It is most prevalent in the northeastern and Midwestern states of the U.S., with about 96% of reported cases occurring in 14 states, including Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Virginia, and Wisconsin.
In some cases, the dog will not be able to move its legs at all, a condition of total paralysis, and in other cases, there may still be some communication between the brain and spine and the dog will only appear to be weak, or will have difficulty moving its legs, a condition called paresis â partial paralysis.here are also cases where a dog may be paralyzed in all four legs (tetraplegia), and in others, the dog may be able to control the movement in some of its legs but not all.
Spastic paralysis Common Causes. Some of the common causes of Spastic paralysis may include: 1  Encephaloceles. 2  Microcephaly. 3  Porencephaly. 4  Upper motor lesion.5  Spinal cord compression. 6  more causes...Â».auses of Spastic paralysis that are rare. The offical US government definition of a rare disease is one that affects 200,000 people or less. The following causes of Spastic paralysis appear in the population at a rate of less than 200,000 people per year in the USA: