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In hematology, thrombocythemia is a condition of high platelet (thrombocyte) count in the blood. Normal count is in the range of 150 × 10 9 to 450 × 10 9 platelets per liter of blood, [ 1 ] but investigation is typically only considered if the upper limit exceeds 750 × 10 9 /L.
A reference range is usually defined as the set of values 95 percent of the normal population ... Platelet count (Plt) ... though smaller in other children. Female ...
Low levels of platelets in turn may lead to prolonged or excessive bleeding. It is the most common coagulation disorder among intensive care patients and is seen in a fifth of medical patients and a third of surgical patients. [3] A normal human platelet count ranges from 150,000 to 450,000 platelets/microliter (μL) of blood. [4]
A complete blood count (CBC), also known as a full blood count (FBC), is a set of medical laboratory tests that provide information about the cells in a person's blood.The CBC indicates the counts of white blood cells, red blood cells and platelets, the concentration of hemoglobin, and the hematocrit (the volume percentage of red blood cells).
In children, these white blood cell-platelet aggregates are increased in children compared to adult levels, however this takes place without a corresponding increase in platelet activation. [10] Increased white blood cell-platelet aggregates in adults can indicate atherosclerosis, but this is not the case in children.
Gestational (incidental) thrombocytopenia is a condition that commonly affects pregnant women. Thrombocytopenia is defined as the drop in platelet count from the normal range of 150,000–400,000/μL to a count lower than 150,000/μL. [1]
The most rapidly effective treatment in infants with severe hemorrhage and/or a very low platelet count (<30,000 μL −1) is the transfusion of compatible platelets (i.e. platelets from a donor who, like the mother, lacks the causative antigen). [20]
Hydroxycarbamide, interferon-α and anagrelide can lower the platelet count. Low-dose aspirin is used to reduce the risk of blood clot formation unless the platelet count is very high, where there is a risk of bleeding from the disease, and hence this measure would be counter-productive as aspirin-use increases the risk of bleeding. [3] [15 ...