The candidates for total knee replacement are medically considered those patients who are suffering with severe destruction of the knee joint associated with progressive pain and impaired function. In most of the total knee replacement operation the doctor replace the joint surface at the end of your thigh bone (femur) as well as at the top of your shin bone. The procedure may also involve replacing the under surface of your kneecap which is also called patella.
How total knee replacement is performed?
The complete knee replacement is a surgical procedure through which the diseased knee joint is substitute with artificial materials. During the procedure of total knee replacement, the end of the femur bone is removed and it is replaced with the metal shell. The end of the lower leg bone is tibila is also removed and replaced with a channel plastic piece with a metal stem. On the basis of the condition of the kneecap portion of the knee joint, a plastic button may also be added under the kneecap surface. The whole artificial component of total knee replacement is known as prosthesia.
When do you need a knee replace
Knee replacement become imperative when the knee joint is damaged or worn out to the extent that your mobility is minimized and experience pain even while you are in resting mode. Some of the common reasons that require knee replacement surgery includes as such:
- Rheumatoid arthritis
- Knee deformity and knee injury
- Avascular necrosis (Death of bone in the knee joint due to blood supply problem)
- Bone dysplasias (kind of disorder that cause unusual growth)
Types of knee surgery
There are mainly two types of surgery
- Total knee replacement
- Partial (Half) knee replacement (PKR)
Post surgery recovery from knee replacement surgery
The process of recovery may vary depending on the individual and kind of surgery carried out. However, you need to stay in hospitals for three to five days.
After you are discharged from the hospital the doctor will give you advice about looking after your knee at home. You will require using a frame or crutches initially and the physiotherapist will tell you exercise that help to regain the strength of your knee. Most of the patients stop using crutches or frame or any other walking aids around six month after surgery and start driving after 12 weeks.
Risk associated with knee surgery
- Infection and bleeding may occur after surgery
- Nerves in the knee area may be injured
- Other bone may be fracture during the surgery
- The replaced parts may become loose or break
- Piece of fat in bone marrow may become loose and enter the bloodstream and get into the lungs can create serious breathing problem