Table V.
Target vessel visualization assessment study
| Mode (n) | Variable | Mean | Max. | Min. | SD | P-value |
|---|---|---|---|---|---|---|
| QCA | Pre-ELCA PCI stenosis (%) | 77.98 | 96.00 | 63.00 | 7.69 | < 0.01 |
| Post-ELCA PCI stenosis (%) | 14.08 | 19.00 | 6.00 | 3.47 | ||
| Ref. diameter [mm] pre-ELCA PCI | 3.29 | 4.00 | 2.60 | 0.40 | 0.911 | |
| Ref. diameter [mm] post-ELCA PCI | 3.30 | 4.10 | 2.60 | 0.43 | ||
| Minimal stent diameter [mm] pre-ELCA PCI | 1.42 | 2.60 | 0.60 | 0.42 | < 0.01 | |
| Minimal stent diameter [mm] post-ELCA PCI | 2.92 | 3.90 | 2.10 | 0.47 | ||
| IVUS/OCT* | Pre-ELCA PCI CSA [mm2] | 2.9 | 4.3 | 1.5 | 0.72 | < 0.01 |
| IVUS/OCT** | Post-ELCA PCI CSA [mm2] | 7.30 | 8.9 | 6.2 | 0.79 | |
| IVUS/OCT* | Stent expansion at minimum stent area (MSA/reference lumen area) pre-ELCA PCI (%) | 32.1 | 19.1 | 46.3 | 14.2 | < 0.01 |
| IVUS/OCT** | Stent expansion at minimum stent area (MSA/reference lumen area) post-ELCA PCI (%) | 88.4 | 81.2 | 99.1 | 10.9 | < 0.01 |
*
IVUS n = 41, OCT n = 4;
**
IVUS n = 48, OCT n = 4. IVUS – intravascular ultrasound, OCT – optical coherence tomography (only for BVS cases; n = 4), CSA – cross-sectional area, MSA – minimal stent area.