Fracture of the Carpus and Tarsus in Dogs

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Isolated fractures of the bones of the carpus (wrist) or tarsus (ankle) are not frequently encountered in veterinary medicine, with the exception of those that occur in racing greyhounds. More commonly, these fractures are found in conjunction with other fractures or shearing injuries (where the tissues are ground off on a hard surface) of the legs. In greyhounds, the fractures of the individual bones in the carpus or tarsus occur as a result of the enormous stresses involved in running around a racetrack at high speeds.

These fractures are usually the result of trauma and often cause a severe lameness of the affected limb. The lameness may improve with time and rest, such that it becomes obvious only with exercise.

The potential long-term effects of these fractures range from none to severe debilitating arthritis in the joint.

Surgery. These fractures often require surgery. An incision is made to visualize the fracture and then the fragments of bone are repositioned and stabilized using screws, plates, pins and/or wires.

Home Care and Prevention

If immobilization of the joint in a split or a cast is the sole form of treatment for these fractures, you will need to restrict your dog's activity for several weeks. The toes will be visible at the bottom of the splint or cast and you will need to touch and squeeze them daily to make sure they are warm, non-painful and not excessively swollen. The splint will need to be redressed or changed approximately every two weeks or sooner if it becomes wet or soiled, or if your dog develops any rub sores at the top or bottom of the splint. Contact your veterinarian if you have any questions or concerns regarding your dog's splint or cast.

Regardless of whether the affected leg is placed in a cast or repaired by surgery, your dog needs to be kept restricted from activity for several weeks. Depending on the type of surgery, a skin incision may be visible. Monitor the incision for swelling, redness or discharge. Stitches or staples will need to be removed in 10-14 days after the surgery.

A re-check appointment with your veterinarian should be scheduled for several weeks after your dog was released from the hospital. Your veterinarian will perform radiographs to evaluate how the bone is healing and will monitor your dog's progress before allowing you to increase his activity level.

Many traumatic events are true accidents and thus unavoidable; however, you can avoid the risk of having your pet sustain motor vehicle trauma by keeping dogs confined to your yard or on a leash.

 

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