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    Effects of fluvastatin treatment on insulin sensitivity in patients with hyperlipidaemia
    (Sage Journals, 2002) Top, C.; Terekeci, Murat Hakan; Keskin, O.; Önde, Mehmet Emin
    This study aimed to determine the effects of fluvastatin treatment on insulin sensitivity in patients with hyperlipidaemia. Non-obese, normoglycaemic, normotensive patients with hyperlipidaemia (n = 20) and a reference group of healthy subjects of similar age, sex, and body mass index (n = 20) were evaluated. Patients with other causes of peripheral insulin resistance were excluded. All participants underwent a diagnostic protocol, which included measurements of insulin sensitivity index and other metabolic parameters. Insulin sensitivity was assessed by Homeostasis Model Assessment (HOMA). Serum insulin levels were tested by radioimmunoassay. Patients were treated with fluvastatin 40 mg once daily for 3 months. Before fluvastatin treatment, fasting serum insulin levels were significantly raised in patients with hyperlipidaemia compared with subjects from the reference group (19.1 ± 13.4 versus 8.1 ± 3.4 ?lU/ml). The fasting serum insulin levels and HOMA-estimated insulin sensitivity were correlated in the whole group. Correlation analysis showed a significant relationship between HOMA-estimated insulin resistance and plasma cholesterol and triglyceride concentrations. Patients with hyperlipidaemia had reduced insulin sensitivity that was reflected by high serum fasting insulin levels. Anti-hyperlipidaemic treatment with fluvastatin increases insulin sensitivity.