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Dogs with more pronounced tibial plateau slopes are especially vulnerable to ruptured, torn, or overextended CCLs and, for reasons still being explored by orthopedic veterinary specialists, female large-breed dogs in their prime make up a disproportionately large number of CCLR cases.

When the CCL is damaged or simply worn out, friction between the bones can cause arthritic pain and damage to the surrounding cartilage.Ĭranial cruciate ligament ruptures can affect any dog of any age, though some breeds, including golden retrievers and rottweilers, are more prone to CCLRs. This incline is called a tibial plateau slope, or TPS. They don’t have to suffer trauma to experience a ruptured CCL because their physiology and biomechanics leave them vulnerable to CCL damage.Ī canine tibia has a more pronounced slope than its human counterpart, adding stress to the ligaments designed to stabilize and connect the leg bones. Sports-related trauma, including twists and hyperextension, is among the leading cause of ACL damage in humans. These ligaments cross over the knee joint and withstand the stress of physical activity while stabilizing the joint.ĭogs have four ligaments to secure their stifles (knee joints, in vet speak) with the CCL being the most vulnerable to injury or wear-and-tear. We have two ACL ligaments that connect the thigh (femur) bone to the shin (tibia) bone. Ligaments are tough, fibrous bands of tissue that hold bones and cartilage in place. The cranial cruciate ligament is the canine counterpart to the ACL, and among both dogs and humans, tears or ruptures in these ligaments aren’t uncommon-but that doesn’t make them any less painful. You probably know at least one person who’s had surgery to repair a damaged anterior cruciate ligament, most commonly referred to as the ACL. We invite you to explore our informative literature and videos, but before you jump into the deep end, we’ve compiled an overview of the TPLO process… and why it’s become the leading treatment for cranial cruciate ligament ruptures.

You ask your vet if he can recommend further reading, and the next thing you know, you’re here at TPLO Info, the leading resource for learning about tibial plateau leveling osteotomies and the surgical vets who perform them. You want to make an informed decision as you create a strategy for easing your dog’s discomfort and returning her to an active life, but you’re not convinced that surgery is the best choice.

After running a few tests and taking X-rays, your vet tells you your pet likely has a c ranial cruciate ligament rupture (CCLR or Torn ACL).Īfter a brief description of CCLR and how it will affect your dog’s mobility if left uncorrected, he recommends a number of treatment options and encourages you to consult with a veterinary surgeon who specializes in tibial plateau leveling osteotomy (TPLO / Dog Torn ACL Repair).īy now, you might feel overwhelmed by “information overload”, and you’re concerned for your dog’s well-being. You’ve noticed your dog has been favoring her hind leg, so you take her to see your regular veterinarian.