Table 1.
Summary of published data on Watchman device embolization
| Reference | Study Design | Number of device embolization | Device size | Device location | Timing | Retrieval Approach |
|---|---|---|---|---|---|---|
| Holmes et al. [2] | Randomized controlled trial (N = 269) | 2 | 27 mm | LV | Post procedure day 1 | Surgery |
| Holmes et al. [3] | Randomized non-inferiority trial (N = 463) | 3 | 30 mm |
LV Thoracic Aorta AA |
Intraprocedural 45 days 45 days |
Surgery Percutaneous (femoral – snare) Surgery |
| Sick et al. [4] | Multicenter registry (N = 66) | 2 | NA | NA | Intraprocedural | Percutaneous (femoral – snare) |
| Swaans et al. [5] | Single center registry (N = 30) | 1 | NA | AA | 3 months | Surgery |
| Reddy et al. [6] | Multicenter registry (N = 150) | 2 | NA | Descending Aorta | Intraprocedural | Percutaneous (femoral – snare) |
| Matsuo et al. [7] | Single center registry (N = 179) | 2 | NA | AA | Post procedure within 12 h | Percutaneous (femoral – snare) |
| Pérez Matos et al. [8] | Case report | 1 | 27 mm | LV | Post procedure day 1 | Transapical access and pulling catheter |
| Chopra et al. [9] | Case report | 1 | 34 mm | LA | Post procedure day 1 | Transseptal |
| Vivek et al. [10] |
Registry (N = 3822) |
9 | NA | NA | NA |
6 surgery 3 Percutaneous |
| Boersma et al. [11] | Cohort (N = 1025) | 2 | NA | NA | Within 7 days |
1 surgery 1 percutaneous |
| Vivek et al. [12] | RCT (N = 707) | 3 | NA | NA | Early | NA |
| Pillarisseti et al. [13] | Multicenter observational study (N = 478) | 1 | NA | NA | NA | Surgery |
| Betts et al. [14] | Multicenter retrospective registry (N = 371) | 1 | NA | NA | Per procedure | NA |
| Saw et al. [15] | Multicenter experience | 1 | NA | NA | Early | Percutaneous –Snared |
| Fanari et al. [16] | Case report | 1 | 21 mm | AA | 48 days | Percutaneous |
| Gabriels et al. [17] | Case report | 1 | 24 mm | LA | Intraprocedural | Percutaneous – transseptal |
| Fastner et al. [18] | Case report | 1 | NA | LA | Intraprocedural | Percutaneous |
| Hai Deng et al. [19] | Case report | 1 | 30 mm | Aortic arch | 45 days | Percutaneous – snared |
| Stollberger et al. [20] | Case report | 1 | 30 mm | LV | Periprocedural | Surgery |
| Barth et al. [21] | Case Report | 2 |
24 mm 21 mm |
LA Descending Aorta |
Periprocedural |
Percutaneous – transseptal Percutaneous –Snared |
| Bôsche et al. [22] | Single center prospective study | 1 | NA | NA | Within 7 days | Percutaneous |
| Obeid et al. [23] | Case report | 1 | 24 mm | LA | 6 months | Percutaneous |
| Aminian et al. [24] | Systematic Review | 21 | NA |
9 Aorta 9 LV 3 LA |
Until 90 days |
Surgical Percutaneous |
AA abdominal aorta, LA left atrium, LV left ventricle, NA not applicable