An in-depth report on the types, diagnosis, treatment, and prevention of anemia.
Iron deficiency; Pernicious anemia
Erythropoiesis-Stimulating Drugs
In 2006, the Food and Drug Administration (FDA) issued an advisory regarding treatment targets for erythropoiesis-stimulating drugs. These drugs include epoetin alfa (Procrit, Epogen, and Eprex) and darbepoetin alfa (Aranesp). They are used to treat severe anemia caused by other diseases, such as chronic kidney disease.
Two 2006 studies in the New England Journal of Medicine indicated that aggressive dosing to completely normalize anemia (hemoglobin levels of 13.5 g/dL) provided no greater benefit than lower dosing to partially correct anemia (hemoglobin levels of 10 – 12 g/dL). Higher dosing and higher hemoglobin levels increased the risk for heart failure, heart attack, and stroke.
In response to these studies, the FDA recommends that patients who take these drugs should:·
Anemia in the Elderly
Mild anemia may cause difficulties with problem-solving abilities and other cognitive functions, suggests a 2006 study in the Journal of the American Geriatrics Society .
Diagnosing Fetal Anemia
Doppler ultrasonography may be better and safer than amniocentesis for diagnosing fetal anemia, according to a 2006 study in the New England Journal of Medicine . Doppler ultrasonography is a non-invasive imaging test.
Investigational Drugs
Eculizumab, an investigational monoclonal antibody drug, may help improve anemia in patients with paroxysmal nocturnal hemoglobinuria (PNH), indicates a 2006 study in the New England Journal of Medicine . PNH is a rare and severe form of hemolytic anemia. There are few treatment options for this condition.
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