Joint as a result of aging and the deterioration of articular cartilage. Furthermore, there is emerging evidence that abnormal anatomy may contribute to early development of osteoarthritis. Other forms of arthritis are rheumatoid arthritis and psoriatic arthritis, which are autoimmune diseases in which the body is attacking itself. Septic arthritis is caused by joint infection. Gouty arthritis is caused by deposition of uric acid crystals in the joint that results in subsequent inflammation. Additionally, there is a less common form of gout that is caused by the formation of rhomboidal-shaped crystals of calcium pyrophosphate. This form of gout is known as
Septic arthritis 1.1% of getting infected in knee joint, and 0.3 to 1.7% of getting infected in hip joint. There are three phases of artificial joint infection: early, delayed, and late. Septic arthritis is most commonly caused by bacteria reaching the synovial membrane of a joint. Bacteria can enter the joint by: Micro-organisms in the blood may come from infections elsewhere in the body such as wound infections, urinary tract infections, meningitis , or endocarditis. Sometimes the infection comes from an unknown location. Joints with preexisting arthritis, such as rheumatoid arthritis, are especially prone to bacterial arthritis spread through the blood. In