As more and more people move into cities and towns, a number of factors cause pollution: 1  the physical disturbance of land due to construction of houses, industries, roads, etc.; 2  chemical pollution from industries, mines, etc.; 3  inadequate sewage collection and treatment; 4  increase in fertilisers to grow more food. 5  litter, which causes disease and ...
In the knee joint, operations to exchange the original implant (prosthesis) with a new one have a good chance of success. The decision to do a revision surgery depends in part on the type of bacteria that has infected the joint. In some uncommon cases, the type of bacteria is so harmful that a revision is not possible.
Unicompartmental Knee Replacement. During knee replacement surgery, damaged bone and cartilage is resurfaced with metal and plastic components. In unicompartmental knee replacement (also called partial knee replacement) only a portion of the knee is resurfaced. This procedure is an alternative to total knee replacement for patients whose disease is limited to just one area of the knee.