reticulocytosis/hemoragie

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The effect of reticulocytosis on Plasmodium vinckei infection in white mice. Action of phenylhydrazine and of repeated bleedings.

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Chronic massive fetomaternal hemorrhage in a newborn from immigrants. Clinical and organizational implications.

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Fetomaternal hemorrhage (FMH) refers to the entry of fetal blood into the maternal bloodstream before or during delivery. FMH of more than 30 mL occurs with the frequency of about 1/300. Fetal outcomes may be compromised by still births, hydrops fetalis, cardiac complications, and increased rates of

A light and electron microscopic study of changes in blood and bone marrow in acute hemorrhagic Trypanosoma vivax infection in calves.

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Eleven 6-month-old calves were tsetse fly challenged with a stock of Trypanosoma vivax (IL 2337) that causes hemorrhagic infection. The calves were randomly euthanatized every 4 to 6 days; two other calves served as controls. Peripheral blood changes included anemia, thrombocytopenia, and an initial

Duffy antigen expression on reticulocytes does not alter following blood loss in an autologous donation model.

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BACKGROUND The Duffy blood group (Fy) antigen functions as the receptor whereby the malarial parasite Plasmodium vivax invades reticulocytes. In this study, we evaluated an autologous blood donation model to measure Fy expression during the anticipated response to blood loss. OBJECTIVE This study

LK sheep reticulocytosis: effect of anti-L on K influx and in vitro maturation.

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After massive hemorrhage, adult sheep with genotypically low potassium (LK) red cells temporarily produce high potassium (HK) cells with ouabain-sensitive K+ pump fluxes equivalent to mature HK red cells. In light of recent reports of different red cell volume populations accompanying the HK-LK

Pharmacokinetics and pharmacodynamics of six epoetin alfa dosing regimens in anemic critically ill patients without acute blood loss.

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OBJECTIVE To describe the pharmacokinetic profiles of six different dosing regimens for epoetin alfa, and whether more rapid and robust reticulocytosis can be elicited with more frequent administration of epoetin alfa in anemic critically ill patients. METHODS Randomized, open-label, multicenter,

Liposteroid against refractory pulmonary haemorrhage in idiopathic pulmonary haemosiderosis.

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We describe two Japanese children with idiopathic pulmonary haemosiderosis (IPH), whose refractory haemorrhages were treated with an intravenous lipid emulsion containing dexamethasone (liposteroid). A 22-month-old boy and a 14-month-old girl have been observed with similar symptoms; periodic bouts

Creatine during bleeding anemia of rabbits.

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In bleeding induced anemia of rabbits an increase of creatine in the red cells occurred, which in some cases amounted to more than 5-times the normal concentration. In all but one case plasma creatine rose as well. Reticulocytosis, increased O2-consumption of the red cells and an increased level of

[Effect of neutrophil secretory products on erythropoiesis in erythroblastic islets of bone marrow after hemorrhage].

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The effects of activated neutrophilic secretory products on marrow erythroblastic islet erythropoiesis and peripheral blood parameters were studied after experimental blood loss. The supernatant of activated neutrophils was demonstrated to potentiate erythrodieresis in early post-loss period. At the

Energy production and redox status of rat red blood cells after reticulocytosis induced by various treatments.

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Stimulated erythropoiesis and reticulocytosis can be induced by daily bleeding, or by phenylhydrazine (PHZ) treatment. We compared the in vivo effects of PHZ and bleeding treatment on haematological, energy and redox status parameters in red blood cells (RBC) of rats. The results showed that all

Effect of repetitive bleeding on NADH-cytochrome b5 methemoglobin reductase activity and molybdenum content in erythrocytes in rats.

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Reticulocytosis in rats was induced by repetitive bleeding. Both in the vitro and the in vivo studies showed that the detected reductive speed of methemoglobin of the bleeding group was faster than that of the control group at all time intervals. At the same time, the NADH-cytochrome b5

Reticulocytosis in non-anaemic cats and dogs.

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OBJECTIVE To evaluate the proportion of blood samples diagnosed with reticulocytosis without anaemia in cats and dogs and report the aetiology and mortality rate of affected animals. METHODS Retrospective multicentre study including haematological examination of 3956 cats and 11,087 dogs admitted to

Hematological response of Japanese quail to acute hemorrhagic stress.

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Hematological and serum biochemical changes in response to hemorrhagic stress were determined in both sexes of juvenile and adult Coturnix coturnix japonica over 3 day period following a mechanical hemorrhage of 30% of the calculated total blood volume. There was an initial shift posthemorrhage

Chronic occult intra-alveolar hemorrhage: a rare cause of failure to respond to erythropoietin.

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Recombinant human erythropoietin (EPO) is an effective and safe therapy for correction of anemia in end-stage renal disease (ESRD). Clinical trials reported to date suggest that EPO improves anemia in over 90% of hemodialysis patients with anemia (Eschbach 1989). Factors which have been identified

Alterations in bone and erythropoiesis in hemolytic anemia: comparative study in bled, phenylhydrazine-treated and Plasmodium-infected mice.

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Sustained erythropoiesis and concurrent bone marrow hyperplasia are proposed to be responsible for low bone mass density (BMD) in chronic hemolytic pathologies. As impaired erythropoiesis is also frequent in these conditions, we hypothesized that free heme may alter marrow and bone physiology in

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