IE in octogenarians is a different disease, with as the most frequent micro-organisms and with higher mortality than younger patients. ESC recommendations for surgery are less implemented than in younger patients, yielding dramatic mortality in patients not operated despite a theoretical indication for surgery, while operated patients have an excellent prognosis. These results suggest that surgery is underused in octogenarians.

A4-C LS is independently associated with death in patients with AS and preserved LVEF, however the flow/gradient pattern should also be considered as an important parameter. The management of these patients may use A4-C LS as a new parameter of evaluation of LV function and prognosis.

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Reoperation for degenerated mitral bioprosthesis is considered a high risk procedure. Transcatheter mitral valve in valve implantation has emerged as an off-label alternative for patients contra-indicated to surgery. We report a 46-year-old man, with a 29 mm mitral bioprosthesis since 2002, who was admitted for acute heart failure because of a severe intra-prosthetic regurgitation. His recent medical history revealed a fast growing cavum carcinoma. In view of generally poor prognosis, the heart team decided to perform a transcatheter mitral valve in valve implantation by transapical approach. Live three-dimensional TEE was used during the implantation for sizing, device positioning, and hemodynamic assessment.

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