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  • Title: [Ethanol metabolism and pathobiochemistry of organ damage--1992. IV. Ethanol in relation to the cardiovascular system. Hematologic, immunologic, endocrine disorders and muscle and bone damage caused by ethanol. Fetal alcohol syndrome].
    Author: Zima T.
    Journal: Sb Lek; 1993; 94(4):303-9. PubMed ID: 7992017.
    Abstract:
    Peripheral vasodilatation with increased cardiac output, tachycardia and increased blood pressure are described after alcohol administration. An increased HDL-cholesterol is found in moderate drinkers (both HDL-2 and HDL-3 fractions), with diminishing risk of coronary heart diseases. Acute ethanol intake causes an increased the level of triglycerides without changes in HDL-cholesterol level. This may be put into correlation with higher incidence of cardiovascular diseases in so-called "week-end" drinkers. Alcohol abuse may result in central diabetes insipidus. An increased elimination of lactate diminishes tubular secretion of uric acid with subsequent secondary hyperuricemia. Ethanol reduced the number of lymphocytes, reduces phagocytosis by macrophages and diminishes the activity of NK-cells. Bone marrow cellulity diminishes with the subsequent reduction in erythropoiesis, trombopoiesis and leukopoiesis. Alcohol may cause sideropenic and megaloblastic anemia. There are two forms of alcohol muscle injury: the acute one, with myonecrosis and inflammatory reaction, and chronic one, with muscle weakness and atrophy. Alcohol is one of etiologic factors of osteoporosis. An acute intoxication result in transitory hypoparatthyreoidism, while chronic ethanol intake make grow the PTH level and decreases the level of D vitamin metabolises. Stimulation of cortisol secretion, decrease of testosterone level and a reversible decrease of T3 and T4 levels have been described following ethanol administration. Hypothalamic-pituitary-adrenal axis suffers alteration in alcoholics, and secondary amenorrhea is observed in female alcoholics. Ethanol behaves as an agonist on GABA receptor. Fetal alcohol syndrome together with Down's syndrome and spina bifida are the most frequent reasons of mental retardation in developed countries. Toxicity of ethanol affects the whole pregnancy period.(ABSTRACT TRUNCATED AT 250 WORDS)
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