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Platelet count increase as well as platelet survival after transfusion is related to the dose of platelets infused and to the patient's body surface area (BSA). Usually these values are less than what would be expected. Corrected platelet count increment (CCI) = platelet increment at one hr x BSA (m 2) / # platelets infused x 10 11
Platelets which have been bound by antibodies are taken up by macrophages in the spleen (which have Fc receptors), and so removal of the spleen reduces platelet destruction. The procedure is potentially risky in ITP cases due to the increased possibility of significant bleeding during surgery.
For example, in patients undergoing surgery, a level below 50×10 9 /L is associated with abnormal surgical bleeding, and regional anaesthetic procedures such as epidurals are avoided for levels below 80×10 9 /L. [68] Platelets may also be transfused when the platelet count is normal but the platelets are dysfunctional, such as when an ...
Other causes of reactive thrombocythemia include: post surgery, iron deficiency, drugs, and rebound effect after bone marrow suppression. [8] Research suggests that thrombocytosis can also occur after physical exercise, and is triggered by hemoconcentration and the release of platelets from the liver, lungs and spleen. [3] [9]
Surgery to remove the clot is possible, but rarely performed. In the past, surgical removal of the renal vein clot was the primary treatment but it is very invasive and many complications can occur. In the past decades, treatment has shifted its focus from surgical intervention to medical treatments that include intravenous and oral ...
Platelet transfusions came into medical use in the 1950s and 1960s. [1] [5] It is on the World Health Organization's List of Essential Medicines. [6] [7] Some versions of platelets have had the white blood cells partially removed or been gamma irradiated which have specific benefits for certain populations. [8]
Kidney ischemia [1] is a disease with a high morbidity and mortality rate. [2] Blood vessels shrink and undergo apoptosis which results in poor blood flow in the kidneys. More complications happen when failure of the kidney functions result in toxicity in various parts of the body which may cause septic shock, hypovolemia, and a need for surgery. [3]
Clinical studies of thromboelastography during elective surgery (cardiac and liver surgery) and emergency resuscitation have shown improvements in clinical outcomes. [10] In elective surgery there was a decreased need for blood products (platelets and plasma) and reduced operating room length of stay as well as duration of intensive care ...