Immediate benefit of balloon aortic valvuloplasty in severe aortic stenosis: hemodynamic echographic assessment in Intensive Coronary Care Unit - Calcaianu, Mihaela; Crimizade, Ulun; Messas, Nathan; Bresson, Didier; Wiedemann, Jean-Yves; Roth, Olivier; Kindo, Michel; Morel, Olivier; Levy, Jacques; Jacquemin, Laurent; Ohlmann, Patrick (Vascular Diseases and Therapeutics ; volume 4, issue 1 ; ISSN 2399-7400, 2019)