Table 2. Procedural characteristics according to echocardiographic guidance technique.
| TEE-guidance (n=133 patients) | TTE-guidance (n=256 patients) | P value | |
|---|---|---|---|
| PAH (n, %) | 4 (3.0) | 6 (2.3) | 0.368 |
| Balloon-stretched diameter (mm) | 20 [8–40] | 22 [12-40] | 0.003 |
| Balloon-stretched diameter (mm/m2) | 19.8 (8.9–35.4) | 21.8 (8.1–48.2) | 0.002 |
| ASO LA disk (mm) | 32 [22–50] | 34 [26–50] | 0.070 |
| ASO LA disk / LA length ratio (%) | 82.3 (57.1–137.4) | 86.3 (54.4–150.8) | 0.048 |
| ASO migration (n, %) | 4 (3.0) | 0 (0) | 0.013 |
| (n=71 patients) | (n=124 patients) | ||
| Qp: Qs ratio (%) | 2.5 (1.5–4.0) | 2.5 (1.8–4.0) | 0.310 |
| (n=54 patients) | (n=107 patients) | ||
| Fluoro time (min) | 5.1 (2.4–19.8) | 4.7 (2.1–9.3) | 0.450 |
| Irradiation dose (µGy/m2) | 208.7 (85.8–2863.2) | 197.4 (52.6–967.0) | 0.130 |