Table 5 Distribution of first-choice and final crossing guidewires characteristics according to a procedural technique
From: Rational guidewire use in the coronary chronic total occlusion interventions
Variables | Single wire | Parallel wire | Step up Step down | Dissection re-entry | Reversed cart | p |
|---|---|---|---|---|---|---|
Guidewire number | 3.63 ± 2.23 | 4.27 ± 1.19 | 5.36 ± 2.26 | 5.80 ± 2.56 | 7.66 ± 2.08 | < 0.001 |
1–3 | 65.4% (70) | 36.4% (4) | 19.5% (8) | 13.3% (2) | 0% (0) | |
4–6 | 24.3% (26) | 63.6% (7) | 53.7% (22) | 60.0% (9) | 33.3% (1) | |
7–10 | 7.5% (8) | 0% (0) | 24.4% (10) | 20.0% (3) | 33.3% (1) | |
> 10 | 2.8% (3) | 0% (0) | 2.4% (1) | 6.7% (1) | 33.3% (1) | |
Initial guide wire | 0.01 | |||||
Fielder brand | 25.2% (27) | 45.5% (5) | 24.4% (10) | 26.7% (4) | 33.3% (1) | |
Miracle brand | 5.6% (6) | 9.1% (1) | 7.3% (3) | 6.7% (1) | 0% (0) | |
Pilot brand | 41.1% (44) | 27.3% (3) | 31.7% (13) | 26.7% (4) | 0% (0) | |
Gaia brand | 0.9% (1) | 0% (0) | 2.4% (1) | 13.3.% (2) | 0% (0) | |
Confianza brand | 5.6% (6) | 9.1% (1) | 22.0% (9) | 26.7% (4) | 0% (0) | |
Ultimate brand | 7.5% (8) | 9.1% (1) | 7.3% (3) | 0% (0) | 0% (0) | |
Sion brand | 8.4% (9) | 0% (0) | 0% (0) | 0% (0) | 33.3% (1) | |
PT brand | 2.8% (3) | 0% (0) | 0% (0) | 0% (0) | 33.3% (1) | |
Gladius brand | 1.9% (2) | 0% (0) | 4.9% (2) | 0% (0) | 0% (0) | |
Progress brand | 0.9% (1) | 0% (0) | 0% (0) | 0% (0) | 0% (0) | |
Initial guidewire type | 0.57 | |||||
Polymeric | 71.0% (76) | 72.7% (8) | 61.0% (25) | 53.3% (8) | 66.7% (2) | |
Non-poylmeric | 29.0% (731) | 27.3% (3) | 39.0% (16) | 46.7% (7) | 33.3% (1) | |
Initial wire stiffness | 0.01 | |||||
Soft (< 1 g) | 35.5% (38) | 36.4% (4) | 19.5% (8) | 26.7% (4) | 100% (3) | |
Moderate (1–9 g) | 57.9% (62) | 54.5% (6) | 58.5% (24) | 40.0% (6) | 0% (0) | |
Stiff (≥ 9 g) | 6.5% (7) | 9.1% (1) | 22.0% (9) | 33.3% (5) | 0% (0) | |
Final guidewire | < 0.001 | |||||
Fielder brand | 29.3% (27) | 0% (0) | 12.5% (5) | 57.1% (8) | 0% (0) | |
Miracle brand | 6.5% (6) | 9.1% (1) | 5.0% (2) | 0% (0) | 0% (0) | |
Pilot brand | 40.2% (37) | 9.1% (1) | 15.0% (6) | 21.4% (3) | 0% (0) | |
Gaia brand | 10.9% (10) | 27.3% (3) | 22.5% (9) | 0% (0) | 33.3% (1) | |
Confianza brand | 7.6% (7) | 18.2% (2) | 17.5% (7) | 0% (0) | 0% (0) | |
Ultimate brand | 2.2% (2) | 0% (0) | 2.5% (1) | 0% (0) | 0% (0) | |
Sion brand | 1.1% (1) | 9.1% (1) | 5.0% (2) | 0% (0) | 0% (0) | |
PT brand | 0% (0) | 0% (0) | 0% (0) | 21.4% (3) | 0% (0) | |
Gladius brand | 1.9% (2) | 9.1% (1) | 12.2% (5) | 0% (0) | 66.7% (2) | |
Progress brand | 0% (0) | 18.2% (2) | 4.9% (2) | 0% (0) | 0% (0) | |
Cross-it brand | 0% (0) | 0% (0) | 2.4% (1) | 0% (0) | 0% (0) | |
Failed procedure | 14.0% (15) | 0% (0) | 2.4% (0) | 6.7% (1) | 0% (0) | |
Final guidewire type | < 0.001 | |||||
Polymeric | 71.7% (66) | 18.2% (2) | 40.0% (16) | 100% (14) | 66.7% (2) | |
on-poylmeric | 28.3% (2) | 81.8% (9) | 60.0% (24) | 0% (0) | 33.3% (1) | |
Final wire stiffness | 0.001 | |||||
Soft (< 1 g) | 29.3% (27) | 9.1% (1) | 17.5% (7) | 64.3% (9) | 0% (0) | |
Moderate (1–9 g) | 57.6% (53) | 36.4% (4) | 50.0% (20) | 35.7% (5) | 66.7% (2) | |
Stiff (≥ 9 g) | 13.0% (12) | 54.5% (6) | 32.5% (13) | 0% (0) | 33.3% (1) | |
Same initial-final wire | 64.5% (69) | 9.1% (1) | 9.8% (4) | 26.7% (4) | 0% (0) | < 0.001 |
Total | 60.5% (107) | 6.2% (11) | 23.2% (41) | 8.5% (15) | 1.7% (3) |