Degenerated BioBentall graft with failing stentless bioprosthesis and dissection of the aortic conduit treated with a bail-out valve in valve procedure: a case report
EUROPEAN HEART JOURNAL-CASE REPORTS(2022)
摘要
Background The Bentall procedure is commonly performed to treat combined aortic valve and ascending aorta disease requiring surgical correction. Although the technique has been shown to provide favourable long-term outcomes, both the valvular prosthesis and the aortic conduit can go through structural degeneration. Increasing use of the biological prosthesis opened to percutaneous treatment of valvular deterioration according to a valve-in-valve (ViV) technique. On the contrary, damages of the tube graft are normally referred to repeated surgical operation. Case summary In the present case, a patient with a biological Bentall graft was diagnosed with severely deteriorated stentless aortic prosthesis and dissection of the conduit arising from a tube wall tear closely located to the valvular plane. The attempted redo surgery was technically unfeasible because of severe mediastinal adhesions; therefore, a ViV procedure with a balloon expandable transcatheter heart valve was performed in order to contemporarily treat the valve prothesis dysfunction and the aortic tube dissection. No procedure-related complications occurred and subsequent aortic computed tomography angiography showed the sealing of the graft wall false lumen. Discussion Surgical reintervention remains the treatment of choice for degeneration of a previous Bentall surgery, especially when damages of the aortic conduit exist. Nevertheless, when surgery has to be discarded, ViV can be a reliable option as a bail-out strategy to deal with combined aortic valve dysfunction and tube dissection.
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关键词
BioValsava degeneration, Valve-in-valve coronary occlusion, Valve-in-valve paravalvular leak, Case report
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