Joint Conditions

Question 1

Luxation (dislocation)

Answer 1

Due to trauma- bones pulled away from the normal position next to each other within the joint

• close reduction
• or sling to immobilise the joint for 4 weeks

Question 2

Joint instability

Answer 2

The stifle joint - most common location for ligament rupture leading to joint instability
*Early repair in cranial crucial efforts rupture of knee will guard against osteoarthritis formation

Question 3

Non-inflammatory joint disease

Answer 3

Degenerative joint disease

• ref to as osteoarthrosis
• common in dogs
• chronic, progressive degeneration of articular cartilage and the formation of osteophytes

Question 4

Infectious inflammatory joint disease

Answer 4

E.g. polyarthritic disease and bacterial arthritis

• Ehrlichiosis, Lyme’s dx, Rocky Mountain Spotted Fever infectious conditions in DOGS
• Mycoplasma induced polyarthritis
• Bite wounds or systemic spread of bacteria from bloodstream can cause an infected joint
• Tx with antibiotics and supportive therapy

Question 5

Non-infectious inflammatory joint disease

Answer 5

Can be erosive and non-erosive

• immune reaction and antibody formation that lead to a large inflammatory response
• Non-erosive: Sharpei Fever and systemic lupus erythmatosis - dog
• Erosive: Rheumatoid arthritis (not as common)
• Tx: anti-inflammatory and immunosuppressant therapies