Progression of osteoarthritis in dogs?
The disease of osteoarthritis is usually defined by measurable changes in the joint structure and biochemical environment. Progression of osteoarthritis in dogs is evaluated by grades depending on how much the joint structure has been affected. In fact, the joint structure is affected by chronic inflammation that can have many reasons.
Grade 1 dog osteoarthritis describes the beginning stage of the disease. The damage to the joint is relatively small. In X-rays veterinarian might also see small changes like softening of the cartilage. Mainly in this stage, your dog shouldn’t experience any major discomfort and first signs of pain could be well hidden by your dog.
Grade 2 osteoarthritis is defined by developing cracks in the cartilage and growth of bone spurs. In addition, your dog might also be experiencing some pain and show the first noticeable symptoms of osteoarthritis-like limping.
Grade 3 osteoarthritis refers to moderate to sever dog osteoarthritis. X Rays will show bone spurs and scar tissue around the joints. Therefore, the lameness of the dog will be more frequent and more noticeable.
Grade 4 osteoarthritis refers to an advanced level of disease. After all, the pain level will be significant and the dog might not be able to move freely. X rays will show large cartilage loss and grown bone spurs.