Table 5

Quantitative echocardiographic assessment of peridevice leakage

Watchman V.2.5Watchman FLXP value
No leak<3 mm3–5 mm>5 mmNo leak<3 mm3–5 mm>5 mm
Measurements at the end of the implantation procedure
 0°38 (100%) (N=38)0 (N=38)0 (N=38)0 (N=38)50 (98.0%) (N=51)1 (2%) (N=51)0 (N=51)0 (N=51)0.34
 45°45 (100%) (N=45)0 (N=45)0 (N=45)0 (N=45)49 (100%) (N=49)0 (N=49)0 (N=49)0 (N=49)NA
 90°36 (97.3%) (N=37)1 (2.7%) (N=37)0 (N=37)0 (N=37)50 (100%) (N=50)0 (N=50)0 (N=50)0 (N=50)0.24
 135°30 (100%) (N=30)0 (N=30)0 (N=30)0 (N=30)47 (100%) (N=47)0 (N=47)0 (N=47)0 (N=47)NA
measurements at 3-month follow-up
 0°38 (84.4%) (N=45)7 (15.6%) (N=45)0 (N=45)0 (N=45)30 (90.9%) (N=33)3 (9.1%) (N=33)0 (N=33)0 (N=33)0.40
 45°61 (92.4%) (N=66)5 (7.6%) (N=66)0 (N=66)0 (N=66)39 (90.7%) (N=43)4 (9.3%) (N=43)0 (N=43)0 (N=43)0.75
 90°55 (85.9%) (N=64)7 (10.9%) (N=64)2 (3.1%) (N=64)0 (N=64)43 (95.6%) (N=45)2 (4.4%) (N=45)0 (N=45)0 (N=45)0.22
 135°47 (81.0%) (N=58)10 (17.2%) (N=58)1 (1.7%) (N=58)0 (N=58)37 (90.2%) N=414 (9.8%) (N=41)0 (N=41)0 (N=41)0.39
  • N, number of views that could be analysed.