Table 2 Procedure details
From: Occluding morphologically complicated left atrial appendage using the small-umbrella LAmbre device
LAA types | |
Chicken wing | 7 (23.3) |
Windsock | 2 (6.7) |
Cactus | 1 (3.3) |
Cauliflower | 20 (66.7) |
LAA lobes | |
1 | 8 (26.7) |
2 | 20 (66.7) |
≥3 | 2 (6.7) |
Umbrella position in the LAA | |
Branch | 9 (30) |
Common trunk of branches | 13 (43.3) |
Main lobe (one-lobe LAA) | 8 (26.7) |
Parameters of the LAA | |
Diameter of LAA orifice, mm | 27.4 ± 3.95 |
Diameter of LAA landing zone, mm | 19.0 ± 4.39 |
Orifice/Landing zone ratio | 1.6 ± 0.31 |
Difference between orifice and landing zone, mm | 9.2 ± 4.19 |
Parameters of the LAmbre device | |
Diameter of outer cover, mm | 34.4 ± 2.75 |
Diameter of inner umbrella, mm | 22.0 ± 3.42 |
Cover/Umbrella ratio | 1.6 ± 0.14 |
Difference between cover and umbrella, mm | 12.5 ± 0.86 |
Device selection and deployment | |
Success at first device selected | 21 (70.0) |
Success at second device selected | 6 (20.0) |
Success at third device selected | 3 (10.0) |
Success at first deployment | 14 (46.7) |
Number of retrieve and re-deployment | 1.4 ± 1.6 |
TEE guidance | 18 (60.0) |
ICE guidance | 12 (40.0) |
Peri-device leak | |
No residual flow | 26 (86.7) |
Residual flow < 1 mm | 4 (13.3) |
Residual flow 1–3 mm | 0 |
Residual flow > 3 mm | 0 |