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Prosthetic joint infection (PJI), also known as peri-prosthetic joint infection, is an acute, sub-acute or chronic infection of a prosthetic joint.It may occur in the period after the joint replacement or many years later.
The prepatellar bursa and the olecranon bursa are the two bursae that are most likely to become infected, or septic. [10] Septic bursitis typically occurs when the trauma to the knee causes an abrasion, though it is also possible for the infection to be caused by bacteria traveling through the blood from a pre-existing infection site. [11]
A surrounding infection in the bone or tissue (uncommon, from osteomyelitis, septic bursitis, abscess). [2] [13] [14] Microorganisms in the blood may come from infections elsewhere in the body such as wound infections, urinary tract infections, meningitis or endocarditis. [13] Sometimes, the infection comes from an unknown location.
The symptomatic state was associated with existing disease such as rheumatoid arthritis, ankylosing spondylitis, other arthritis, or infection e.g. Brucellosis. With the idiopathic variant, an allergic component was believed to be involved since, in some patients at least, allergic phenomena (including cases of angioedema) were associated with ...
There can be several concurrent causes. Trauma, auto-immune disorders, infection and iatrogenic (medicine-related) factors can all cause bursitis. [1] Bursitis is commonly caused by repetitive movement and excessive pressure. Shoulders, elbows and knees are the most commonly affected.
Knee replacement, also known as knee arthroplasty, is a surgical procedure to replace the weight-bearing surfaces of the knee joint to relieve pain and disability, most commonly offered when joint pain is not diminished by conservative sources. [1] [2] It may also be performed for other knee diseases, such as rheumatoid arthritis.
Knee effusion, informally known as water on the knee, occurs when excess synovial fluid accumulates in or around the knee joint. It has many common causes, including arthritis , injury to the ligaments or meniscus , or fluid collecting in the bursa , a condition known as prepatellar bursitis .
Synovitis is the medical term for inflammation of the synovial membrane.This membrane lines joints that possess cavities, known as synovial joints.The condition is usually painful, particularly when the joint is moved.