| | | Crush | T-stenting | | LM-LAD angle ≥152° (n = 84) | LM-LAD angle <152° (n = 96) | value | LM-LAD angle ≥152° (n = 93) | LM-LAD angle <152° (n = 71) | value |
| | Angle of LM-LAD | 166.4 (158.5–175.1) | 134.0 (120.5–143.2) | <0.001 | 165.0 (157.6–173.3) | 136.1 (125.0–142.0) | <0.001 | | Angle of LM-LCX | 116.2 (104.1–131.8) | 125.5 (108.7–143.0) | 0.009 | 120.1 (104.0–132.7) | 121.0 (107.0–137.0) | 0.495 | | Angle of LAD-LCX | 68.3 (55.8–86.7) | 94.5 (79.5–116.5) | <0.001 | 71.9 (60.4–85.1) | 96.0 (76.1–109.8) | <0.001 | | SYNTAX Score | | | 0.972 | | | 0.690 | | Low score (0–22) | 27 (32.1) | 31 (32.2) | | 32 (34.8) | 28 (40.0) | | | Intermediate score (23–32) | 33 (39.3) | 39 (40.6) | | 47 (51.1) | 31 (44.3) | | | High score (≥33) | 24 (28.6) | 26 (27.1) | | 13 (14.1) | 11 (15.7) | | | Medina Classification | | | 0.603 | | | 0.475 | | True bifurcation | | | | | | | | 1.1.1 | 38 (45.2) | 38 (39.6) | | 42 (45.2) | 42 (59.2) | | | 1.0.1 | 10 (11.9) | 11 (11.5) | | 7 (7.5) | 5 (7.0) | | | 0.1.1 | 9 (10.7) | 13 (13.5) | | 18 (19.4) | 9 (12.7) | | | Nontrue bifurcation | | | | | | | | 1.0.0 | 2 (2.4) | 2 (2.1) | | 2 (2.2) | 2 (2.8) | | | 0.1.0 | 6 (7.1) | 10 (10.4) | | 7 (7.5) | 3 (4.2) | | | 1.1.0 | 5 (6.0) | 12 (12.5) | | 12 (12.9) | 8 (11.3) | | | 0.0.1 | 14 (16.7) | 10 (10.4) | | 5 (5.4) | 1 (1.4) | | | DES Type | | | 0.609 | | | 0.775 | | SES | 40 (47.6) | 41 (42.7) | | 43 (46.2) | 27 (38.0) | | | PES | 18 (21.4) | 15 (15.6) | | 15 (16.1) | 15 (21.1) | | | ZES | 9 (10.7) | 16 (16.7) | | 13 (14.3) | 9 (12.7) | | | EES | 15 (17.9) | 19 (19.8) | | 15 (16.1) | 14 (19.7) | | | BP-BES | 0 (0) | 1 (1.0) | | 6 (6.5) | 6 (8.5) | | | Stent Type | | | 0.267 | | | 0.442 | | First generation DES | 60 (71.4) | 60 (62.5) | | 63 (67.7) | 44 (62.0) | | | Second generation DES | 24 (28.6) | 36 (37.5) | | 30 (32.3) | 27 (38.0) | | | LAD stent diameter | 3.4 ± 0.4 | 3.5 ± 0.4 | 0.408 | 3.4 ± 0.4 | 3.4 ± 0.4 | 0.655 | | LCX stent diameter | 3.0 ± 0.3 | 3.0 ± 0.3 | 0.990 | 3.2 ± 0.5 | 3.2 ± 0.4 | 0.410 | | IVUS-guided PCI | 53 (63.1) | 53 (55.2) | 0.293 | 66 (71.0) | 49 (69.0) | 0.787 | | Rotablation | 0 (0) | 1 (1.0) | 1.000 | 1 (1.1) | 1 (1.4) | 1.000 | | Final kissing ballooning | 65 (83.3) | 73 (83.0) | 0.948 | 73 (90.1) | 60 (96.8) | 0.187 | | Conversion from provisional stenting | 0/76 (0) | 3/75 (4.0) | 0.120 | 60/79 (75.9) | 47/53 (88.7) | 0.067 | | Main vessel procedural success | 84/84 (100.0) | 95/96 (99.0) | 1.000 | 93/93 (100.0) | 70/70 (100.0) | NA | | Side branch procedural success | 84/84 (100.0) | 95/96 (99.0) | 1.000 | 93/93 (100.0) | 68/70 (97.1) | 0.183 | | Preintervention QCA | | | | | | | | MV RD, mm | 3.2 ± 0.4 | 3.2 ± 0.5 | 0.602 | 3.3 ± 0.5 | 3.2 ± 0.6 | 0.718 | | SB RD, mm | 2.6 ± 0.4 | 2.7 ± 0.4 | 0.262 | 2.9 ± 0.5 | 2.7 ± 0.6 | 0.114 | | MV MLD, mm | 1.2 ± 0.6 | 1.2 ± 0.6 | 0.719 | 1.2 ± 0.6 | 1.1 ± 0.5 | 0.324 | | SB MLD, mm | 1.2 ± 0.6 | 1.1 ± 0.6 | 0.572 | 1.3 ± 0.6 | 1.1 ± 0.5 | 0.055 | | MV diameter stenosis, % | 62.1 ± 17.2 | 64.4 ± 16.0 | 0.359 | 62.2 ± 18.1 | 64.8 ± 17.8 | 0.354 | | SB diameter stenosis, % | 56.2 ± 20.5 | 59.4 ± 20.5 | 0.306 | 54.1 ± 19.4 | 58.5 ± 18.4 | 0.161 | | MV lesion length, mm | 21.5 ± 17.5 | 25.4 ± 20.3 | 0.175 | 20.4 ± 14.0 | 20.1 ± 14.9 | 0.911 | | SB lesion length, mm | 12.8 ± 11.4 | 12.6 ± 11.8 | 0.919 | 9.9 ± 10.4 | 11.9 ± 12.3 | 0.260 | | MV calcification | 22 (26.2) | 42 (43.8) | 0.019 | 36 (38.7) | 28 (40.0) | 0.867 | | SB calcification | 15 (17.9) | 21 (21.9) | 0.577 | 21 (22.6) | 14 (20.0) | 0.671 | | Postintervention QCA | | | | | | | | MV RD, mm | 3.2 ± 0.5 | 3.2 ± 0.6 | 0.806 | 3.5 ± 0.6 | 3.3 ± 0.6 | 0.167 | | SB RD, mm | 2.7 ± 0.5 | 2.7 ± 0.5 | 0.753 | 2.9 ± 0.5 | 2.8 ± 0.5 | 0.214 | | MV MLD, mm | 2.8 ± 0.5 | 2.7 ± 0.5 | 0.492 | 2.7 ± 0.5 | 2.9 ± 0.6 | 0.521 | | SB MLD, mm | 2.5 ± 0.5 | 2.5 ± 0.5 | 0.416 | 2.7 ± 0.6 | 2.6 ± 0.5 | 0.292 | | MV diameter stenosis, % | 14.6 ± 11.5 | 16.3 ± 11.8 | 0.387 | 15.3 ± 11.4 | 14.7 ± 9.7 | 0.765 | | SB diameter stenosis, % | 6.2 ± 17.8 | 7.9 ± 14.7 | 0.537 | 9.1 ± 13.8 | 8.3 ± 12.6 | 0.735 |
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Values are mean ± standard deviations, median (interquartile ranges, 25th–75th), or n (%) (per-patient analysis). BP-BES, biodegradable polymer biolimus-eluting stent; DES, drug-eluting stent; EES, everolimus-eluting stent; IVUS, intravascular ultrasound; LAD, left anterior descending artery; LCX, left circumflex artery; LM, left main; MLD, minimal lumen diameter; MV, main vessel; PCI, percutaneous coronary intervention; PES, paclitaxel-eluting stent; QCA, quantitative coronary angiography; RD, reference diameter; SB, side branch; SES, sirolimus-eluting stent; ZES, zotarolimus-eluting stent.
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