TPLO (Tibial Plateau Leveling Osteotomy) is one of the most effective orthopedic procedures used to treat cruciate ligament injuries in pets, especially dogs. While TPLO surgery is most commonly performed on dogs, it may also be considered in select cases for cats with similar knee injuries. Understanding how the procedure works, when it is recommended, and what recovery involves can help pet owners make informed decisions about their pet's health.

Whether your pet has been diagnosed with a torn ACL (also called the cranial cruciate ligament or CCL) or is showing signs of persistent limping, learning about TPLO surgery for dogs, TPLO surgery for cats, and dog ACL surgery can prepare you for the treatment process.

What Is TPLO Surgery for Cats and Dogs?

TPLO surgery, or Tibial Plateau Leveling Osteotomy, is an advanced orthopedic procedure designed to stabilize a pet's knee after a cranial cruciate ligament (CCL) injury. Instead of replacing the damaged ligament, the surgery changes the angle of the tibia (shin bone) to eliminate the need for the ligament during movement.

This procedure is most commonly recommended for medium to large dogs with ACL injuries, but veterinary orthopedic surgeons may perform TPLO surgery for cats in rare cases when appropriate.

By restoring knee stability, TPLO surgery helps reduce pain, improve mobility, and lower the risk of future joint damage.

Why Might a Dog or Cat Need TPLO Surgery?

Pets can injure their cruciate ligament due to sudden trauma or gradual wear over time. In many cases, the ligament weakens before it tears completely.

Common reasons pets may need TPLO surgery include:

  • Torn cranial cruciate ligament (CCL)
  • Sudden limping on a back leg
  • Difficulty standing after resting
  • Swollen or painful knee joint
  • Reduced activity or reluctance to exercise
  • Progressive arthritis caused by joint instability

Early diagnosis allows your veterinarian to recommend the most appropriate treatment before permanent joint damage develops.

What Are the Signs of an ACL or CCL Injury in Pets?

Recognizing the symptoms early can improve your pet's chances of a successful recovery.

Common signs include:

  • Limping or favoring one hind leg
  • Difficulty jumping or climbing stairs
  • Stiffness after exercise
  • Swelling around the knee
  • Sitting with one leg extended
  • Decreased interest in walks or play
  • Audible clicking from the knee in severe cases

If these symptoms persist for more than a day or two, a veterinary examination is recommended.

How Does TPLO Surgery Work?

Unlike traditional ligament repair, TPLO surgery changes the mechanics of the knee itself.

During the procedure:

  1. The veterinary orthopedic surgeon makes a curved cut in the upper tibia.
  2. The bone is rotated to reduce the slope of the tibial plateau.
  3. A specialized bone plate and screws secure the new position.
  4. Over several weeks, the bone heals while the knee becomes stable without relying on the damaged ligament.

This technique allows pets to regain comfortable movement while minimizing abnormal motion inside the joint.

Is TPLO Surgery Better Than Other ACL Treatment Options?

Every pet is different, so the best treatment depends on factors such as size, age, activity level, and overall health.

TPLO surgery is often recommended because it offers:

  • Excellent long-term stability
  • Faster return to normal activity
  • Lower risk of future instability
  • Improved weight-bearing during recovery
  • Better outcomes for active and large-breed dogs

Smaller dogs and some cats may sometimes be candidates for alternative surgical techniques or conservative management, depending on the severity of the injury.

Your veterinarian or veterinary orthopedic surgeon will recommend the treatment best suited to your pet.

Can Cats Have TPLO Surgery?

Although TPLO surgery is primarily associated with dogs, cats can also suffer cruciate ligament injuries.

Because cats are lighter and place less stress on their knee joints, many recover well with other surgical options. However, TPLO surgery for cats may be considered in certain cases, particularly when:

  • The ligament injury is severe.
  • Other stabilization methods are unlikely to succeed.
  • The cat is large or highly active.
  • An orthopedic specialist determines TPLO offers the best outcome.

A complete orthopedic evaluation helps determine whether TPLO is appropriate for a feline patient.

What Happens During Recovery After TPLO Surgery?

Recovery is an important part of successful TPLO surgery.

Most pets recover over several months, with gradual improvements throughout the healing process.

Typical recovery includes:

  • Strict rest during the first few weeks
  • Short leash walks only
  • Pain management medications
  • Anti-inflammatory treatment
  • Physical rehabilitation exercises
  • Follow-up X-rays to monitor bone healing
  • Gradual return to normal activity

Most dogs begin placing weight on the leg within a few days after surgery, although complete bone healing generally takes several weeks.

Following your veterinarian's recovery instructions greatly improves the chances of long-term success.

How Successful Is TPLO Surgery?

TPLO surgery has a very high success rate when performed by an experienced veterinary surgeon and followed by proper rehabilitation.

Many pets experience:

  • Reduced pain
  • Improved mobility
  • Better joint stability
  • Increased activity levels
  • Slower progression of arthritis
  • Excellent long-term quality of life

While no surgery can completely eliminate the possibility of arthritis, TPLO significantly reduces abnormal joint movement that contributes to further damage.

How Can Pet Owners Help Prevent Future Knee Injuries?

Although not every ACL injury can be prevented, pet owners can reduce the risk by maintaining their pet's joint health.

Helpful prevention tips include:

  • Keep your pet at a healthy weight.
  • Provide regular low-impact exercise.
  • Avoid repetitive jumping on hard surfaces.
  • Build muscle strength through controlled activity.
  • Schedule routine veterinary wellness exams.
  • Address limping or joint pain early.

Strong muscles and healthy body weight help reduce stress on the knee joints.

When Should You Contact a Veterinary Orthopedic Surgeon?

If your dog or cat is limping, avoiding exercise, or showing signs of knee pain, don't wait for the problem to worsen. Early evaluation allows your veterinarian to diagnose ligament injuries and discuss the most appropriate treatment options, including TPLO surgery for dogs or, in select cases, TPLO surgery for cats.

At Family Veterinary Care of Oakdale, pets from Oakdale and nearby communities receive compassionate care, advanced diagnostics, and personalized treatment plans. If your pet is experiencing an ACL or CCL injury, our veterinary team can help determine whether TPLO surgery or another orthopedic treatment is the right solution for restoring comfort, mobility, and quality of life.