Arthroscopy is a common surgical procedure in which a joint (arthro-) is viewed (-scopy) using a small camera. Arthroscopy gives doctors a clear view of the inside of the knee. This helps them diagnose and treat knee problems.
Technical advances have led to high definition monitors and high resolution cameras. These and other improvements have made arthroscopy a very effective tool for treating knee problems. According to the American Orthopaedic Society for Sports Medicine, more than 4 million knee arthroscopies are performed worldwide each year.
Arthroscopy is done through small incisions. During the procedure, Dr. Wilson inserts the arthroscope (a small camera instrument about the size of a pencil) into your knee joint. The arthroscope sends the image to a television monitor. On the monitor, he can see the structures of the knee in great detail.
Dr. Wilson can use arthroscopy to feel, repair or remove damaged tissue. To do this, small surgical instruments are inserted through other incisions around your knee.
Almost all arthroscopic knee surgery is done on an outpatient basis.
East Alabama Medical Center will contact you with specific details about your appointment. You will likely be asked to arrive at the hospital an hour or two before your surgery. Do not eat or drink anything after midnight the night before your surgery.
When you first arrive for surgery, a member of the anesthesia team will talk with you. Arthroscopy can be performed under local, regional, or general anesthesia.
- Local anesthesia numbs just your knee
- Regional anesthesia numbs you below your waist
- General anesthesia puts you to sleep
The anesthesiologist will help you decide which method would be best for you.
Dr. Wilson will make a few small incisions in your knee. A sterile solution will be used to fill the knee joint and rinse away any cloudy fluid. This helps him see your knee clearly and in great detail.
Dr. Wilson will insert the arthroscope and use the image projected on the screen to guide it. If surgical treatment is needed, he will insert tiny instruments through another small incision. These instruments might be scissors, motorized shavers, or sutures.
This part of the procedure usually lasts 30 minutes to over an hour. How long it takes depends upon the findings and the treatment necessary.
Arthroscopy for the knee is most commonly used for:
- Removal or repair of torn meniscal cartilage
- Reconstruction of a torn anterior cruciate ligament
- Trimming of torn pieces of articular cartilage
- Removal of loose fragments of bone or cartilage
- Removal of inflamed synovial tissue
You will be moved to the recovery room and should be able to go home within 1 or 2 hours. Be sure to have someone with you to drive you home.
Recovery from knee arthroscopy is much faster than recovery from traditional open knee surgery. Still, it is important to follow Dr. Wilson’s instructions carefully after you return home. You should ask someone to check on you the first evening you are home.
Keep your leg elevated as much as possible for the first few days after surgery. Apply ice to relieve swelling and pain.
You will leave the hospital with a dressing covering your knee. Keep your incisions clean and dry.
Dr. Wilson will see you in the office a few days after surgery to check your progress, review the surgical findings, and begin your postoperative treatment program.
Most patients need crutches or other assistance after arthroscopic surgery. Generally, it is safe to put weight on your leg right away, although you may have some discomfort.
Dr. Wilson will discuss with you when you may drive. This decision is based on a number of factors, including:
- The knee involved
- Whether you drive an automatic or stick shift
- The nature of the procedure
- Your level of pain
- Whether you are using narcotic pain medications
- How well you can control your knee.
Typically, patients are able to drive from 1 to 3 weeks after the procedure.
Dr. Wilson will prescribe pain medication to help relieve discomfort following your surgery. He may also recommend medication such as aspirin to lessen the risk of blood clots.
Exercises to Strengthen Your Knee
You should exercise your knee regularly for several weeks after surgery. This will restore motion and strengthen the muscles of your leg and knee.
Therapeutic exercise will play an important role in how well you recover. A formal physical therapy program may improve your final result. Click here for our knee arthroscopy exercise instructions.
Complications and Warning Signs
As with any surgery, there are risks associated with knee arthroscopy. These occur infrequently and are minor and treatable.
Potential postoperative problems with knee arthroscopy include:
- Blood clots
- Accumulation of blood in the knee
Call Dr. Wilson immediately if you experience any of the following:
- Persistent warmth or redness around the knee
- Persistent or increased pain
- Significant swelling in your knee
- Increasing pain in your calf muscle
Unless you have had a ligament reconstruction, you should be able to return to most physical activities after 2-4 weeks. Higher impact activities may need to be avoided for a longer time. You will need to talk with Dr. Wilson before returning to intense physical activities.
If your job involves heavy work, it may be longer before you can return to your job. Discuss when you can safely return to work with Dr. Wilson.
The final outcome of your surgery will likely be determined by the degree of damage to your knee. For example, if the articular cartilage in your knee has worn away completely, then full recovery may not be possible. You may need to change your lifestyle. This might mean limiting your activities and finding low-impact exercise alternative.