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  • Title: [Hormonal dysregulation of lipid metabolism in pathogenesis of ischemic heart disease].
    Author: Sokolov EI, Perova NV.
    Journal: Klin Med (Mosk); 2004; 82(1):27-31. PubMed ID: 15022592.
    Abstract:
    The aim of the study was to specify postprandial hyperlipidemia (PHL) and the level of hormones which regulate metabolism, lipids in particular, in patients with ischemic heart disease (IHD) vs those in healthy persons and patients with thyrotoxicosis as well as to clarify whether IHD pathogenesis correlates with fat metabolism disturbance. Lipid and apoprotein parameters of dyslipoproteinemia, concentrations of insulin, hydrocortisone, T3, T4 and thyrotropic hormone were tested before and 3, 6 hours after fat loading in IHD patients with angiographically documented coronary atherosclerosis, in healthy persons and patients with diffuse toxic goiter. In IHD patients postprandial PHL differed from that in healthy persons and thyrotoxicosis patients by higher and growing up to hour 6 after fat loading hypertriglyceridemia associated with lowering of antiatherogenic cholesterol of HDLP. In thyrotoxicosis both fasting and afterload lipid and apoprotein indices of the lipoprotein spectrum continued at low level except triglycerides the level of which returned to normal level. The hormonal spectrum in IHD patients was characterized by higher fasting insulin and its noticeable rise after fat loading. As healthy persons and patients with thyrotoxicosis had no significant changes in hormones levels after fat loading, it is suggested that development of atherogenic postprandial PHL caused primarily by hormone dysregulation of fat metabolism with a leading role of hyperinsulinemia contributes much to pathogenesis of IHD.
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