Procedural complications evaluated by angiography and OCT
| Variable | NCB cohort (n=53) | SCB cohort (n=51) | P value |
| OCT evaluation after stenting | |||
| Proximal edge dissection | 6 (15.00%) | 7 (17.07%) | 0.81 |
| Distal edge dissection | 6 (13.04%) | 4 (8.16%) | 0.52 |
| Thrombus in proximal reference | 0 (0.00%) | 0 (0.00%) | – |
| Thrombus in stented segment | 4 (8.33%) | 13 (25.49%) | 0.14 |
| Thrombus in distal reference | 3 (6.52%) | 0 (0.00%) | – |
| Final OCT evaluation | |||
| Proximal edge dissection | 7 (17.07%) | 7 (16.28%) | 0.94 |
| Distal edge dissection | 7 (15.22%) | 3 (6.00%) | 0.25 |
| Thrombus in proximal reference | 0 (0.00%) | 1 (2.33%) | – |
| Thrombus in stented segment | 3 (6.25%) | 13 (25.49%) | 0.11 |
| Thrombus in distal reference | 2 (4.35%) | 0 (0.00%) | – |
| Final angiographic evaluation | |||
| Residual dissection | 1 (1.85%) | 0 (0.00%) | – |
| Intimal flap | 0 (0.00%) | 0 (0.00%) | – |
| Side branch closure | 0 (0.00%) | 1 (1.79%) | – |
| Thrombus | 0 (0.00%) | 1 (1.79%) | – |
| Spasm | 0 (0.00%) | 0 (0.00%) | – |
| Evidence for distal embolisation* | 0 (0.00%) | 1 (1.79%) | – |
* Evidence for distal Embolization=for example, eg. slow flow or no-reflow on angiography.
NCB, non-compliant balloon; OCT, optical coherence tomography; SCB, semi-compliant balloon.