Alpine 
Animal
Hospital

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(530) 541-4040


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921 Emerald Bay Rd

South Lake Tahoe CA 96150



Mon-Sat 8am-6pm

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TPLO Surgery

TPLO, or tibial-plateau-leveling osteotomy, is a surgery performed on dogs to stabilize the stifle joint (knee) after ruptures of the cranial cruciate ligament (analogous to the anterior cruciate ligament [ACL] in humans, and sometimes colloquially called the same).


In the vast majority of dogs, the cranial cruciate ligament (CrCL) ruptures as a result of long-term degeneration, whereby the fibres within the ligament weaken over time. We do not know the precise cause of this, but genetic factors are probably most important.


In a TPLO procedure, the tibial plateau, the portion of the tibia adjoining the stifle, is cut and rotated so that its slope changes to approximately 5 degrees from the horizontal plane. This prevents the femur from sliding down the slope of the tibial plateau when the dog puts weight on its knee. Thus surgery generally results in faster recovery times compared to other procedures to stabilize the knee. Most dogs (over 90%) are expected to regain a very active and athletic lifestyle with no post-operative complications and without the need for any long-term pain relieving medication


TPLO is the preferred and most recommended surgical repair for ACL injuries especially for active large breed dogs. Dr Willitts has been performing the surgery for over 10 years at Alpine Animal Hospital. He is the only veterinarian offering this service in South Lake Tahoe


Lateral Suture Repair

The concept of this surgery is to stabilize the knee on the outside of the joint by using a single fiber plastic suture (mono-filament).  This suture is placed in the same plane that the original ACL ligament was but the suture is placed on the outside of the joint rather than the inside.  During this procedure a hole is drilled through the front part of the tibia.  The suture is looped around a small bone on the back side of the femur, continued alongside the knee, through the drilled hole then connected together.