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Classification and external resources
ICD-10 M25.0
ICD-9 719.1
DiseasesDB 29653
MeSH D006395

Hemarthrosis (or haemarthrosis, plural h(a)emarthroses) is a bleeding into joint spaces.



It usually follows injury but occurs mainly in patients with a predisposition to hemorrhage such as those being treated with warfarin (or other anticoagulants) and patients suffering from hemophilia.

It can be associated with knee joint arthroplasty.[1]


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[2] and increased medical therapy to prevent further bleeding episodes, although it is controversial whether clotting factor administration adequately prevents hemarthroses.[3]


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.[4]


  1. ^ Ohdera T, Tokunaga M, Hiroshima S, Yoshimoto E, Matsuda S (2004). "Recurrent hemarthrosis after knee joint arthroplasty: etiology and treatment". J Arthroplasty 19 (2): 157–61. doi:10.1016/j.arth.2003.09.009. PMID 14973857.  
  2. ^ Dunn AL (Sep 2005). "Management and prevention of recurrent hemarthrosis in patients with hemophilia". Curr Opin Hematol 12 (5): 390–4. doi:10.1097/01.moh.0000169285.66841.c8. PMID 16093785.  
  3. ^ Stobart K, Iorio A, Wu JK (2006). "Clotting factor concentrates given to prevent bleeding and bleeding-related complications in people with hemophilia A or B". Cochrane Database Syst Rev (2): CD003429. doi:10.1002/14651858.CD003429.pub3. PMID 16625581.  
  4. ^ Goldberg A, Stansby G "Surgical Talk" 2nd edition


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