PMC8083047_01
A. Volume rendering of the computed tomography left antero-lateral aspect; the blue area represents the thrombotic mass with numerous calcifications on the surface; B. Model I, active aneurism (*), bypass-graft (BG) and the compressed left pulmonary artery (LPA) are clearly visible; C. Model I including the thrombotic part of the aneurismal mass (Th) made separately of translucent material; D, E. Model II : region of interest, hollow vessels for simulation and training made of semi-flexible material with 1.2 mm wall thickness to ensure model printability and durability; F. The simulated procedure from the femoral access, it was difficult to pass through the 120 degree angle to reach the implantation site; G. The simulated procedure from the left radial access, a straight route to the aneurism, the device is introduced to the implantation site; H. The treatment procedure : the sheath introduced from left radial site, secondary access from femoral to inject contrast medium. ADO II at the implantation site; I. The treatment procedure : the sheath introduced from left radial site, secondary access from femoral to inject contrast medium. ADO II at the implantation site.
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The active lumen was 2.5 x 3.0 cm with a bottleneck-like inlet 6 x 8 mm (Fig. 1A). I was a whole-heart and vessels "solidified contrast" type (Fig. 1B, C). Its purpose was to depict the anatomy and spatial relations of the vessels and the aneurism. Model II, limited to the region of interest, i.e. the aneurism and the adjacent vessels, was an empty-inside (hollow) training model (Fig. 1D, E). II was used to simulate the procedure. It has been confirmed that the right radial and femoral (Fig. 1F) approaches are suboptimal because of the angles on the way of the catheter and the preferred site was left radial artery (Fig. 1G). The patient treatment was carried out ably and uneventfully, with no complications (Fig. 1H-I).