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  • 1
    ISSN: 1432-1440
    Keywords: Prognosis ; Multiple trauma ; Acutephase response ; APACHE II scores
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This prospective study of 35 multitraumatized intensive care unit patients requiring mechanical ventilation examined the relative utility of four biochemical parameters with a physiological scoring system for predicting lethal outcome. Levels of serum phospholipase A2 (PLA2), serum amyloid A (SAA), polymorphonuclear granulocyte elastase (PMN elastase), and C-reactive protein (CRP) were determined at short intervals during the patient's hospitalization. The first specimen was obtained at the time of admission, and subsequent specimens were drawn at 8 h intervals for the first 48 h and then twice daily until death or convalescence. Calculations of the APACHE II score used the most deranged variables during the first 24 h of admission to assess patient outcome. Additional calculations of the APACHE II score at the time of each blood draw served as an indicator of patient status. The results indicate that during the first 24 h after admission none of the four examined biochemical parameters gives reliable information about the outcome. The APACHE II score provided the earliest indicator of patient outcome (83% sensitivity, 65% specificity). PMN elastase provided useful information first at 32 h (83% sensitivity, 45% specificity) and better at 132 h (86% sensitivity, 86% specificity). CRP was of intermediate use in predicting outcome initially at 72 h (83% sensitivity, 50% specificity) and later at 132 h (86% sensitivity, 93% specificity). PLA2 and SAA were not useful as early indicators of lethal outcome.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-2665
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 2016-05-17
    Description: The placental metabolism can adapt to the environment throughout pregnancy to both the demands of the fetus and the signals from the mother. Such adaption processes include epigenetic mechanisms, which alter gene expression and may influence the offspring's health. These mechanisms are linked to the diversity of prenatal environmental exposures, including maternal under- or overnutrition or gestational diabetes. The peroxisome proliferator-activated receptors (PPARs) are nuclear receptors that contribute to the developmental plasticity of the placenta by regulating lipid and glucose metabolism pathways, including lipogenesis, steroidogenesis, glucose transporters, and placental signaling pathways, thus representing a link between energy metabolism and reproduction. Among the PPAR isoforms, PPAR appears to be the main modulator of mammalian placentation. Certain fatty acids and lipid-derived moieties are the natural activating PPAR ligands. By controlling the amounts of maternal nutrients that go across to the fetus, the PPARs play an important regulatory role in placenta metabolism, thereby adapting to the maternal nutritional status. As demonstrated in animal studies, maternal nutrition during gestation can exert long-term influences on the PPAR methylation pattern in offspring organs. This review underlines the current state of knowledge on the relationship between environmental factors and the epigenetic regulation of the PPARs in placenta metabolism and offspring development.
    Print ISSN: 0193-1849
    Electronic ISSN: 1522-1555
    Topics: Medicine
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