From: Rational guidewire use in the coronary chronic total occlusion interventions
Variables | Same initial-final guidewire (+) | Same initial-final guidewire (−) | p |
---|---|---|---|
Age (years) | 63.41 ± 10.9 | 61.74 ± 10.2 | 0.30 |
Sex | 0.07 | ||
Male | 71.8% (56) | 84.8% (84) | |
Female | 26.9% (21) | 15.2% (15) | |
BMI (mg/dl) | 27.9 ± 4.65 | 28.5 ± 4.23 | 0.42 |
Initial creatinine (mg/dl) | 0.96 ± 0.30 | 1.04 ± 0.36 | 0.12 |
GFR (ml/minutes) | 64.2 ± 22.6 | 68.7 ± 21.3 | 0.76 |
LV EF | 0.07 | ||
> 50% | 73.1% (57) | 61.6% (61) | |
35–50% | 20.5% (16) | 35.4% (35) | |
< 35% | 6.4% (5) | 3.0% (3) | |
Hypokinesia in cto territory | 41% (32) | 57.6% (57) | 0.09 |
Procedural technique | < 0.01 | ||
Single-wire cross | 88.5% (69) | 38.4% (38) | |
Parallel wire cross | 1.3% (1) | 10.1% (10) | |
Step up—step down | 5.1% (4) | 37.4% (37) | |
Dissection and re-entry | 5.1% (4) | 11.1% (11) | |
Reversed cart | 0% (0) | 3% (3) | |
Radial access | 55.1% (43) | 61.6% (61) | 0.38 |
Kontralateral contrast injection | 48.7% (38) | 56.6% (56) | 0.29 |
J-CTO Score | 0.83 ± 0,88 | 1.89 ± 1.13 | < 0.01 |
0 | 42.3% (33) | 13.1% (13) | |
1 | 37.2% (29) | 21.2% (21) | |
2 | 16.7% (13) | 36.4% (36) | |
3 | 2.6% (2) | 22.2% (22) | |
4 | 1.3% (1) | 6.1% (6) | |
5 | 0% (0) | 1% (1) | |
EuroCTO score | 0.93 ± 0.90 | 1.84 ± 1.23 | < 0.01 |
Target vessel | 0.89 | ||
LAD | 34.6% (27) | 31.3% (31) | |
LCX | 19.2% (15) | 20.2% (20) | |
RCA | 46.2% (36) | 48.5% (48) | |
CTO segment | 0.50 | ||
Ostial | 5.1% (4) | 8.1% (8) | |
Proximal | 33.3% (26) | 39.4% (39) | |
Mid | 52.6% (41) | 41.4% (41) | |
Distal | 9% (7) | 11.1% (11) | |
Guidewire number | 2.85 ± 1.31 | 5.48 ± 2.43 | < 0.01 |
Ballon number | 2.85 ± 1.44 | 3.20 ± 1.88 | 0.18 |
Stent number | 1.58 ± 0.70 | 1.91 ± 0.91 | 0.01 |
Stent length (mm) | 50.6 ± 21.8 | 65.7 ± 33.0 | 0.001 |
Fluoroscopy duration | 22.2 ± 13.1 | 45.6 ± 24.4 | < 0.01 |
Contrast amount (ml) | 242 ± 114 | 362 ± 173 | < 0.01 |
Total | 44.1% (78) | 55.9% (99) |