Knee replacement is a surgery to replace person’s own knee joint with an artificial one.
This surgical procedure allows to achieve a number of medical purposes, namely:
The indications for total knee replacement include all diseases that disrupt its function and cause chronic pain syndrome. These include:
There were developed different types of implants that varies in a number of parameters. According to the type of liner implants are divided into fixed- and mobile-bearing.
According to the number of articulation surfaces, which are substituted during the knee replacement, implants can be:
There can be cemented or cementless anchorages of the knee implants. The cemented anchorage is very common, as it is more reliable.
Different implants provide different range of motion. Following types of artificial joints can be used:
The prosthesis type is selected individually according to a clinical situation, patient’s needs and lifestyle, his/her financial possibilities, and expectations from the surgery.
It is necessary to start the preparation for hip replacement in advance. Patient is required:
On the day of surgery, it is forbidden to either eat or drink. If the doctor has recommended to shave a leg, it should be done very carefully to avoid scratching, since this can result in postponing surgery.
Knee replacement is performed under general or spinal anesthesia. The general anesthesia involves patient’s deep sleep, while the spinal one requires an injection into the lumbar region. The drugs are administered into the subarachnoid space and thus patient becomes completely insensitive to pain,
although heshe remains conscious.
Knee replacement usually takes no more than 2 hours. Twenty-four hours after the surgery the patient can sit up in bed. A day later he/she can walk with crutches or a walker. The drainage is removed within 1-2 days. On the 5 th day patient can walk with one crutch or a cane. On the 5 th -10 th day patient is discharged from the hospital and on the 10 th -14 th day doctor removes stitches.
After knee replacement patient needs rehabilitation, which involves moderate physical activity. The physical therapy is carried out under the supervision of an appropriate specialist.
To keep the prosthesis in a good condition for a long time, do not overload it. Sports that involve running or jumping is contraindicated. Patient can do swimming, cycling or walking. Any kick or other mechanical impacts on the knee joint should be avoided. Patient should not lift weights and gain weight.
You should be diagnosed annually in order to assess the condition of the joint implant. If you notice some warning signs (deformity, noise, change in the range of motion in the joint), you should immediately consult with your physician.
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