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High platelet counts can occur in patients with polycythemia vera (high red blood cell counts), and is an additional risk factor for complications. [citation needed] A very small number of people report symptoms of erythromelalgia, a burning sensation and redness of the extremities that resolves with cooling, or aspirin or both. [3]
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 ...
Based on 2005-2006 estimates, the Centers for Disease Control and Prevention has stated that approximately 5.5 million Americans a year are either admitted to a hospital or seen by a physician, with some form of anemia as their primary diagnosis. [4] Symptoms of anaemia include Plummer–Vinson syndrome, candidal infections.
An increased mean platelet volume (MPV) increases the risk to suffer a heart disease [2] MPV may be higher when there is destruction of platelets. This may be seen in immune thrombocytopenic purpura (ITP), myeloproliferative diseases and Bernard–Soulier syndrome. It may also be related to pre-eclampsia and recovery from transient hypoplasia. [3]
Acquired asplenia occurs for several reasons: . Following splenectomy due to splenic rupture from trauma or because of tumor; After splenectomy with the goal of interfering with splenic function, as a treatment for diseases (e.g. idiopathic thrombocytopenic purpura, thalassemia, spherocytosis), in which the spleen's usual activity exacerbates the disease
Enlarged spleen due to myelodysplastic syndrome; CT scan coronal section, spleen in red, left kidney in green. Signs and symptoms are nonspecific and generally related to the blood cytopenias: Anemia (low RBC count or reduced hemoglobin) – chronic tiredness, shortness of breath, chilled sensation, sometimes chest pain [6]
Giant platelet disorders can be further categorized: [6] caused by auto-immune disorders, for example Immune thrombocytopenic purpura (ITP), and characterized by low platelet count, but high MPV (mean platelet volume). [7] Caused by glycoprotein abnormalities: Bernard–Soulier syndrome, velocardiofacial syndrome
A complete blood count (CBC) may show increased reticulocytes, a sign of increased red blood cell production, and decreased hemoglobin and hematocrit. The term "non-hereditary spherocytosis" is occasionally used, albeit rarely. [2] Lists of causes: [3] Warm autoimmune hemolytic anemia; Cold autoimmune hemolytic anemia/paroxysmal cold hemoglobinuria