partial knee replacements surgery
Partial Knee Replacement Surgery

Partial knee replacement surgery is a precise treatment option that replaces only the spoiled portion of the knee while preserving knee ligaments and natural cartilage. “Patients with Partial knee arthritis have cartilage degeneration in only one section of the knee. The spoiled areas are replaced with artificial implant, called a prosthetic.A partial knee replacement operation usually takes between 1 and 2 hours.Your surgeon will make an incision at the anterior of your knee.

Before surgery, you will be given anesthesia, which is drug that blocks pain. There are two types:

  • General anesthesia makes you sleep over the process and unable to feel pain.
  • Regional (spinal) anesthesia numbs you below your waist. You will also receive drugs to make you relax or feel sleepy

Before Surgery You will expect be admitted to the hospital on the day of surgery.

Before your process, a doctor from the anesthesia department will appraise you. He or she will analysis your medical history and discuss anesthesia selections with you. You should also have conversed anesthesia choices with your surgeon during your preoperative official visit. Anesthesia can be either general (you are put to sleep) or Regional (you are awake but your body is numb from the waist down).

Your surgeon moreover sees you before surgery and signs your knee to check the surgical site.

Surgical Procedure

A partial knee replacement operation usually takes between 1 and 2 hours.Your surgeon will make an incision at the anterior of your knee. He or she will then explore the three divisions of your knee to verify that the cartilage injury is, in fact, limited to one compartment and that your ligaments are complete. If your surgeon feels that your knee is unfitting for a partial knee replacement, he or she will instead execute a total knee replacement. He or she will discuss this possibility plan with you before your surgery to make sure that you agree with this strategy.

If your knee is appropriate for a partial knee replacement, your surgeon will use different saws to remove the cartilage from the injured compartment of your knee and will cap the ends of the femur and tibia with metal coverings. The metal modules are generally held to the bone with cement. A plastic inset is placed between the two metal components to allow for a smooth gliding surface.

After the surgery you will be taken to the recovery room, where you will be closely supervised by nurses as you recover from the anesthesia. You will be taken to your hospital.

Advantages of partial knee replacement

The decision to continue with Knee Replacement surgery is a cooperative one between you, your surgeon, family and your local doctor.

The benefits following surgery are relief of symptoms of arthritis.

  • Severe pain that limits your everyday actions including walking, shopping, visiting friends, getting in and out of chair, gardening, etc.
  • Pain waking you at night
  • Stiffness

Past to surgery you will usually have tried some traditional treatments such as simple analgesics, weight loss, anti-inflammatory medications, and modification of your daily activities, canes or physical therapy.

  • Smaller operation
  • Smaller incision
  • Not as much bone removed
  • Shorter hospital stay
  • Shorter recovery period
  • Blood transfusion rarely required
  • Better movement in the knee
  • Feels more like a normal knee
  • Less need for physiotherapy

The extreme benefit is that if for some reason it is not successful or fails many years down the track it can be revised to a total knee replacement without any difficulty.

Disadvantages of Partial Knee Replacement

There are some disadvantages with knee replacement surgery:

  • Most people ratio the replacement joint about three-quarters normal, but it'll never be as good as your natural knee.
  • You'll possibly still have difficulties with some activities because most knee replacements aren’t considered to bend as far as your natural knee. While it’s usually conceivable to kneel, some people find it uncomfortable to put weight on the scar at the front of the knee.
  • You may also be awake of some clicking or clunking in the knee replacement.
  • You may have some shock on the outer edge of the scar to begin with. This regularly improves over about two years but it’s unlikely that the feeling will completely return to normal.
  • A replacement knee joint may wear out of after a time and may become loose.
  • Most knee replacements will last for 20 years or more, so young patients are more likely to need a repeat knee operation at some opinion in later life. The chances of necessitating repeat surgery are increased if:
  • you’re overweight
  • you're involved in heavy physical work.
  • You play energetic sport or run.
  • Even though your knee can be replaced again if necessary, revision surgery is more difficult and the benefits tend to lessen with each revision.