The indications for percutaneous pulmonary valve implantation (IVPP) have been expanded to include dysfunctional large right ventricular outflow tracts (RVOT). The RVOT filing is commonly done prior to the PPVI to ensure a stable landing zone. The AndraStent XXL, a cobalt-chromium stent with a semi-open cell design, has unique mechanical properties in this indications. Its exclusive design of hybrid cells (open and closed) with connectors that allow its over expansion and adaptability while maintaining the same radial force throughout its structure.
CT and MRI images of the different pediatric stents for great vessels