Table 3. Procedural outcomes according to echocardiographic guidance technique.
| TEE-guidance (n=133 patients) | TTE-guidance (n=256 patients) | P value | |
|---|---|---|---|
| Procedural success | 125 | 251 | 0.069 |
| Excessively large ASO or instability | 4 | 5 | 0.498 |
| ASO migration | 4 | 0 | 0.013 |
| Residual shunt | 3 | 5 | 0.391 |
| ASO-related cardiac perforation | 0 | 0 | |
| ASO-related valve regurgitation | 0 | 1 | 1.000 |
| ASO-related endocarditis | 0 | 0 | |
| ASO-related thromboembolism | 0 | 0 | |
| ASO-related conduction disorders | 0 | 0 | |
| ASO-related hemolysis | 1 | 0 | 0.341 |
| Stroke | 0 | 0 | |
| Length of follow-up (years) | 13 [9–16] | 6 [1–9] | <0.001 |