WHAT IS AN ARTHROSCOPIC MENISCECTOMY?
An arthroscopic menisectomy is a procedure in which the physician uses an arthroscope and other tools to remove all or part of a damaged meniscus in the knee, or if possible, to repair the meniscus. The meniscus is a piece of rubbery tissue (fibrocartilage) between the bones of the knee joint. An arthroscope is a tube with a camera and light at its end that projects an image of the inside of your knee on to a television monitor. The arthroscope is about the diameter of a pencil.
WHEN IS IT USED?
The procedure is used when you have damaged cartilage in your knee.
Examples of alternatives are:
- Limiting your physical activity
- Taking drugs to reduce swelling
- Having physical therapy
- Having open knee surgery
- Choosing to have no treatment, while recognizing the risks of your condition
You should ask your doctor about these choices.
HOW DO I PREPARE FOR AN ARTHROSCOPIC MENISCECTOMY?
Plan for your care and recovery after the operation, especially if you are to have general anesthesia. Allow for time to rest, and try to find people to assist you in day to day activities.
Follow the instructions provided by your physician. Do not eat or drink anything after midnight or the morning before the procedure, not even coffee, tea, or water.
WHAT HAPPENS DURING THE PROCEDURE?
You will be given a general, regional, or local anesthetic. Which type depends on you, your anesthesiologist, and your surgeon. A general anesthetic will relax your muscles, and make you feel as if you are in a deep sleep. Both local and regional anesthetics numb part of your body while you remain awake. All three types of anesthesia should keep you from feeling pain during the operation.
The surgeon will put an arthroscope and one or two tools into the knee joint through small incisions (cuts). Fluid is injected into the knee to expand the joint so that the structures and cartilage can be seen. The surgeon will examine the knee to find any damage. He or she may repair torn cartilage, or shave down the cartilage in the knee, and/or remove pieces of cartilage. The arthroscope and tools are then removed, and the incisions are closed with stitches.
WHAT HAPPENS AFTER THE PROCEDURE?
You will go home the same day, and should keep your leg elevated. Take it easy for at least the next 2 to 3 days. Do not take part in any strenuous activities until your doctor feels that you are ready.
After arthroscopy:
- Use crutches for 1 to 2 days or until you can walk nearly normally.
- Elevate your leg so that your ankle is higher than your knee and your knee is higher than your hip.
- Put ice on your knee for 20 to 30 minutes 3 or 4 times a day until symptoms are gone.
- Bend your knee when symptoms have decreased.
- Change your bandage after 4 days and cover the cuts with band-aids or gauze.
- If you have a brace or splint, consult your doctor.
- If the cartilage is repaired and not trimmed, your doctor may want you to use crutches longer and to not put weight on your leg.
Ask your doctor what other steps you should take and when you should come back for a checkup.
WHAT ARE THE BENEFITS OF THE PROCEDURE?
The arthroscopy may treat the knee without the need for open knee surgery with bigger incisions. There is also more rapid recovery than with open knee surgery.
WHAT ARE THE RISKS ASSOCIATED WITH THIS PROCEDURE?
- There are risks associated with general anesthesia, discuss these with your surgeon and anesthesiologist
- Local anesthesia may not numb the area quite enough, and you may feel some minor discomfort. In rare cases, you may have an allergic reaction to the drug used in this type of anesthesia. Local anesthesia is considered safer than general anesthesia in older people and for people that have certain medical conditions
- The blood vessels and nerves around the knee may be injured, causing numbness or weakness in the leg below the knee
- There is a risk of deep vein thrombosis, a condition in which a blood clot forms within a deep lying vein
- There is a risk of infection and bleeding
You should ask your doctor how these risks apply to you.
WHEN SHOULD I CALL THE DOCTOR?
Call your doctor immediately if:
- There is excessive drainage from the puncture sites
- There is unusual pain
- Your knee locks
- You develop a fever
- You develop signs of deep vein thrombosis
- You develop signs of infection
Call your doctor during office hours if:
- You have questions about the procedure or its result
- You want to make an appointment for a follow-up examination
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