Arthrodesis Of PIJ

Question 1

What are the indications for pastern arthrodesis ?

Answer 1

High ring bone
Pastern luxation
Fracture second phalanx
Septic arthritis of the pastern

Question 2

What is high ring bone?

Answer 2

DJD/ OA of the pastern

Question 3

What is a high ring bone?

Answer 3

Osteophyte formation over the pastern joint

Question 4

What is a low ring bone ?

Answer 4

Osteophyte formation over the coffin joint

Question 5

What is the medical treatment for osteoarthritis of the PIP joint?

Answer 5

NSAIDS
Reduced work

Natural ankylosis unlikely

Question 6

T/F: ethanol into the joint is efficient at inducing ankylosis of the pastern joint

Answer 6

False — works poorly in pastern

Question 7

What are the main principles of PIP arthrodesis?

Answer 7

Removal of all articular cartilage

Maintenance of rigid stability in the joint

Question 8

What are the techniques for pastern arthrodesis?

Answer 8

Trans-articular lag screws

Dorsal plate (DCP or LCP)

Both

Question 9

What are the benefits of TA screws and dorsal plate ?

Answer 9

Enhanced stability 
Improved comfort post op 
Shorter time in cast 
Shorter return to function 
Shorter hospitalization time 
Less peri-articular new bone formation on dorsal aspect