My wonderful collie had cruciate ligament rupture last year. We took him on long walk and at the end of it he was lame. We were referred to Solihull (Willows) who confirmed it.
Two options were offered:
1. Replace ligament by hooking piece of nylon behind the knee and thread it through a hole drilled in the front bone. This was not recommended as the ‘ligament’ is liable to stretch and eventually snap.
2. Reshape the knee through a tibial wedge osteotomy where they cut a small piece of bone from the lower bone which meant the upper bone did not push it out and stabilise the knee. The bone was held together with plate which is still there.
We went for the latter. The poor mutt had limited exercise for about 3 months thereafter. Fortunately I had recently insured him (only got him last year as a rescue) but expect the bill to be around the £4,000 mark.
After recuperation he has come on fine. Long walks are not an issue now. One thing to remember though, the dog will eventually get arthritis in later life as no matter what is done you can’t replace the full functionality of the ligament.