Table 2.
Procedural details
| Procedural detail | N = 272 |
|---|---|
| Technical success | 269 (98.9) |
| Implanted WATCHMAN size, mm | |
| 21 | 28 (10.3) |
| 24 | 48 (17.6) |
| 27 | 80 (29.4) |
| 30 | 63 (23.2) |
| 33 | 50 (18.4) |
| Failed implantation | 3 (1.1) |
| Total procedural time, min | 89.12 (± 31.86) |
| Fluoroscopy time, min | 13.66 (± 8.39) |
| Total contrast, mL | 84.66 (± 52.30) |
| Length of hospital stay, d | 1.64 (± 3.32) |
| Number of devices attempted | 1.30 (± 0.60) |
| Baseline TEE performed | 259 (95.2) |
| LAA dimension by TEE, mm | 22.35 (± 3.96) |
| LAA depth by TEE, mm | 30.37 (± 6.43) |
| Baseline CTA performed | 160 (58.8) |
| LAA dimension by CCTA, mm | 25.09 (± 4.65) |
| LAA depth by CTA, mm | 30.47 (± 6.80) |
Values are n (%), or mean (± standard deviation). WATCHMAN (Boston Scientific, Marlborough, MA).
CCTA, cardiac CTA; CTA, computed tomography angiography; LAA, left atrial appendage; SD, standardized difference; TEE, transesophageal echocardiography.