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  • Title: Differences in cardiovascular risk profile based on relationship between post-load plasma glucose and fasting plasma levels.
    Author: Succurro E, Marini MA, Grembiale A, Lugarà M, Andreozzi F, Sciacqua A, Hribal ML, Lauro R, Perticone F, Sesti G.
    Journal: Diabetes Metab Res Rev; 2009 May; 25(4):351-6. PubMed ID: 19319930.
    Abstract:
    BACKGROUND: It has been shown that subjects with normal glucose tolerance (NGT), whose plasma glucose (PG) levels do not return to their fasting PG level within 2 h during an oral glucose tolerance test (OGTT) (Group I), have a significantly higher risk to develop type 2 diabetes than NGT subjects whose 2-h glucose returns to, or drops below, the fasting level (Group I). However, it is still unsettled whether individuals in Group II have a more atherogenic profile than Group I subjects. METHODS: To address this issue, we examined 266 non-diabetic offspring of type 2 diabetic patients, recruited in the context of EUGENE2 cross-sectional study. All subjects underwent an euglycaemic-hyperinsulinemic clamp to assess glucose tolerance and insulin sensitivity. Furthermore, cardiovascular risk factors and ultrasound measurement of carotid intima-media thickness (IMT) were evaluated. RESULTS: Individuals in Group II exhibited significantly higher waist circumference, blood pressure, triglycerides, 2-h post-load PG, hsC-reactive protein, interleukin-6, insulin-like growth factor-1 (IGF-1), IMT, and lower insulin sensitivity than subjects in Group I. CONCLUSIONS: Subjects with NGT, whose PG concentration does not return to their fasting PG level within 2 h during OGTT, have an atherogenic profile, suggesting that performing OGTT with measurement of PG every 30 min may be useful to assess the risk for cardiovascular disease in glucose-tolerant subjects.
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