|Lipohemarthrosis (blood and fat in the joint space) seen in a person with a subtle tibial plateau fracture. The arrow indicates a fluid level between the upper fat component and the lower blood component.|
|Classification and external resources|
Hemarthrosis is diagnoised through below methods-
Synovial Fluid analysis is another method to diagnose Hemarthrosis. It involves a small needle being inserted into the joint to draw the fluid. Reddish-colored hue of the sample is an indication of the blood being present. Imaging tests are normally done. The tests also include MRI, Ultrasound and X-ray test, which give better information about the joint inflammation.
In hemophilia it may occur spontaneously, and recurrent hemarthroses are a major cause of disability in that patient group due to hemophilic arthropathy, requiring synovectomy, joint replacement and increased medical therapy to prevent further bleeding episodes.
Reducing hemarthroses events using intravenous administration of blood clotting factor concentrate on a regular basis starting in early childhood, reduces joint deterioration and increases the person's quality of life compared to "on demand" treatment (treating after a bleed). The minimal effective dose and best dosage frequency have not been established. It is not clear, due to lack of sufficient data, if preventative therapy with clotting factor concentrate is also effective at reducing joint deterioration if treatment is started after joint damage has occurred.
Up to a quarter of all severe ligament or capsular knee injuries leading to a haemarthrosis are associated with cartilage damage that can lead to progressive degenerative arthritis.
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