Methods and materials
E-Vita Open NEO (in straight and branched configurations) was implanted
in a perfused model. The distal stent-graft and side branches were
clamped, and the graft pressurised with blood to 120 mmHg. The volume of
blood (ml) oozing from the graft within 60 seconds was measured.
Non-pressurised grafts were coated with BioGlue up to a thickness 1-,
2-, and 3 mm, and the volume (mm3) of BioGlue required
to do so was recorded.