Uncomplicated Stanford type B acute aortic dissection, for which medical treatments are effective in most cases, is associated with a better prognosis than Stanford type A dissection. However, ruptured Stanford type B dissection still is associated with high mortality, because of the risks of open surgery and the complications of the disease. We report successful stent-graft placement in two patients with acute type B dissection with rupture, and discuss the advantages of stent-graft placement to treat ruptured acute type B dissection.
We report a 4-year-old girl who underwent replacement of a bioprosthetic valve in the tricuspid position due to rare bioprosthetic dysfunction. The bioprosthetic valve showed marked tricuspid insufficiency as well as stenosis caused by the adhesion of the preserved native valve leaflets to the undersurface of the implanted bioprosthesis.
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