نتایج جستجو برای: iron saturation
تعداد نتایج: 189069 فیلتر نتایج به سال:
BACKGROUND Iron plays an essential role in various tissue functions, and hence the reliable assessment of iron nutrition status of preterm infants appears to be mandatory. OBJECTIVES To summarize available data on cord blood concentrations of iron status parameters as surrogate reference ranges for preterm infants until term-equivalent age. METHODS Review of the literature searching PubMed ...
The effects of powder particle size on the densification and microstructure of iron powder in the direct laser sintering process were investigated. Iron powders with particle sizes ranging from 10 to 200 m were used. It was found that the sintered density increases as the laser energy input is increased. There is, however, a saturation level at which higher density cannot be obtained even at ve...
Anemia is a frequent complication in the maintenance hemodialysis (MHD) patients. However, data on serum hepcidin level as a guide in MHD patients are limited. We aimed to investigate the clinical significance of serum hepcidin level on erythropoiesis-stimulating agents (ESAs) and/or intravenous iron therapy among MHD patients. A total of 32 MHD patients receiving ESAs and iron therapy were enr...
How often elevated serum ferritin in primary-care patients reflects increased iron stores (normally 0.8 g in men, 0.4 g in women) is not known. The Hereditary Hemochromatosis and Iron Overload Screening (HEIRS) study screened 101,168 primary-care participants (44% Caucasians, 27% African-Americans, 14% Asians/Pacific Islanders, 13% Hispanics, 2% others). Follow-up clinical evaluation was perfor...
OBJECTIVE 1. To compare peripheral smear (PS) and Red cell distribution width (RDW) in diagnosis of Iron deficiency anemia (IDA) in various grades. 2. To study the changes in RDW and PS after therapy. METHODS Children in the age group of six months to five years with microcytic (MCV<80fl) anemia (Hemoglobin <11 g%) were evaluated. Those who had received blood transfusion and /or were already ...
input frequency is one of the important variables in design and performance analysis of single-sided linear induction motors (slims). changing the frequency changes both the dimension of the slim in design process and the performance of the designed motor. the frequency influences the induced eddy currents in the secondary sheet as well as saturation level of the secondary back-iron. in this pa...
OBJECTIVE It is not known to what extent iron overload predicts prognosis in patients with diabetes after diagnosis or whether iron overload is a risk factor independent of the HFE genotype. We investigated total and cause-specific mortality according to increased transferrin saturation (≥ 50 vs. <50%), whether mortality is driven by the HFE genotype, and whether early measurement of transferri...
To test the hypothesis that low iron status or other nutritional deficiencies are associated with symptoms of depression in premenopausal women, the authors related blood indices of iron status to scores on the Minnesota Multiphasic Personality Inventory (MMPI) and responses to a mood adjective checklist. Participants recruited locally provided fasting blood samples and completed the MMPI durin...
The level of body iron storage and the erythropoietic need for iron are indicated by the serum levels of ferritin and soluble transferrin receptor (sTfR), respectively. A meta-analysis of five genome-wide association studies on sTfR and ferritin revealed novel association to the PCSK7 and TMPRSS6 loci for sTfR and the HFE locus for both parameters. The PCSK7 association was the most significant...
After total dose infusion of iron dextran to 14 pregnant women the saturation of transferrin and the concentration of ferritin were increased in the cord blood at birth, compared with untreated cases. These changes suggest that the fetal iron stores may be increased by such treatment.
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