Based on the cat’s own constitution and the severity of blood clots. If the thrombosis is severe and various organs in the body fail, the cat's survival time is very short and there is a possibility of sudden death; if the cat is in good physical condition and the blood is still flowing normally with less thrombosis, it can be treated according to the medication, and the cat will survive after the cure. It can survive for a long time with careful care from its owner.