I was diagnosed with PV in November and my counts (red cells, haematocrit etc) have been reduced by means of venesections. My consultant suggests medication (HU) to reduce my platelet count but I am reluctant to do this, and have seen that platelet counts can be reduced by thrombapheresis, a process mainly used to extract platelets from blood for the purpose of platelet donation, but which can also be used therapeutically for patients with very high platelet counts. Does anyone know why this method does not seem to be used generally in PV patients instead of medication? Does thrombapheresis involve risks/side effects that are greater than those of HU, or is there some other reason why HU seems to be the preferred option?
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