CCL Disease

Question 1

What is the structure and function of the CCL?

Answer 1

Attached to cranial tibia and attaches to the femur

It prevents cranial movement of the tibia when the extensors contract

Question 2

Why is radiography used?

Answer 2

Rule out other pathology and detect DJD
Show joint effusion (effacing infra patellar fat pad)
Check Tibial thrust and Cranial draw when sedated

Question 3

If CCL rupture is confirmed, what is the first step?

Answer 3

Arthrotomy to remove CCL remnants and assess medial meniscus damage

Question 4

Why would a CCL patient present more painful than expected?

Answer 4

Meniscal tear

Question 5

What is the procedure for TTA?

Answer 5

Cranial medial parapatellar incision 
Towel clamp retracts fascia and skin
Gelpi applied to patella tendon
Long digital extensor fossa 
Cage placed in osteotomy site

Question 6

What are the landmarks for radiography allowing planning for tibial wedge osteotomy?

Answer 6

Femoral condyles superimposed
Centre of trochlea of talus
Centre of intercondylar eminence
Estimated tibial playteau

Question 7

How is the tibial wedge calculated?

Answer 7

Tibial plateau angle minus 6 degrees