Joint aspiration (also called arthrocentesis) is a procedure that sucks fluid from your knee, hip, shoulder, or other joints. Your doctor may do it to help with swelling and fluid related to an injury ...

The most damaging complication associated with primary total knee arthroplasty (TKA) is prosthetic joint infection. Fortunately, the infection risk is low, with an estimated 1% to 2% incidence of ...

Some amount of fluid around your knee is necessary — it helps cushion your bones and keeps the joint limber. But if too much fluid accumulates, it can lead to an effusion (or an abnormal collection of ...