Septic Arthritis

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Revision as of 16:16, 3 March 2011 by Bara (talk | contribs) (Created page with "*'''Bacterial arthritis''' **Most common in food animals, especially young **Portals of entry include: ***Navel and GI tract -> bacteraemia ***Haematogenously -> polyarthritis **...")

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  • Bacterial arthritis
    • Most common in food animals, especially young
    • Portals of entry include:
      • Navel and GI tract -> bacteraemia
      • Haematogenously -> polyarthritis
      • Traumatic inoculation
      • Extension from bone or periarticular soft tissue
  • Viral arthritis
    • Progressive inflammatory and degenerative joint disease
    • Synovitis with cartilage destruction
    • Chronic mononuclear inflammatory reactions


In Sheep

In Pigs

In Cattle

  • Neonatal polyarthritis by:
    • Streptococcus spp.
      • Via umbilicus
      • Also involves eyes and meninges
    • Coliforms
      • Localises in joints and meninges in severe non-fatal neonatal colibacillosis
      • May remain as chronic arthritis in larger joints
  • Infections at any age:
    • Corynebacterium pyogenes
      • Suppurative arthrtis
      • Often due to pebetrating wound into or close to joints
    • Mycoplasma spp.
      • May be respinsible for some chronic cases but difficult to prove as hard to isolate
      • Fibrinous polyarthritis
    • Chlamydia sp.
      • Severe disease in young calves
      • High mortality
      • Can be seen in smears of synovial fluid from swollen joints
      • Oedematous and hyperaemic surrounding tissue
      • Possibly due to intrauterine infection
    • Brucella abortus
      • Uncommonly localises in joints
      • Usually in carpal bursitis (hygroma) in cattle and bursitis in horses

In Horses


In Goats

In Dogs