Knee Arthroscopy – Uses and Benefits

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December 6, 2020

Knee Arthroscopy – Uses and Benefits

Knee arthroscopy is a procedure that involves a surgeon investigating and correcting problems with a small tool called an arthroscope. It is a less invasive method of surgery used to both diagnose and treat issues in the joints.

Uses and benefits

Knee arthroscopy is less invasive than open forms of surgery. A surgeon can diagnose issues and operate using a very small tool, an arthroscope, which they pass through an incision in the skin.

Knee arthroscopy surgery may be helpful in diagnosing a range of problems, including:

  • persistent joint pain and stiffness
  • damaged cartilage
  • floating fragments of bone or cartilage
  • a buildup of fluid, which must be drained

In most of these cases, arthroscopy is all that is needed. People may choose it instead of other surgical procedures because arthroscopy often involves:

  • less tissue damage
  • a faster healing time
  • fewer stitches
  • less pain after the procedure
  • a lower risk of infection, because smaller incisions are made

However, arthroscopy may not be for everyone. There is little evidence that people with degenerative diseases or osteoarthritis can benefit from knee arthroscopy.

Procedure

The type of anesthetic used to numb pain will depend on the extent of the arthroscopy.

A doctor may inject a local anesthetic to numb the affected knee only. If both knees are affected, the doctor may use a regional anesthetic to numb the person from the waist down.

In some cases, doctors will use a general anesthetic. In this case, the person will be completely asleep during the procedure.

If the person is awake, they may be allowed to watch the procedure on a monitor. This is entirely optional, and some people may not be comfortable viewing this.

The procedure starts with a few small cuts in the knee. Surgeons use a pump to push saline solution into the area. This will expand the knee, making it easier for the doctors to see their work.

After the knee is expanded, the surgeons insert the arthroscope. The attached camera allows the surgeons to explore the area and identify any problems. They may confirm earlier diagnoses, and they may take pictures.

If the problem can be fixed with arthroscopy, the surgeons will insert small tools through the arthroscope and use them to correct the issue.

After the problem is fixed, the surgeons will remove the tools, use the pump to drain the saline from the knee, and stitch up the incisions.

In many cases, the procedure takes less than 1 hour.

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