Contrast medium usage, fluoroscopy time and procedure time were not significantly different between the 5 Fr and 6 Fr PCI group (Successcively 269 + 112 ml vs 279 + 107ml, p=0.64; 20.96±3.82 minutes vs 25.49±15.71 minutes, p = 0.13; and 83.09±39.85 minutes vs 92.54±42.08 minutes, p=0, 29).