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  • Title: Loss of Prosthetic Aortic Valve during TAVI Procedure: Endovascular Treatment in Emergent Setting.
    Author: Carli AG, Perini P, Vignali L, Bianchini Massoni C, Fanelli M, Freyrie A.
    Journal: Ann Vasc Surg; 2021 May; 73():585-588. PubMed ID: 33556523.
    Abstract:
    BACKGROUND: Transcatheter aortic valve implantation (TAVI) has proven over the years to be a viable alternative to open surgery. A rare but severe complication is represented by the valve migration. We report a case of TAVI complication due to the loss of the prosthetic valve in the abdominal aorta treated by endovascular approach. METHODS: An 88-year-old patient with severe aortic valve stenosis, symptomatic for dyspnea was proposed for a TAVI because considered at high risk for surgery. During the TAVI procedure, the undeployed device (Edwards SAPIEN 3 - Edwards Lifesciences, Irvine, CA, USA) detached from its delivery system. Several attempts to withdraw the valve fluctuating in the aorta into its supporting system were performed without success. An emergency endovascular treatment was promptly planned to obtain the exclusion from the flow of the embolized valve. Under local anaesthesia, through the percutaneous femoral access already present, a tube aortic endograft (EndurantTM II, Medtronic, Santa Rosa, CA; ETTF2828C70EE) was successfully introduced and deployed in the infrarenal aorta without any related complications. The embolized valve was completely covered by the endgraft and thus fixed to the aortic wall. The first postoperative computer tomography angiography (CTA) confirmed the correct placement of the endograft, the exclusion of the valve from the flow and the patency of the great vessels. No perioperative or postoperative complications were recorded. The patient was discharged on the ninth postoperative day with the indication to a new attempt of TAVI, through transapical access. CONCLUSIONS: In case of intraprocedural loss of an undeplyed valve during TAVI, the valve fixing through endograft deployment in infrarenal aorta is a possible solution.
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