Knee Replacement ¦ Orthopaedics

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Knee Replacement 

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Knee replacement is knee surgery to repair worn arthritic knee joints or knee injuries using an artificial knee joint to help reduce pain and restore movement in your knee.

What is a knee replacement? 

Knee replacement surgery, also known as knee arthroplasty, replaces damaged, worn or diseased cartilage and bone in your knee joint with a prosthetic joint made of metal, ceramic or plastic. It aims to reduce your pain and allow your joint to move in the same way as a natural joint so as to improve your mobility.

There are two main types of knee replacement:

Total knee replacement (TKR) surgery – the whole of your existing knee joint is replaced.
Partial knee replacement (PKR) – also called unicompartmental or half-knee replacement as only one side of your knee is replaced, used when knee arthritis is confined to one compartment of your knee.

Your knee surgeon will discuss the best knee replacement surgery for your knee anatomy needs.

Most people have knee replacement surgery under general anaesthetic. Your surgeon will make a cut down the front of your knee and move your kneecap to one side to reach your joint. 

They will remove worn or damaged surfaces from the end of your thigh bone and the top of your shin bone and shape them to fit your artificial knee joint. Cement may be used to bond the new joint to your bones. Once the new joint is in place they will close your incision. 

Who might need a knee replacement?

Knee replacement surgery is often recommended if you have:

arthritis or an injured knee joint that is severely painful and, impairing your mobility, ability to do everyday tasks and your quality of life and sleep and
tried non-surgical treatments, such as non-steroidal anti-inflammatory drugs (NSAIDs), physiotherapy and steroid injections and, they haven't relieved your pain and helped your movement.
Initially, you might visit your GP if you are experiencing persistent pain in your knee or you are finding it difficult to do normal things because of stiffness or loss of mobility. They may carry out a physical examination, and order X rays and blood tests to diagnose the underlying problem. Your GP may recommend non-surgical treatment options or refer you to a consultant orthopaedic surgeon to discuss other options including a knee replacement operation. If you are overweight, you may be asked to lose weight as this will reduce the strain on your knee.

What conditions may lead to needing a knee replacement? 

The usual reason for a knee replacement is arthritis, with the most common type being osteoarthritis. This is the gradual wear and tear of your knee joint that results in damage to your cartilage covering the surface of your joint and the bone underneath and is very painful. 

How long does a knee replacement last?

A knee replacement operation can take up to two hours depending on the type of replacement surgery. 

Most people enjoy less pain and better mobility following their knee replacement. You can expect your knee replacement to last at least ten years and up to twenty years.

How long are you out of work for a knee replacement?

The length of time you are out of work following a knee replacement is dependent on your individual circumstances including: your health, how you respond to knee surgery, how you heal and, the type of job you do. 

If you have a desk job, you may return to work around six to eight weeks after your knee replacement. If your job is more physically demanding and involves a lot of heavy lifting, standing up or walking for long periods of time you may need to take up to 12 weeks off work after knee surgery. 

When considering your return to work you will also need to think about your ability to get to and from work and, the amount of painkiller you are taking as this can cause drowsiness.
It may be that you agree a phased return to work with your employer.

Getting back to your normal work routine sooner rather than later can help you to recover more quickly. Too much time may be detrimental to your health as you could become isolated and depressed.

How long does it take to walk after a knee replacement?

The time it takes to walk after a knee replacement can vary from person to person. 

You will be encouraged to stand and walk whilst you are in hospital. 

Most people are able to walk on their own using crutches or sticks about a week after their knee replacement. These walking aids support you whilst your muscles are weak and help prevent falls that could damage your joint.

You will gradually build up your strength in your knee after a knee replacement by keeping active and doing the exercises advised by your physiotherapist.

Six weeks after your knee surgery, you should be able to stop using walking aids and resume your normal leisure activities.

Can you kneel down with a knee replacement?

You should not kneel on your operated knee until your surgeon gives you the green light to do so. This is usually around three months after your knee surgery when the scar tissue has healed enough.

Many people can kneel without any discomfort once they have fully recovered from a knee replacement but others may find it uncomfortable to do so. As time passes you should find it easier to kneel. Using a pillow, a cushion or knee pads can make kneeling more comfortable.

Some people avoid kneeling after knee replacement surgery as they have the misconception or uncertainty that it may be harmful to their knee following knee surgery. You should talk through any worries you have about your knee replacement in detail with your knee surgeon.

What is the cost of a knee replacement?

If you decide to pay for your treatment, Ramsay offer an all-inclusive Total Care package, where a single one-off payment at a pre-agreed price, delivering direct access to all the treatment you need for complete reassurance. You can also spread the cost of your treatment with finance options available.

A knee replacement may be covered by your medical insurance policy. We advise you to check directly with your insurance provider and get written confirmation before commencing treatment. 

How long will it take to recover from a knee replacement?

At Ramsay, we are very conscious that a speedy recovery is important after knee replacement surgery. Aftercare is a valuable part of our care and we aim to get you back to normal life, as soon as possible.

You will typically stay in hospital with us for two to four days. One of our physiotherapists will explain and demonstrate exercises to do at home to help strengthen your knee and they will offer advice about everyday living and what you should and shouldn’t do. Initially you’ll be given crutches or a frame to help you walk. Physiotherapy is often advised for a number of weeks after knee replacement.

In the immediate period following your return from hospital, you may need help in the house and with your usual activities. Gradually, you will be able to move around more and start driving and doing housework, and return to work. You may need painkillers for this initial period.

We will offer you a follow up appointment with your consultant to check on your progress.

Your knee replacement recovery is individual to you. It can take up to 12 weeks for pain and swelling to go down, but many patients will recover quicker than this. You should follow your knee surgeon’s post-operative advice. 

Our staff will be able to answer any questions you have about your recovery and what you can expect over the weeks after your operation.

Why go private for a knee replacement

One of the major advantages of seeing a knee surgeon privately is that your appointments and treatment are arranged at times to suit you and without any unnecessary waiting. This is especially important if you are in a lot of pain or if you want to avoid particular dates for surgery.

You will be treated by an experienced orthopaedic surgeon with a special interest in knee surgery who will be able to discuss your individual needs and select the best prosthesis for you.

Additional benefits of being a Ramsay Premium Care patient include:

choice of consultant, where possible
rapid access to expert opinion on the best treatment for you
fast track admission and discharge
single bedded rooms with en suite bathroom and flat screen TV
choice from our a la carte menu as an inpatient

Knee replacement with Ramsay Health Care

At Ramsay Health Care Hospitals, you will receive the very best of care and all the support you need before, during and after your knee replacement surgery. Our leading knee surgeons are supported by orthopaedic nursing staff, consultant radiologists and chartered physiotherapists to deliver your personal treatment plan.

We understand the debilitating nature of knee pain. Our aim is to provide you with fast and convenient appointments for the diagnosis and treatment of your knee problem, so that we can quickly lessen your pain and get you moving more and returning to the activities you enjoy.

Contact us to book your appointment.

 

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