Table 3.15 Percentage of patients according to extension of defect in stress image Defect extension Pts after PCI P ts after CABG All p (1 - 2) n (n=85)% n (N = 21)% n (n=106)% < 5 12 14, 1 5 23, 8 17 16, 0 >0, 05 5 - <10 17 20, 0 3 14, 3 20 18, 9 ≥ 10 56 65, 9 13 61, 9 69 65, 1 X ± SD 17, 2 ± 12, 4 13, 7 ± 9, 6 16, 5 ± 11, 9 > 0, 05 Median (percentile 25% - 75%) 15 (7 - 26) 13 (5 - 20) 14 (7 - 25) 65, 1% pts presented defect in stress imagewith extension ≥ 10% LV myocardium Defect extension Myocardium regions involved stentedcoronary branches (1) Myocardium regions uninvolved stented coronary braches All Coronary branches stenosis< 70% (2) Coronary branches stenosis ≥ 70% (3) n (n=122)% n (n=110)% n (n=23)% n (n=255)% No defect 47 38, 5 46 41, 8 6 26, 1 99 38, 8 Small 34 27, 9 26 23, 6 6 26, 1 66 25, 9 Medium 14 11, 5 22 20, 0 4 17, 4 40 15, 7 Large 27 22, 1 16 14, 5 7 30, 4 50 19, 6 p (1 - 2) > 0, 05; p (2 - 3) > 0, 05; p (1 - 3) > 0, 05 LV myocardium devided to 3 regions involved 3 main coronary artery branches: LAD, LCx, RCA 12 3.1.2.2.