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Pagophagia in men with iron-deficiency anemia.

08:00 EDT 7th April 2019 | BioPortfolio

Summary of "Pagophagia in men with iron-deficiency anemia."

Few case series of pagophagia and iron deficiency include men. We performed a retrospective study of non-Hispanic white men with iron-deficiency anemia whose anemia and pagophagia, thrombocytosis, and thrombocytopenia (if present) resolved after iron replacement. Iron-deficiency anemia was defined as transferrin saturation (TS) <15%, serum ferritin (SF) <30 μg/L, and hemoglobin (Hb) <13.0 g/dL. We excluded men with: anemia, thrombocytosis, or thrombocytopenia due to non-iron-deficiency causes; malignancy; chronic inflammatory conditions; hemochromatosis; or creatinine >1.1 mg/dL. We computed univariate and multivariable pagophagia associations with: age; gastrointestinal bleeding; TS; SF; Hb; red blood cell (RBC) count; mean corpuscular volume (MCV); RBC distribution width (RDW); and platelet count. Median age of 41 men was 54 y (range 18-81). Fourteen men (34.1%) had pagophagia. Thirty-six men (87.8%) had gastrointestinal bleeding. Mean Hb was 9.4 ± 2.2 g/dL. Six men (14.6%) had thrombocytosis; two (4.9%) had thrombocytopenia. Logistic regression on pagophagia revealed: age (p = 0.0158; odds ratio 0.92 [95% confidence interval: 0.85, 0.99]) and platelet count (p = 0.0187; 0.98 [0.97, 1.00]) (41.4% of pagophagia occurrence; ANOVA p = 0.0053). We conclude that pagophagia occurred in 34% of men with iron-deficiency anemia and was negatively associated with age and platelet count, after adjustment for other variables.

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This article was published in the following journal.

Name: Blood cells, molecules & diseases
ISSN: 1096-0961
Pages: 72-75

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Medical and Biotech [MESH] Definitions

Anemia characterized by decreased or absent iron stores, low serum iron concentration, low transferrin saturation, and low hemoglobin concentration or hematocrit value. The erythrocytes are hypochromic and microcytic and the iron binding capacity is increased.

Iron or iron compounds used in foods or as food. Dietary iron is important in oxygen transport and the synthesis of the iron-porphyrin proteins hemoglobin, myoglobin, cytochromes, and cytochrome oxidase. Insufficient amounts of dietary iron can lead to iron-deficiency anemia.

Anemia characterized by a decrease in the ratio of the weight of hemoglobin to the volume of the erythrocyte, i.e., the mean corpuscular hemoglobin concentration is less than normal. The individual cells contain less hemoglobin than they could have under optimal conditions. Hypochromic anemia may be caused by iron deficiency from a low iron intake, diminished iron absorption, or excessive iron loss. It can also be caused by infections or other diseases, therapeutic drugs, lead poisoning, and other conditions. (Stedman, 25th ed; from Miale, Laboratory Medicine: Hematology, 6th ed, p393)

A nutritional condition produced by a deficiency of FOLIC ACID in the diet. Many plant and animal tissues contain folic acid, abundant in green leafy vegetables, yeast, liver, and mushrooms but destroyed by long-term cooking. Alcohol interferes with its intermediate metabolism and absorption. Folic acid deficiency may develop in long-term anticonvulsant therapy or with use of oral contraceptives. This deficiency causes anemia, macrocytic anemia, and megaloblastic anemia. It is indistinguishable from vitamin B 12 deficiency in peripheral blood and bone marrow findings, but the neurologic lesions seen in B 12 deficiency do not occur. (Merck Manual, 16th ed)

An excessive accumulation of iron in the body due to a greater than normal absorption of iron from the gastrointestinal tract or from parenteral injection. This may arise from idiopathic hemochromatosis, excessive iron intake, chronic alcoholism, certain types of refractory anemia, or transfusional hemosiderosis. (From Churchill's Illustrated Medical Dictionary, 1989)

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