Figure/Video legend:
Figure 1. A) Aortic root vent site secured with a Cor-Knot device. B)
Chest CT shows the clip on aortic vent site.
Figure 2. Chest CT shows the two clips on aortic cannulation site with
615 Hounsfield unit (HU) indicating high density material (Metal).
Video 1. Cor-Knot deployment at the aortic vent site.