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General enquiries:
+44 (0)207 935 4444
Book an appointment:
+44 (0)207 616 7693
Self-pay enquiry:
+44 (0)203 219 3315

What is arthritis?

Arthritis is a group of conditions that cause damage to one or more joints.

Figure showing a unicompartmental knee replacement

 

The most common type of arthritis is osteoarthritis, where there is gradual wear and tear of a joint.

Arthritis eventually wears away the normal cartilage covering the surface of the joint and the bone underneath becomes damaged. This causes pain and stiffness in the joint, which can interfere with normal activities. If only part of your knee is damaged by arthritis, you can sometimes have a unicompartmental knee replacement instead of a total knee replacement.

What are the benefits of surgery?

You should get less pain and be able to walk more easily. A unicompartmental knee replacement may bend better and feel more like a normal knee than a total knee replacement.

Are there any alternatives to a knee replacement?

Simple painkillers such as paracetamol and anti-inflammatory painkillers such as ibuprofen can help control the pain of arthritis.

Using a walking stick on the opposite side to the affected knee can make walking easier. Wearing an elasticated support on your knee can help it feel stronger.

Physiotherapy may help to strengthen weak muscles.

A steroid injection into your knee joint can sometimes reduce pain and stiffness for several months.

An operation called a tibial osteotomy changes the shape of your leg and can take the load off the worn part of your knee.

What does the operation involve?

Various anaesthetic techniques are possible. The operation usually takes an hour to 90 minutes.

Your surgeon will make a cut on the front of your knee and will check that your knee is suitable for a unicompartmental replacement.

Your surgeon will remove the damaged joint surfaces. They will replace these with an artificial knee joint made of metal, plastic or ceramic, or a combination of these materials.

Your knee replacement is fixed to the bone using acrylic cement or special coatings on your knee replacement that bond directly to the bone.

What complications can happen?

Some of these can be serious and can even cause death.

General complications of any operation

  • Pain
  • Bleeding
  • Infection of the surgical site (wound)
  • Unsightly scarring of your skin
  • Difficulty passing urine
  • Blood clot in your leg
  • Blood clot in your lung
  • Chest infection
  • Heart attack
  • Stroke

Specific complications of this operation

  • Damage to nerves around your knee
  • Damage to blood vessels behind your knee
  • Bearing dislocation, where the piece of plastic in the middle of your knee replacement comes out of place
  • Infection in your knee
  • Loosening
  • Severe pain, stiffness and loss of use of your knee

How soon will I recover?

You should be able to go home after 1 to 4 days.

You may need to use a walking aid for a few weeks.

Regular exercise should help you to return to normal activities as soon as possible. Before you start exercising, ask the healthcare team or your GP for advice.

Most people make a good recovery, have less pain, and can move about better. An artificial knee never feels quite the same as a normal knee.

A unicompartmental knee replacement can wear out with time.

Why choose The London Clinic?

The London Clinic is dedicated to providing the best, personalised healthcare with over 600 world-renowned consultants available to offer informed health advice and treatment.

Spanning Harley Street and Devonshire Place, The London Clinic is situated in the heart of London’s internationally-known medical district. This central location, together with state-of-the art technologies and facilities that are not widely available in other hospitals, makes The London Clinic the hospital of choice for around 120,000 patients every year.

The London Clinic is an HTA licensed and JACIE accredited cancer centre with an ‘Excellent’ MacMillan Quality Environment Mark and with access to a Level 3 intensive care unit.

Offering affordable and competitive self-pay packages and expert support from Clinical Nurse Specialists and our specialised multidisciplinary team, over 98% of our patients said they would recommend The London Clinic to their friends and families.

TREATMENT COST

The London Clinic offers affordable, competitive self-pay packages for certain treatments. Please call +44 (0)20 3219 3315 to speak to our helpful team to find out more and to book an appointment.

Summary

Arthritis of your knee usually happens without a known cause. It can sometimes affect only part of your knee. If you have severe pain, stiffness and disability, a unicompartmental knee replacement should reduce your pain and help you to walk more easily.

Disclaimer

The operation and treatment information on this website is published under license by The London Clinic from EIDO Healthcare UK and is protected by copyright laws. Other than for your personal, non-commercial use, you may not copy, print out, download or otherwise reproduce any of the information. The information should not replace advice that your relevant health professional would give you.

mEDICAL aDMISSIONS

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Facilitating acute admissions into The London Clinic whilst maintaining the highest levels of safety and care, supported by a consultant on-call rota.

Concierge service

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We can support our patients with travel, hotel accommodation, London tours, plus theatre and restaurant reservations.

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Main numbers

General enquiries: 020 7935 4444 Appointments: 020 7616 7693 Self-Pay: 020 3219 3315

Other numbers

Concierge service: 020 3219 3323International office: 020 3 219 3266Invoice and payment enquiries: 020 7616 7708

Your call may be recorded for training and monitoring purposes.

Medical service numbers

Breast services appointments: 020 7616 7653 Diagnostics appointments: 020 7616 7653 Endoscopy appointments: 020 7616 7760 Eye centre appointments: 020 7616 7768 Haematology appointments: 020 7535 5503 Kidney services appointments: 020 7224 5234 Liver services appointments: 020 7616 7719 Physiotherapy appointments: 020 7616 7651 Radiology appointments: 020 7616 7653

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