T. Sakamoto et al., SIMPLIFIED TECHNIQUE FOR HEMI-ARCH REPLACEMENT DURING OPEN DISTAL ANASTOMOSIS - THE CALLA METHOD, The Annals of thoracic surgery, 61(3), 1996, pp. 1021-1022
During open distal anastomosis for type A dissecting aneurysm, the bev
eled end of the graft was rolled back like a bract of the Calla flower
and inserted into the aortic lumen. The inverted graft was anastomose
d using forehand continuous sutures. After completion of the distal an
astomosis, the inverted graft was pulled out and then the proximal ana
stomosis was completed. This ''Calla flower'' deformation facilitates
the hemostatic distal anastomosis in hemi-arch replacement during open
distal anastomosis.