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Anterior Cruciate Ligament Reconstruction

This webpage will give you information about an ACL reconstruction. If you have any questions, you should ask your GP or other relevant health professional.

What is the anterior cruciate ligament?

The anterior cruciate ligament (ACL) is one of the important ligaments that stabilise the knee joint (see figure 1). If this ligament has been torn (ruptured), the knee can collapse or ‘give way’ when making twisting or turning movements.

 

knee

 

Figure 1 - Diagram showing the internal structure of a right knee

How does an ACL rupture happen?

An ACL rupture happens as a result of a twisting injury to the knee. The common causes are football and skiing injuries. You can injure other parts of your knee at the same time, such as tearing a cartilage or damaging the joint surface.

What are the benefits of surgery?

If your ACL reconstruction is successful, your knee should not give way any more. This will allow you to be more active and return to some or all of your sporting activities.

Are there any alternatives to surgery?

Your physiotherapist can give you exercises to strengthen and improve the co-ordination of the muscles in your thigh. This can often stop your knee giving way during everyday activities. Wearing a knee brace can sometimes help during sports activities.

What does the operation involve?

A variety of anaesthetic techniques are possible. Your surgeon will make one or more cuts on the front and sides of your knee. Some surgeons perform the operation by arthroscopy (‘keyhole’ surgery) using a camera to see inside the knee. They will replace the ACL with a piece of suitable tissue (a graft) from elsewhere in the body. The top and bottom ends of the replacement ligament are fixed with special screws or anchors into ‘tunnels’ drilled in the bone.

What complications can happen?

1 General complications of any operation

  • Pain 
  • Bleeding
  • Infection in the surgical wound
  • Unsightly scarring 
  • Blood clots

 2 Specific complications of this operation

  • Break of the kneecap 
  • Damage to nerves around the knee
  • Infection in the knee joint
  • Discomfort in the front of the knee
  • Loss of knee movement
  • Recurrent giving way of the knee
  • Severe pain, stiffness and loss of use of the knee (Complex Regional Pain Syndrome)

How soon will I recover?

You should be able to go home after one or two days. Your surgeon may want you to wear a knee brace for a few weeks after the operation. Once the knee is settling down you will need to start intensive physiotherapy treatment which may continue for as long as six months. It is unlikely that your knee will ever be quite as good as it was before the original injury.

Summary

If your knee continually gives way after an ACL rupture, reconstruction offers the chance of improving the stability of your knee in everyday life and in sporting activities. You may be able to return to a level of sport that otherwise would not be possible.

Acknowledgements

Author: Mr Stephen Milner DM FRCS (Tr. & Orth.)

 

Illustrations: Mr Stephen Milner DM FRCS (Tr. & Orth.)

 

This document is intended for information purposes only and should not replace advice that your relevant health professional would give you.

 

Copyright © 2008 EIDO Healthcare Limited

 

The operation and treatment information on this website is produced by EIDO Healthcare Ltd and is licensed by Ramsay Health Care UK.

 

The intellectual property rights to the information belong exclusively to EIDO Healthcare Limited.

 

You may not copy, print out, download or otherwise reproduce any of the information other than for your personal, non-commercial use.

 

The information should not replace advice that your relevant health professional would give you.

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