Table 1 Case information of the cover-disc in 11 dogs without concavity revealed by TEE
Group | Case No | Device model* | LAA orifice covered by cover-disc monitored by TEE | Peri-device flow CDFI Post-LAAC (mm) | Neo-intimal coverage of LAA occluder’s atrial-surface inspected by gross examination | |||
|---|---|---|---|---|---|---|---|---|
< 24 h | 1 m | 2 m | 3 m | |||||
1 month | 8 | 1824 | Partially, gap | 0 | 0 | – | – | Partially, except area at 60° near MA |
9 | 2430 | Partially, gap | 0 | 0 | – | – | Partially, except area at 120° near MA | |
11 | 1824 | Partially, Over the orifice | 5 | 0 | – | – | Partially, anchor part blocked LAA orifice, none detectable hole was found from LA to LAA | |
2 months | 14 | 1824 | Partially, gap | 2 | 0 | 0 | – | Partially, except the area at 0° near MA, none detectable hole was found from LA to LAA |
3 months | 18 | 1824 | Partially, pushed MA | 0 | 0 | 0 | 0 | Fully, MA compression by cover-plate with granulation tissue |
19 | 2127 | Partially, over the orifice | 0 | 0 | 0 | 0 | Partially, anchor part blocked small lobe, none detectable hole was found from LA to LAA | |
21 | 1824 | Partially, gap | 2 | 2 | 2 | 2 | Fully, the left edge of cover-plate inside LAA, an irregular fissure along the cover plate's edge was found and passed with an 18-gauge hypodermic needle from LA to LAA | |
23 | 2127 | Partially,Over the orifice | 3 | 3 | 0 | 0 | Partially, anchor part blocked LAA orifice, none detectable hole was found from LA to LAA | |
24 | 1824 | Partially, large gap | 2 | 2 | 2 | 2 | Fully, left edge of cover-plate inside LAA, an irregular hole was found from LA to LAA and passed with an 18-gauge hypodermic needle | |
6 months | 25 | 2133# | Partially, pushed MA | 0 | 0 | 0 | 0 | Fully, MA compression with granulation tissue, pulmonary venous partial obstruction |
27 | 2430 | Partially, pushed MA | 0 | 0 | 0 | 0 | Fully, MA compression with granulation tissue | |