From: Real-world experience comparing two common left atrial appendage closure devices
Watchman™ (n = 154) | Amplatzer™ Amulet™ (n = 35) | p value* | OR (95% CI) | |
Successful implantation, n (%) | 148 (96.1) | 34 (97.1) | 1.00 | 1.38 (0.16–11.84) |
Intraprocedural device dislodgement, n (%) | 2 (1.3) | 0 (0.0) | 1.00 | 0.86 (0.04–18.31) |
Watchman™ (successful n = 148) | Amplatzer™ Amulet™ (successful n = 34) | p value* | OR (95% CI) | |
Peri-device leak < 5 mm, n (%) | 2 (1.4) | 0 (0.0) | 1.00 | 0.85 (0.03–18.11) |
Access site bleeding, each n (%) | 12 (8.1) | 6 (17.6) | 0.11 | 0.41 (0.12–1.36) |
Minor bleeding | 6 (4.1) | 2 (5.9) | 0.64 | 1.48 (0.28–7.68) |
Major bleeding | 2 (1.4) | 3 (8.9) | 0.046 | 7.07 (1.13–44.09) |
Pseudoaneurysm | 4 (2.7) | 1 (3.0) | 1.00 | 1.09 (0.11–10.01) |
Pericardial effusion | 12 (8.1) | 2 (5.9) | 1.00 | 1.41 (0.27–9.64) |
Without hemodynamic impact | 7 (4.7) | 2 (5.9) | 0.68 | 0.79 (0.14–5.83) |
With hemodynamic impact | 3 (2.0) | 0 (0.0) | 1.00 | – |
Tamponade | 2 (1.4) | 0 (0.0) | 1.00 | – |
Intra-hospital stroke, n (%) | 0 (0.0) | 0 (0.0) | 1.00 | – |
Postprocedural device dislodgement, n (%) | 1 (0.7) | 0 (0.0) | 1.00 | 1.43 (0.06–35.77) |
Intra-hospital death, n (%) | 1 (0.7) | 1 (2.9) | 0.34 | 4.46 (0.27–73.12) |
Postprocedural antithrombotic therapy in the first 6 months, each n (%) | ||||
DAPT | 140 (94.6) | 34 (100.0) | 0.36 | – |
OAC plus clopidogrel | 2 (1.4) | 0 (0.0) | 1.00 | – |
45 days LMWH plus one antiplatelet agent, DAPT afterwards | 6 (4.1) | 0 (0.0) | 0.60 | – |