Knee Replacement Surgery is prescribed by doctors, only when the stiffness and pain in knees gets unbearable for the concerned person. Knee replacement surgery is generally done when people in their 50s suffer from chronic osteoarthritis. Total knee replacement and partial knee replacement are the 2 types of knee replacement surgeries that patients need to undergo for having their knee problems solved.
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Of which, total knee replacement is the most opted technique and hence popular among people. This surgery aims to eliminate pain experienced by the patient on account of a dysfunctional knee and to improve its functionality.
The patient's vital organs, heart rate, oxygen levels are checked before the surgery commences. Total knee replacement surgery involves replacement of parts of the femur and shin-bones which are damaged, to eventually replace them with an artificial knee.
Patient may be injected with either a general or local anesthetic. The surgeon, then makes an incision on the knee which is to be operated, for accessing the shin-bone and femur. Surfaces of the insides of knee are shaped to hold the artificial joint. The prosthetic component is then attached to the end of the femur. Bone cement is further used to keep the attached limb in place. A polyethylene cushion is then attached on top of the shin bone for shock absorbing purposes. Subsequently, the surgeon flexes and straightens the knee to allow it and the artificial limb to stick together. After this, the surgeon stitches up the skin where the incision was made.
Patients, post-surgery are taken to a recovery room and subsequently discharged after 3-7 days in the hospital. They are made to walk with the help of a walker and crutches until they can walk without support.
The patient is then made to work with a physiotherapist for helping them repossess their weight-regaining status. Meaning that, they are trained by therapists on the amount of weight they should be ready to pick up after surgery. The therapist guides the patient by teaching them few exercises for the knee. The therapist makes patients understand the limit of weight they can bear for few days after operation.
It is necessary that the patient keeps the operated knee as straight as possible; even while sleeping. Avoiding climbing or alighting stairs for a few days is advisable. The doctor's advise should be taken for performing everyday activities like exercise, driving and walking.
It is very important to thoroughly discuss the details and risks behind total knee replacement with your doctor to avoid or at least be prepared for any complications that come with it.