Table 3.
Intravascular imaging findings.
| Characteristics | Angiographic guidance | Imaging guidance (IVUS+OCT) | p |
|---|---|---|---|
| (n = 77) | (n = 188) | ||
| Before stenting | |||
| Proximal reference | |||
| Minimum vessel diameter (mm) | NA | 3.960 ± 0.69 | NA |
| Maximum vessel diameter (mm) | NA | 4.350 ± 0.74 | NA |
| Distal reference | |||
| Minimum vessel diameter (mm) | NA | 3.170 ± 0.66 | NA |
| Maximum vessel diameter (mm) | NA | 3.520 ± 0.71 | NA |
| Mean reference lumen CSA (mm2) | NA | 6.422 ± 0.21 | NA |
| Lesion minimum lumen diameter (mm) | NA | 1.660 ± 0.43 | NA |
| After stenting | |||
| Minimum stent CSA (mm2) | NA | 6.822 ± 0.72 | NA |
| Malapposition (%) | NA | 23 (16.8%) | NA |
| Stent edge dissection (%) | NA | 10 (7.2%) | NA |
| Tissue protrusion (%) | NA | 11 (8.0%) | NA |
Data presented as frequency and percentage, mean ± standard deviation.
IVUS, intravascular ultrasound; OCT, optical coherence tomography; CSA, cross-sectional area.