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The most common antibody isotype involved in warm antibody AIHA is IgG, though sometimes IgA is found. The IgG antibodies attach to a red blood cell, leaving their F C portion exposed with maximal reactivity at 37 °C (versus cold antibody induced hemolytic anemia whose antibodies only bind red blood cells at low body temperatures, typically 28–31 °C).
Cold agglutinins develop in more than 60% of patients with infectious mononucleosis, but hemolytic anemia is rare. Classic chronic cold agglutinin disease is idiopathic, associated with symptoms and signs in relation to cold exposure. Causes of the monoclonal secondary disease include the following:
Autoimmune hemolytic anemia (AIHA) is an autoimmune disorder which occurs when antibodies directed against the person's own red blood cells (RBCs) cause them to burst , leading to an insufficient number of oxygen-carrying red blood cells in circulation . The lifetime of the RBCs is reduced from the normal 100–120 days to just a few days in ...
Autoimmune hemolytic anemia: D59.0-D59.1: Autoimmune hemolytic anemia (AIHA) is a type of hemolytic anemia where the body's immune system attacks its own red blood cells (RBCs), leading to their destruction . [28] [29] Types of AIHA include warm autoimmune hemolytic anemia, cold agglutinin disease, and paroxysmal cold hemoglobinuria.
Alloimmune hemolytic anemia [1] Hemolytic disease of the newborn (HDN) [1] Rh disease (Rh D) [1] ABO hemolytic disease of the newborn [1] Anti-Kell hemolytic disease of the newborn [1] Rhesus c hemolytic disease of the newborn [1] Rhesus E hemolytic disease of the newborn [1] Other blood group incompatibility (RhC, Rhe, Kidd, Duffy, MN, P and ...
[4] [1] Cold agglutinin disease represents an estimated 16–32% of autoimmune hemolytic anemia, whose annual incidence is estimated to be between 1/35,000-1/80,000 in North America and Western Europe. [1] In patients with infectious mononucleosis, more than 60% of whom develop cold agglutinins disease. [25]
Paroxysmal cold hemoglobinuria (PCH) or Donath–Landsteiner hemolytic anemia (DLHA) is an autoimmune hemolytic anemia featured by complement-mediated intravascular hemolysis after cold exposure. [1] It can present as an acute non-recurrent postinfectious event in children, or chronic relapsing episodes in adults with hematological malignancies ...
It is the most common of the autoimmune hemolytic diseases. [41] It can be idiopathic, that is, without any known cause, drug-associated or secondary to another disease such as systemic lupus erythematosus, or a malignancy, such as chronic lymphocytic leukemia. [42] Cold agglutinin hemolytic anemia is primarily mediated by IgM