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  • Title: [The new atherogenic plasma index reflects the triglyceride and HDL-cholesterol ratio, the lipoprotein particle size and the cholesterol esterification rate: changes during lipanor therapy].
    Author: Dobiásová M, Frohlich J.
    Journal: Vnitr Lek; 2000 Mar; 46(3):152-6. PubMed ID: 11048517.
    Abstract:
    The new atherogenic plasma index (AIP) is a logarithmic transformation of the ratio of the molar triglyceride (TG) concentration and high density lipoprotein cholesterol (HDL-C). AIP correlates closely with the size of LDL particles (r = 0.8) and esterification rate of plasma cholesterol devoid of apo B lipoproteins (FERHDL), r = 0.9 which are considered at present the most sensitive indicators of the atherogenic plasma profile. AIP was recommended by the authors, based on analysis of results of 11 previous studies (1156 subjects) where FERHDL and plasma lipid parameters were investigated in different groups of people who differed as to the atherogenic risk. The AIP index was moreover used for evaluation of a clinical study comprising 609 patients with hyperlipidaemia, who were treated for three months with ciprofibrate (Lipanor). The mean AIP values of non-risk groups (plasma from umbilical blood, children, healthy women etc.) equalled zero or were lower, while with an increasing atherogenic risk (men, women after the menopause) AIP reached positive values, incl. high positive values in risk groups (plasma of diabetic subjects, patients with HLP, patients with positive angiography, myocardial infarction etc.). In all groups women had lower AIP values as compared with males. In patients after Lipanor therapy the AIP declined (from 0.58 +/- 0.17 to 0.33_0.18 in men, from 0.50 +/- 0.18 to 0.21 +/- 0.19 in women). If we consider AIP values from negative ones to 0.15 as "safe" from the aspect of atherogenicity, before Lipanor treatment these "safe" levels were recorded in 1.5% men and in 5.2% women and after treatment in 32% men and 48% women. The results indicate, that AIP which reflects the plasma lipoprotein profile quantifies the relations between TG and HDL-C and thus can be an objective indicator of the atherogenic risk and effectiveness of treatment and it is useful because it can be assessed in any surgery.
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