نتایج جستجو برای: blood iron
تعداد نتایج: 819678 فیلتر نتایج به سال:
It is important to beginwith the distinctive properties of iron and its role as an essential micronutrient. Iron itself or as a component of heme and iron-sulfur clusters is required for numerous biological processes. Additionally, iron’s reactivity makes it quite toxic because it is able to catalyze Fenton reactions and generate dangerous hydroxyl radicals. Similarly, imbalances in the biogene...
In a randomized controlled blinded trial, 2-year-old purpose-bred beagles (n = 24), with Staphylococcus aureus pneumonia, were exchanged-transfused with either 7- or 42-day-old washed or unwashed canine universal donor blood (80 mL/kg in 4 divided doses). Washing red cells (RBC) before transfusion had a significantly different effect on canine survival, multiple organ injury, plasma iron, and c...
From the nutritional standpoint, several aspects of the biochemistry and physiology of iron are unique. In stark contrast to most other elements, most of the iron in mammals is in the blood attached to red blood cell hemoglobin and transporting oxygen to cells for oxidative phosphorylation and other purposes. Controlled and uncontrolled blood loss thus has a major impact on iron availability. A...
INTRODUCTION Iron deficiency anemia is commonly associated with thrombocytosis, although thrombocytopenia has been reported in occasional patients with iron-deficiency anemia. Much less common is the development of thrombocytopenia following replenishment of iron stores. CASE PRESENTATION We present the unusual case of a 39 year old African American female Jehovah's Witness who presented with...
Chelation therapy with deferoxamine is effective in preventing the risk of transfusional iron overload, but treatment failure is common because of noncompliance. To reduce the transfusional iron load, we have evaluated longterm erythrocytapheresis in 14 subjects with sickle cell disease and stroke (11) or other complications (3) as an alternative to simple transfusion. Subjects were treated wit...
Iron is indispensable for the proper functioning of virtually all cells in the body. However, red blood cells, which contain approximately 80% of organismal iron, have a particularly intimate relationship with this precious metal. It is safe to say that the iron content of erythroid progenitors (e.g., BFU-Es; please see below) is infi nitesimal compared to the amount of iron in mature erythrocy...
It is the usual practice to bleed donors and store their blood for transfusion purposes. Theaim of this work evaluate depletion serum iron levels in stored blood. Onehundred samples were collected from at University Benin Teachinghospital analyzed levels, hemoglobin concentration, packed cell volume andblood morphology using standard methods day 0 (controls) 15 30.The mean ?SEM iron, 17.7 ? 1.0...
To the Editor: In his recent editorial, Daniel Coyne raises concerns regarding iron overload detection in dialysis patients by quantitative magnetic resonance imaging (MRI). Using the equation established by Barry in 1974 (based on the relationship between liver iron content [LIC] and stored iron mobilized by phlebotomy in 12 patients with genetic hemochromatosis, where 30 mmol/g dry liver LIC ...
a total number of 124 women of childbearing age attending a family planning clinic in teheran were investigated for the effects of contraceptive steroids and the intra-terine device on their hemoglobin concentration, packed cell volume, serum iron and serum tibc. a total of 42 women were used as control group of 42 women who were fitted with an intra-uterine device, 17 were studied for changes ...
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