Abstract
Since impaired glucose tolerance and iron overload are frequently demonstrated in hepatitis C virus (HCV)-related liver diseases, in this study we investigated insulin resistance, pancreatic beta-cell function, i.e., insulin secretion, and serum ferritin levels in patients with HCV infection, especially non-diabetic patients. Homeostasis model assessments for insulin resistance (HOMA-IR) and beta-cell function (HOMA-beta) were performed in 92 HCV-infected patients. The levels of plasma immunoreactive insulin (IRI), HOMA-IR, and HOMA-beta were significantly correlated with fasting plasma glucose (FPG) levels. Among the 86 non-diabetics (with an FPG of <126 mg/dl), IRI, HOMA-IR, and HOMA-beta were significantly higher in patients with liver cirrhosis than in patients with persistently normal alanine aminotransferase levels. The IRI and HOMA-IR values, but not the HOMA-beta values, were correlated with both serum transaminase and ferritin levels in the 65 non-diabetic chronic hepatitis patients. Insulin resistance was connected with impaired glucose tolerance and the severity of liver diseases in non-diabetic patients with HCV infection. Iron overload may be responsible for insulin resistance, or vice versa. Pancreatic beta-cell function was unrelated to the patients' serum ferritin levels.
Published Version
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Schedule a callMore From: Liver international : official journal of the International Association for the Study of the Liver
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