Iron Deficiency Anemia

摘要: The prevalence of iron deficiency anemia is 2 percent in adult men, 9 to 12 non-Hispanic white women, and nearly 20 black Mexican-American women. Nine patients older than 65 years with have a gastrointestinal cancer when evaluated. U.S. Preventive Services Task Force currently recommends screening for pregnant women but not other groups. Routine supplementation recommended high-risk infants six months age. Iron classically described as microcytic anemia. differential diagnosis includes thalassemia, sideroblastic anemias, some types chronic disease, lead poisoning. Serum ferritin the preferred initial diagnostic test. Total iron-binding capacity, transferrin saturation, serum iron, receptor levels may be helpful if level between 46 99 ng per mL (46 mcg L); bone marrow biopsy necessary these definitive diagnosis. In children, adolescents, reproductive age, trial reasonable approach review symptoms, history, physical examination are negative; however, hemoglobin should checked at one month. If there 1 g dL (10 L) increase that time, possibilities include malabsorption oral continued bleeding, or unknown lesion. For patients, an endoscopic evaluation beginning colonoscopy patient 50.