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A multi-center European trial studied early versus late r-EPO in 219 infants with birth weights between 500 and 999 g. An r-EPO close of 750 U/kg/week was given to infants in both the early (1–9 weeks) and late (4–10 weeks) groups. The two r-EPO groups were compared to a control group who did not receive r-EPO.
Medications can have adverse effects and cause nutritional anemia as well. Medications that stop the absorption of iron in the gut and cause bleeding from the gut (NSAIDs and Aspirin) can be culprits in the development of this condition. Hydrocortisones and valproic acid are also two drugs that can cause moderate bleeding from the gut.
If there are other, reversible causes of low vitamin B 12 levels, the cause must be treated. [106] Vitamin B 12 deficiency anemia is usually easily treated by providing the necessary level of vitamin B 12 supplementation. [107] The injections are quick-acting, and symptoms usually go away within one to two weeks. [107]
Iron-deficiency anemia is anemia caused by a lack of iron. [3] Anemia is defined as a decrease in the number of red blood cells or the amount of hemoglobin in the blood. [3] When onset is slow, symptoms are often vague such as feeling tired, weak, short of breath, or having decreased ability to exercise. [1]
Rare acquired causes of microcytic anemia include lead poisoning, zinc deficiency, copper deficiency, alcohol, and certain medications. [3] Other causes that are typically thought of as causing normocytic anemia or macrocytic anemia must also be considered, as the presence of two or more causes of anemia can distort the typical picture.
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Autoimmune causes: lead to the hemolysis of red blood cells (Ex: autoimmune hemolytic anemia). [12] Hypothyroidism and chronic kidney disease [13] [14] Parasitic infestations: some examples are hookworm or Plasmodium species [7] Bacterial or viral infections. Iron deficiency is the most common cause of anemia in the pregnant woman.
A low hematocrit level is a sign of a low red blood cell count. One way to increase the ability of oxygen transport in red blood cells is through blood transfusion, which is carried out typically when the red blood cell count is low. Prior to the blood transfusion, hematocrit levels are measured to help ensure the transfusion is necessary and safe.