Preparing for Surgery:

Arthroscopic picture of torn anterior cruciate ligament [yellow star].

If you decide to have knee arthroscopy, you may need a complete physical examination with your family physician before surgery. He or she will assess your health and identify any problems that could interfere with your surgery.

Before surgery, tell your orthopaedic surgeon about any medications or supplements that you take. He or she will tell you which medicines you must stop taking before surgery.

To help plan your procedure, your orthopaedic surgeon may order pre-operative tests. These may include blood counts or an EKG (electrocardiogram).

Surgery – Almost all arthroscopic knee surgery is done on an outpatient basis.

Arrival:

Your hospital or surgery 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.

Anesthesia

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.

If you have local or regional anesthesia, you may be able to watch the procedure on a television monitor.

Procedure

The orthopaedic surgeon 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 your orthopaedic surgeon see your knee clearly and in great detail.

Close-up of meniscal repair


Knee arthroscopy

 Your surgeon’s first task is to properly diagnose your problem. He or she will insert the arthroscope and use the image projected on the screen to guide it. If surgical treatment is needed, your surgeon will insert tiny instruments through another small incision. These instruments might be scissors, motorized shavers, or lasers.

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

Your surgeon may close your incisions with a stitch or steri-strips (small bandaids) and cover them with a soft bandage.

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
Recovery from knee arthroscopy is much faster than recovery from traditional open knee surgery. Still, it is important to follow your orthopaedic surgeon’s instructions carefully after you return home. You should ask someone to check on you the first evening you are home.

Swelling

Keep your leg elevated as much as possible for the first few days after surgery. Apply ice as recommended by your doctor to relieve swelling and pain.

Dressing Care

You will leave the hospital with a dressing covering your knee. Keep your incisions clean and dry. Your surgeon will tell you when you can shower or bathe, and when you should change the dressing.

Your surgeon 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.

Bearing Weight

Most patients need crutches or other assistance after arthroscopic surgery. Your surgeon will tell you when it is safe to put weight on your foot and leg. If you have any questions about bearing weight, call your surgeon.

Driving

Your doctor 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.

Medications

Your doctor will prescribe pain medication to help relieve discomfort following your surgery. He or she 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.

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