<qa>  What was the difference between a lipid lowering therapy and pravastatin?Recently, research on diagnosis of coronary plaque has shown significant advances. The REVERSAL study in patients with a history of CHD, by diagnosis with intravascular ultrasound IVUS, suggested that intensive lipid lowering therapy with atorvastatin 80 mgday was associated with no growth of plaque -0.4 compared to baseline, whereas therapy with pravastatin 40 mgday showed a slight increase 2.7 in plaque volume over 18 months in Western population. 