About total knee replacement
The knee is a hinge joint. It comprises of lower end of the thigh bone (femur) and the upper end of the leg bone (tibia) and knee cap (patella).
At a younger age the bone ends are covered with smooth layer called articular cartilage & cushioned by the meniscus. This allows the knee movement freely without pain.
Arthritis of the knee is a condition in which there is loss of smooth cartilage. In advance age (60-70 years) when there is significant loss of smooth cartilage, bone ends rub against each other causing severe pain, stiffness, disability and adversely affect the daily activities if life.
In early stages, arthritis can be treated with medicines, anti inflammatory drugs, physiotherapy etc.
In advanced stage the pain is constant and the patient does not get relief with medicines, then total knee replacement is recommended.
In this operation damaged ends of the knee joint bone are replaced with artificial surfaces which gives relief from pain, & person is able to perform almost all normal activities with some life style modifications.