TPLO - Tibial Plateau Leveling Osteotomy is a procedure performed for a ruptured cranial cruciate ligament in the knee joint. The purpose of the operation is to restore the normal relationship (angle) between the femur and tibia. The disruption of their mutual position occurs as a result of rupture of the cranial cruciate ligament, resulting in displacement of the tibia in the intramedullary direction during movement, which causes pain, discomfort and lameness in the animal.
The TPLO method involves cutting the proximal tibial epiphysis in a semicircle and rotating it to reduce the angle of the articular surface of the tibia relative to the femur (known as the TPA angle). A titanium compression-locked plate fixed in the bone with screws is used for stabilization.
This procedure provides stability to the knee joint and restores the physiological alignment of its structures. The result of the operation is the elimination of biomechanical forces acting on the cruciate ligament, allowing the patient to put weight on the limb again.
It should be remembered that an untreated ruptured cranial cruciate ligament leads to chronic
inflammation in the knee joint, which accelerates the progression of osteoarthritis.
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