IVUS also provided as a more exact and diffferent information about: lesion length (20, 532 ± 6, 85 mm vs 17, 393 ± 6, 9706 mm; p = 0, 036), reference vessle diameter (3, 130 ± 0, 603 mm vs 2, 842 ± 0, 479 mm; p < 0, 001), minimal lumen area (3, 082 ± 0, 728 mm2 vs 1, 594 ± 1, 049 mm; p < 0, 001) respectively when compared with coronary angiography.