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.
Selective immunoglobulin A deficiency (SIgAD) is a primary immunodeficiency disease and is the most common of the primary antibody deficiencies. IgAD is commonly associated with normal B lymphocytes in peripheral blood, normal CD4 + and CD8 + T cells, and, usually, normal neutrophil and lymphocyte counts.elective immunoglobulin A deficiency (SIgAD) is a primary immunodeficiency disease and is the most common of the primary antibody deficiencies. IgAD is commonly associated with normal B lymphocytes in peripheral blood, normal CD4 + and CD8 + T cells, and, usually, normal neutrophil and lymphocyte counts.