Arthrodesis of PIJ

Question 1

What are the indications for Pastern Arthrodesis?

Answer 1

1. Hi ring bone
2. pastern luxation
3. P2 Fx
4. Septic arthritis of pastern

Question 2

What is the abnormality shown in the radiograph?

Answer 2

Pastern joint luxation

Question 3

What is the abnormality?

Answer 3

Severe pastern joint osteoarthritis
{lateral view}
…on dorsal aspect

Question 4

What’s the abnormality?

Answer 4

HIGH/pastern ring bone
{dorsal aspect}

this was a 27-yr-old mare w/a history of chronic lameness {2/5},
worse w/distal limb flexion

Question 5

What are the 2 main principles of PIP {prox.interphalangeal} arthrodesis?

Answer 5

1. Need to remove all the articular cartilage
   {cartilage prevents fusion}
2. Maintenance of rigid stability
   {minimize new bone formation}

Question 6

What is the success rate for pastern arthrodesis in the forelimb vs. the hindlimb?

Answer 6

Forelimb: 81% success rate

Hindlimb: 95% success rate