From: Potential value of guard-wire technology in the interventional treatment for ostial coronary lesions
Variables | A group (n = 71) | B group (n = 70) | P value |
---|---|---|---|
Maximum stenosis (%) | 83.6 ± 5.1 | 83.0 ± 5.4 | 0.41 |
Target lesion length (mm) | 24.0 ± 4.1 | 24.7 ± 3.9 | 0.65 |
Target vessel diameter (mm) | 3.3 ± 0.32 | 3.2 ± 0.38 | 0.14 |
Number of patients with ostial lesions (n, %) | 32 (45.1) | 31 (44.3) | 0.93 |
Number of patients with distant lesions (n, %) | 39 (54.9) | 39 (55.7) | 0.93 |
Number of cases combined with other guide wire technology (n, %) | 9 (12.7) | 11 (15.7) | 0.61 |
X-ray exposure time (min) | 6.0 ± 0.84 | 9.0 ± 1.2 | 0.005 |
The contrast agent (ml) | 85.8 ± 6.2 | 97.1 ± 10.1 | 0.000 |
PCI total time (min) | 11.2 ± 1.1 | 16.9 ± 1.8 | 0.000 |
Stent positioning time (min) | 1.1 ± 0.2 | 2.5 ± 0.1 | 0.02 |
Number of pressure marshals (n, %) | 4 (5.6) | 13 (18.6) | 0.018 |
Arrhythmia (n, %) | 1 (1.4) | 8 (11.4) | 0.015 |
Complications (n, %) | 2 (2.8) | 9 (12.9) | 0.026 |