Table 7 Distribution of first-choice and final crossing guidewire characteristics according to EuroCTO score
From: Rational guidewire use in the coronary chronic total occlusion interventions
Variables | E-CTO 0 | E-CTO 1 | E-CTO 2 | E-CTO 3 | E-CTO 4 | E-CTO 5 | p |
|---|---|---|---|---|---|---|---|
Guidewire number | 3.29 ± 1.79 | 3.61 ± 1.70 | 5.31 ± 2.57 | 4.66 ± 3.02 | 5.42 ± 2.43 | 7.33 ± 4.16 | < 0.001 |
1–3 | 70.7% (29) | 60.0% (33) | 27.6% (16) | 41.7% (5) | 14.3% (1) | 0% (0) | |
4–6 | 22.0% (9) | 30.9% (17) | 46.6% (27) | 41.7% (5) | 71.4% (5) | 66.7% (2) | |
7–10 | 7.3% (3) | 9.1% (5) | 20.7% (12) | 8.3% (1) | 0% (0) | 0% (0) | |
> 10 | 0% (0) | 0% (0) | 5.2% (3) | 8.3% (1) | 14.3% (1) | 33.3% (1) | |
Initial guide wire | 0.06 | ||||||
Fielder brand | 31.7% (13) | 21.8% (12) | 25.9% (15) | 41.7% (5) | 28.6% (2) | 0% (0) | |
Miracle brand | 4.9% (2) | 5.5% (3) | 6.9% (4) | 8.3% (1) | 0% (0) | 33.3% (1) | |
Pilot brand | 48.8% (20) | 50.9% (28) | 22.4% (13) | 8.3% (1) | 28.6% (2) | 0% (0) | |
Gaia brand | 2.4% (1) | 1.8% (1) | 3.4% (2) | 0% (0) | 0% (0) | 0% (0) | |
Confianza brand | 2.4% (1) | 1.8% (1) | 22.4% (13) | 16.7% (2) | 14.3% (1) | 33.3% (1) | |
Ultimate brand | 2.4% (1) | 5.5% (3) | 10.3% (6) | 8.3% (1) | 14.3% (1) | 0% (0) | |
Sion brand | 4.9% (2) | 5.5% (3) | 6.9% (4) | 0% (0) | 0% (0) | 33.3% (1) | |
PT brand | 0% (0) | 1.8% (1) | 1.7% (1) | 8.3% (1) | 14.3% (1) | 0% (0) | |
Gladius brand | 0% (0) | 5.5% (3) | 0% (0) | 8.3% (1) | 0% (0) | 0% (0) | |
Progress brand | 2.4% (1) | 0% (0) | 0% (0) | 0% (0) | 0% (0) | 0% (0) | |
Initial wire type | 0.001 | ||||||
Polymeric | 80.5% (33) | 80.0% (44) | 50.0% (29) | 66.7% (8) | 71.4% (5) | 0% (0) | |
Non-poylmeric | 19.5% (8) | 20.0% (11) | 50.0% (29) | 33.3% (4) | 28.6% (2) | 100% (3) | |
Initial wire stiffness | 0.01 | ||||||
Soft (< 1 g) | 34.1% (14) | 25.5% (14) | 32.8% (19) | 50.0% (6) | 42.9% (3) | 33.3% (1) | |
Moderate1-9 g) | 61.0% (25) | 70.9% (39) | 44.8% (26) | 33.3% (4) | 42.9% (3) | 33.3% (1) | |
Stiff (≥ 9 g) | 4.9% (2) | 3.6% (2) | 22.4% (13) | 16.7% (2) | 14.3% (1) | 33.3% (1) | |
Final guidewire | 0.39 | ||||||
Fielder brand | 26.8% (11) | 19.6% (10) | 26.9% (14) | 37.5% (3) | 20.0% (1) | 0% (0) | |
Miracle brand | 7.3% (3) | 3.9% (2) | 5.8% (3) | 0% (0) | 20% (1) | 0% (0) | |
Pilot brand | 43.9% (18) | 39.2% (20) | 15.4% (8) | 12.5% (1) | 0% (0) | 0% (0) | |
Gaia brand | 12.2% (5) | 9.8% (5) | 21.2% (11) | 12.5% (1) | 0% (0) | 0% (0) | |
Confianza brand | 7.3% (3) | 13.7% (7) | 7.7% (4) | 12.5% (1) | 20.0% (1) | 0% (0) | |
Ultimate brand | 2.4% (1) | 3.9% (2) | 0% (0) | 0% (0) | 0% (0) | 0% (0) | |
Sion brand | 0% (0) | 2.0% (1) | 5.8% (3) | 0% (0) | 0% (0) | 0% (0) | |
PT brand | 0% (0) | 2.0% (1) | 5.8% (3) | 0% (0) | 0% (0) | 0% (0) | |
Gladius brand | 0% (0) | 3.6% (2) | 6.9% (4) | 16.7% (2) | 14.3% (1) | 33.3% (1) | |
Progress brand | 0% (0) | 1.8% (1) | 3.4% (2) | 0% (0) | 14.3% (1) | 0% (0) | |
Cross-it brand | 0% (0) | 0% (0) | 1.7% (1) | 0% (0) | 14.3% (1) | 0% (0) | |
Failed procedure | 0% (0) | 7.3% (4) | 10.3% (6) | 33.3% (4) | 28.6% (2) | 33.3% (1) | |
Final guidewire type | 0.50 | ||||||
Polymeric | 70.7% (29) | 64.7% (33) | 53.8% (28) | 75.0% (6) | 40.0% (2) | 50.0% (1) | |
Non-poylmeric | 29.3% (12) | 35.3% (18) | 46.2% (24) | 25.0% (2) | 60.0% (3) | 50.0% (1) | |
Final wire stiffness | 0.20 | ||||||
Soft (< 1 g) | 24.4% (10) | 19.6% (10) | 36.5% (19) | 37.5% (3) | 20.0% (1) | 0% (0) | |
Moderate (1–9 g) | 65.9% (27) | 60.8% (31) | 38.5% (20) | 37.5% (3) | 40.0% (2) | 50.0% (1) | |
Stiff (≥ 9 g) | 9.8% (4) | 19.6% (10) | 25.0% (13) | 25.0% (2) | 40.0% (2) | 50.0% (1) | |
Same initial-final wire | 68.3% (28) | 58.2% (32) | 24.1% (14) | 25.0% (3) | 14.3% (1) | 0% (0) | < 0.001 |
Total | 23.2% (41) | 31.1% (55) | 32.8% (58) | 6.8% (12) | 4.0% (7) | 1.7% (3) |