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Kittens obtain the majority of their immune response from the colostrum, and are not born with a strong immune response. When they absorb the mother's antibodies against their blood type it causes lysis of the red blood cells leading to anemia. Symptoms include lethargy, weakness, depression, pale mucous membranes, fever, and blood in the urine.
The direct Coombs test is used to test for autoimmune hemolytic anemia, a condition where the immune system breaks down red blood cells, leading to anemia. The direct Coombs test is used to detect antibodies or complement proteins attached to the surface of red blood cells. To perform the test, a blood sample is taken and the red blood cells ...
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).
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 ...
Spherocytes are found in immunologically-mediated hemolytic anemias and in hereditary spherocytosis, but the former would have a positive direct Coombs test and the latter would not. The misshapen but otherwise healthy red blood cells are mistaken by the spleen for old or damaged red blood cells and it thus constantly breaks them down, causing ...
A positive direct antiglobulin test differentiates immune-mediated hemolytic anemia from a nonimmune-mediated cause. Other situations such as liver disease, post-transfusion or immunoglobulin administration, renal disease, and malignancy can cause a positive direct antiglobulin test. [1]
Mixed autoimmune hemolytic anemia (MAIHA) is a type of autoimmune hemolytic anemia which combines the features of cold sensitive antibody-induced diseases and warm autoimmune hemolytic anemia. The work-up for diagnosis is complex and the condition can be over-diagnosed. [1] [2] [better source needed]
Cold antibody autoimmune hemolytic anemia [2] Paroxysmal cold hemoglobinuria [2] Drug-induced autoimmune hemolytic anemia [2] 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 ...