Acute Hepatic Failure in Dogs. Acute hepatic failure is a condition characterized by the sudden loss of 70 percent or more of the liver's function due to sudden, massive, hepatic necrosis (tissue death in the liver).
Key Points. Secondary (acquired) immunodeficiencies are much more common than primary (hereditary) immunodeficiencies. Primary immunodeficiencies can affect humoral immunity (most commonly), cellular immunity, both humoral and cellular immunity, phagocytic cells, or the complement system.
Symptoms. One of the most common signs of primary immunodeficiency is an increased susceptibility to infections. You may have infections that are more frequent, longer lasting or harder to treat than are the infections of someone with a normal immune system.igns and symptoms of primary immunodeficiency can include: 1  Frequent and recurrent pneumonia, bronchitis, sinus infections, ear infections, meningitis or skin infections. 2  Inflammation and infection of internal organs. 3  Blood disorders, such as low platelet counts or anemia.