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Results for “Iron-Dextran Complex”

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PubMed1979

Intravenous iron-dextran in the treatment of iron deficient anemia.

Administration of oral ferrous salts is the preferred method of treatment for anemia due to iron deficiency. However, in certain clinical situations, the response to oral therapy may be suboptimal. Parenteral iron therapy is effective in these instances and may produce a faster response than the oral route.Of 30 patients treated by total dose intravenous infusion of iron-dextran, a prompt reticulocytosis occurred in all patients except one case associated with systemic lupus erythematosus. Hematologic improvement in this case followed remission of the systemic lupus erythematosus. Hematologic response was complete in 18 patients in five to nine weeks, but could not be evaluated in 11 cases because of recurrent bleeding. There were two adverse reactions: generalized pruritus after injection in one patient, and superficial thrombophlebitis at the injection site of another.The response to therapy in iron deficient anemia is dependent on bone marrow capacity, the severity of the anemia, and the availability of iron. Response was fastest in those who had been severely anemic for prolonged periods of time. Total dose infusion with iron-dextran is a safe and effective treatment for iron deficient anemia in selected cases. Initial response appears to be faster than that on oral therapy with the exception of those with a mild degree of anemia.

Adult↗
PubMed1977

Increased incidence of gram-negative neonatal sepsis with intramuscula iron administration.

During a five-year period the incidence of neonatal sepsis was 20 times higher in Polynesian newborns compared with European newborns (11 per 1,000 vs. 0.6 per 1,000 total births). This high incidence in Polynesians was confined to a period when the infants were being given intramuscular iron dextran. When the iron administration was stopped the incidence of disease in Polynesians decreased from 17 per 1,000 to 2.7 per 1,000 total births. An analysis of the Polynesian iron-treated and non-iron-treated groups showed a statistically significant difference in the incidence of sepsis, the type of causative organism, and mortality. The data suggest that the iron dextran injections have impaired the immunity of the treated infants, making them more susceptible to Escherichia coli sepsis.

Bacterial Infections↗
PubMed1978

Effect of repeated injections of iron dextran on the haematological, serological and pathological changes in experimental avian tuberculosis.

Eight intramuscular injections of 200 mg/kg of iron (DFe), given as iron dextran twice weekly in the week before and the three weeks after intravenous infection with about 10(7.5) colony-forming units of Mycobacterium avium, significantly prolonged (by about 11 days) the mean 'time-to-death' of immature male fowl (Gallus domesticus) compared with corresponding regimes using dextran (Dx) only or saline, When a proportion of the birds were examined 21 days after infection many of the abnormalities associated with the disease, including a marked hypochromic anaemia, were less severe in DFe-treated than in the Dx- or saline-treated chicks and there were about 10- to 85-fold fewer viable tubercle bacilli in the liver and spleen of the DFe-treated birds.

Animals↗
PubMed1977

Enhancement of survival in acute experimental fowl typhoid in chicks by the administration of iron dextran.

Chicks aged 15 days were infected orally with 10(6-4) living Salmonella gallinarum. Iron from iron dextran or ferric ammonium citrate (DFe and CFe respectively), in doses of 2-0 or 0-4 mg/kg given intramuscularly at the time of infection, had no effect on subsequent mortality compared with infected controls. Increasing the amount of CFe to the maximum (20 mg/kg) that was non-toxic intramuscularly was also ineffective but when the dose of DFe was increased to 20 or 50 mg/kg the survival rate rose sharply. If given at other times in relation to the time of infection, or more frequently, 50 mg/kg or more of DFe was less active. The increased survival rate among infected chicks given 50 mg/kg of DFe at the time of infection was accompanied by decreases in the severity of the morbid changes in the disease, and by reductions of between c 10- to 100-fold in the numbers of viable S gallinarum in the liver, spleen or blood at the height of the acute infection. DFe (50 mg/kg) given at the time of infection also eliminated the difference in the survival rate noted previously between infected chicks fed respectively with diets containing fish or meat meal as the sole source of supplementary protein.

Anemia↗
PubMed1977

Cellular distribution of orally and intramuscularly administered iron dextran in newborn piglets.

Histochemical studies were performed on tissues from piglets of different ages treated orally with iron dextran soon after birth. The mucosal cells in the distal region of the small intestine were heavily laden with stainable iron granules during the first three days after the iron administration. The absorptive epithelial cells are desquamated within seven to ten days after birth. Consequently, the number of iron granules gradually diminishes during the first seven days after treatment and no iron granules are demonstrated 12 days after the administration of iron. The iron dextran complex is pinocytosed in newborn piglets and then transported via the lymphatic system. Thus the sinusoidal lining cells of the body and mesenteric lymph nodes are already heavily laden with iron granules 24 hours after oral treatment. This iron store is released only slowing during the first weeks of life. Great amounts of iron granules are demonstrated in the liver and spleen macrophages during the first week after the administration of iron. Due to the rapid utilization of iron in growing piglets these iron stores diminish sharply during the weeks following birth. The distribution of stainable iron in the lymph nodes, liver and spleen seven days after intramuscular injection of iron dextran in newborn piglets was comparable to that for oral administration at that stage of the experiment.

Administration, Oral↗