An arthroscopy is a type of keyhole surgery used to diagnose and treat problems with joints.
It’s most commonly used on the knees, ankles, shoulders, elbows, wrists and hips.
Arthroscopy equipment is very small, so only small cuts in the skin are needed. This means it
has some advantages over “open” surgery, including:
You might need an arthroscopy if you have problems such as persistent joint pain, swelling or stiffness, and scans have not been able to find the cause.
An arthroscopy can be used to assess the level of joint damage resulting from an injury, such as a sports injury, or from underlying conditions that can cause joint damage, such as osteoarthritis.
The procedure can also be used to treat a range of joint problems and conditions, including:
treating arthritis, frozen shoulder, a torn anterior cruciate ligament (ACL), carpel tunnel syndrome or temporomandibular disorder (TMD)
Before having an arthroscopy, you’ll usually need to attend a pre-admission clinic.
During the appointment, your general health will be assessed to make sure you’re ready for surgery. You’ll also be given information about issues such as:
Your surgical team will explain the benefits and risks of having an arthroscopy. You’ll also be asked to sign a consent form to confirm you agree to have the operation and that you understand what’s involved, including the potential risks.
An arthroscopy is usually carried out under general anaesthetic although sometimes a spinal or local anaesthetic is used. Your anaesthetist will explain which type of anaesthetic is most suitable for you. Sometimes, you may be able to say which you would prefer.
If you have a local anaesthetic, your joint will be numbed so you do not feel any pain. You may still feel some sensations during the procedure, such as a slight tugging, as the surgeon works on the joint.
Antibacterial fluid is used to clean the skin over the affected joint and a small cut, a few millimetres long, is made in the skin next to the joint so that an arthroscope (a thin, metal tube with a light and camera at one end) can be inserted.
One or more additional incisions will also be made so that an examining probe or other fine surgical instruments can be inserted. The joint is sometimes filled with a sterile fluid to expand it and make it easier for the surgeon to view. The arthroscope sends images to a video screen or eyepiece, allowing the surgeon to see inside your joint.
As well as examining the inside of your joint, if necessary, your surgeon will be able to remove any unwanted tissue or repair damaged areas using tiny surgical instruments inserted through the additional incisions.
After the procedure, the arthroscope and any attachments are removed, along with any excess fluid from the joint. The incisions are usually closed using special tape or stitches and covered with a sterile dressing.
An arthroscopy usually takes 30 minutes to 2 hours, depending on the type of procedure carried out. You’ll be able to go home on the same day as the surgery or the following morning.
How long it takes to recover from an arthroscopy depends on the joint involved and the specific procedure you had.
It may be possible to return to work within 7 days if your job involves sitting at a desk, but if it’s more physical, you may need to stay off work for up to 2 weeks.
You may not be able to do more demanding physical activities, such as lifting and sport, for several months.
Your surgeon or care team will let you know how long it’s likely to take to recover and what activities to avoid until you’ve fully recovered.
While recovering, contact your GP or surgical team for advice if you think you may have a complication, such as an infection or blood clot.
An arthroscopy is generally considered to be a safe procedure, but like all types of surgery there’s a risk of complications.
It’s normal to have short-lived problems such as swelling, bruising, stiffness and discomfort after an arthroscopy. These usually improve in the days and weeks after the procedure.
More serious problems are much less common (less than 1 in 100) and include:
Speak to your surgeon about the possible risks before agreeing to have an arthroscopy.
Some people feel better after a few days, while others may not be back to normal for several months.
After your arthroscopy, you’ll be taken to a room to recover from the effects of the general anaesthetic, if it was used during the procedure.
You may have some pain in the affected joint. If you do, tell a member of the hospital staff, who will be able to give you painkillers.
Most people who have an arthroscopy are able to leave hospital on the day of surgery or the following morning. Before leaving, you may see a physiotherapist who will discuss exercises for you to do at home.
Depending on your procedure, you may need a temporary sling, splint or crutches to support and protect the joint while you recover. Special pumps or compression bandages are sometimes used to help improve blood flow.
You’ll probably feel tired and lightheaded after having a general anaesthetic, so you’ll need to ask someone to drive you home and stay with you for the first 24 hours. Most people recover from the effects of the anaesthetic within 48 hours.
If advised to do so, raise the joint and use ice packs to help reduce the swelling when you get home. You should also do any joint exercises that have been recommended for you.
Keep dressings as dry as possible by covering them with a plastic bag when having a bath or shower. If your dressings get wet or fall off, they’ll need to be replaced. Dressings can usually be removed after 5 to 10 days.
Your wounds should start to heal within a few days. If non-dissolvable stitches were used, they’ll need to be removed after 1 to 2 weeks. This can usually be done by a practice nurse at your local GP surgery.
You’ll have a follow-up appointment a few weeks after the operation to discuss the results of the surgery, your recovery, and any additional treatment you may need.
Your surgeon or care team will let you know how long it’s likely to take for you to fully recover and what activities you should avoid until you’re feeling better.
You’ll probably need a week or two off work, but this varies from person to person. It will depend on how quickly you recover and whether your job involves strenuous activity that could damage the joint.
You can drive when you no longer have pain and have enough strength to safely do an emergency stop. This may not be for a few weeks or several months after surgery. Your surgeon can give you more specific advice.
They’ll also be able to advise you about how long it will be before you can do strenuous physical activities, such as sport and heavy lifting. For many people, this is around 6 weeks after surgery, but sometimes it may not be for several months.
Contact a GP or the clinic where you had your operation if you have:
These could be symptoms of a complication of surgery, such as an infection or nerve damage.
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