Aim To explore the role of insulin resistance (IR)in atherosderotic cerebral infarction (AO)and lacunar cerebral infarction (LCI). Methods The serum concentrations of insulin after overnight fast and glucose load were determined by the use of radioimmunoassay and the serum concentrations of glucose, total cholesterol (TC), triglyceride (TG), highdensity lipoprotein cholesterol (HDL-C), lipoprotein (a) [Lp(a) ], apolipoprotein A and B (ApoA, ApoB) after overnight fast and the serum concentrations of glucose after glucose load w...