this approach. This study would enable us to deliver better and more streamlined after care for patients.

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Types Of Knee Replacement Surgery

Knee replacement can be total or partial.

Total knee replacement : Surgery involves the replacement of both sides of the knee joint. It is the most common procedure.

Surgery lasts between 1 and 3 hours. The individual will have less pain and better mobility, but there will be scar tissue, which can make it difficult to move and bend the knees.

Partial knee replacement : Partial replacement replaces only one side of the knee joint. Less bone is removed, so the incision is smaller, but it does not last as long as a total replacement.

PKR is suitable for people with damage to only one part of the knee. Post-operative rehabilitation is more straightforward, there is less blood loss and a lower risk of infection and blood clots.

The hospital stay and recovery period are normally shorter, and there is a higher chance of more natural movement.

How Long Is It Before I Can Walk After A Knee Replacement

Knee Replacement: Dr. Mary O’Connor Discusses the Surgical Procedure

Most patients progress to a straight cane, walker or crutches within two or three days after surgery. As the days progress, the distance and frequency of walking will increase.

Patients are usually able to drive a car within three to six weeks after surgery and resume all other normal activities by or before six weeks. Complete recuperation and return to full strength and mobility may take up to four months. However, in many cases, patients are significantly more mobile one month after surgery than they were before they had their knee replacement

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How Long Will Total Knee Replacement Surgery Take

Urquhart: I like to put it in perspective for patients by using a flight analogy. While the actual operation may only take an hour or so, similar to a one-hour flight from Detroit to St. Louis, you should still budget plenty of time for the multiple steps before and after surgery just like the added time you budget to spend at the airport for security, checking your bags, etc.

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About Knee Replacement Surgery

One of the most important orthopedic surgical advances of this century, knee replacement was first performed in 1968. Improvements in surgical materials and techniques since then have greatly increased the procedures effectiveness. According to the American Academy of Orthopaedic Surgeons. about 267,000 total knee replacements are performed each year in the United States.

Most Common Causes for Knee Replacement
  • Arthritis: Arthritis is a wearing away of the surfaces of the joint, caused either by aging or disease. As the cartilage wears away, the raw bones rub together whenever the joint moves. This rubbing causes pain and a roughening of the surfaces of the bone.
  • Osteonecrosis: If the blood supply to the thigh bone is decreased, part of the bone will die and break from weight-bearing activity. The result is a very painful joint.
  • Injuries: Injuries include trauma and accidents, or continue abuse from sports injuries.

If medications, changing activity level, and using walking supports are no longer helpful, you may want to consider total knee replacement surgery. By replacing the knee’s damaged and worn surfaces, total knee replacement surgery may relieve pain, correct leg deformity, and helps many patients to resume their normal activities.

Total Knee Replacement: Traditional Procedure
Partial Knee Replacement
Mini-Incision Knee Replacement

This careful placement of the knee replacement usually leads to the following benefits:

Revision Surgery

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