16 research outputs found

    Desferrioxamine en hémodialyse à l'origine d'une septicémie à Yersinia Enterolictica

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    Case ReportsLetterinfo:eu-repo/semantics/publishe

    Inappropriate secretion of antidiuretic hormone treated with frusemide

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    SCOPUS: ar.jinfo:eu-repo/semantics/publishe

    Advantages and limits to copper phytoextraction in vineyards

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    International audienceCopper (Cu) contamination of soils may alter the functioning and sustainability of vineyard ecosystems. Cultivating Cu-extracting plants in vineyard inter-rows, or phytoextraction, is one possible way currently under consideration in agroecology to reduce Cu contamination of vineyard topsoils. This option is rarely used, mainly because Cu phytoextraction yields are too low to significantly reduce contamination due to the relatively "low" phytoavailability of Cu in the soil (compared to other trace metals) and its preferential accumulation in the roots of most extracting plants. This article describes the main practices and associated constraints that could theoretically be used to maximize Cu phytoextraction at field scale, including the use of Cu-accumulating plants grown (i) with acidifying plants (e.g., leguminous plants), and/or (ii) in the presence of acidifying fertilizers (ammonium, elemental sulfur), or (iii) with soluble "biochelators" added to the soil such as natural humic substances or metabolites produced by rhizospheric bacteria such as siderophores, in the inter-rows. This discussion article also provides an overview of the possible ways to exploit Cu-enriched biomass, notably through ecocatalysis or biofortification of animal feed

    Treatment of the syndrome of inappropriate secretion of antidiuretic hormone with furosemide

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    SCOPUS: ar.jinfo:eu-repo/semantics/publishe

    LE LORMETAZEPAM DANS UN SERVICE DE MEDECINE INTERNE

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    SCOPUS: NotDefined.jinfo:eu-repo/semantics/publishe

    Hyponatremia is not a regulator of serum thyroxin.

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    Journal ArticleSCOPUS: ar.jinfo:eu-repo/semantics/publishe

    Pellagra: unusual cause of paranoid delirium in dialysis

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    A 60-year-old woman treated by maintenance haemodialysis refused to take part of the usual vitamin supplements for many years. After an intercurrent illness with profound malnutrition, she developed a paranoid delirium and some behavioural disorders; concomitant diarrhoea and a skin rash were noted. Parenteral nicotinamide (500 mg/day) resulted in a complete recovery from the mental disorders after five days. Other causes of mental disturbance as a result of dialysis could be ruled out. However an asymptomatic underlying hypothyroidism may have been one of the conditioning factors as well as the failure to administer nicotinamide supplements during an acute illness. Neurological pellagra could thus be considered as a rare but reversible cause of mental disorders in patients on maintenance haemodialysis.Case ReportsJournal ArticleSCOPUS: ar.jinfo:eu-repo/semantics/publishe

    Impairment of phagocyte oxidative metabolism in hemodialyzed patients with iron overload

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    In order to study the influence of iron overload on the polymorphonuclear leucocyte (PMN) metabolism of patients on chronic hemodialysis, generation of superoxide anion (O2-) by PMN in whole blood was compared in two groups of hemodialyzed patients: group A consisted of twenty-one individuals with serum ferritin levels above 1000 ng/ml and group B of nineteen individuals with serum ferritin levels below 1000 ng/ml. Whereas basal production of O2- was similar in the two groups (6.3 +/- 4.6 vs 11.5 +/- 8.3 nmoles O2- 10(6) granulocytes-1 15 min-1) (mean +/- s.e.m.), PMN response to opsonized zymosan was significantly lower in group A as compared with group B (86.5 +/- 6.3 vs 120.4 +/- 8.2 nmoles O2- 10(6) granulocytes-1 15 min-1) (p less than 0.01). Superoxide anion generation induced by the dialysis procedure was reduced in eight patients from group A (89.2 +/- 32.1) as compared with eight patients from group B (374.3 +/- 100.0 nmoles O2- 10(6) granulocytes-1 15 min-1) (p less than 0.05). These data suggest that iron overload may be involved in the impairment of neutrophil phagocytosis in patients on chronic hemodialysis.Comparative StudyJournal Articleinfo:eu-repo/semantics/publishe
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