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trascatheter aortic valve implantation

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https://www.readbyqxmd.com/read/28078606/arterial-stiffness-in-aortic-stenosis-relationship-with-severity-and-echocardiographic-procedures-response
#1
Giuseppe Bruschi, Alessandro Maloberti, Paola Sormani, Giulia Colombo, Stefano Nava, Paola Vallerio, Francesca Casadei, Jolie Bruno, Antonella Moreo, Bruno Merlanti, Claudio Russo, Fabrizio Oliva, Silvio Klugmann, Cristina Giannattasio
INTRODUCTION: Aortic stenosis (AS) is more than only a degenerative disease, it could be also an atherosclerotic-like process involving the valve instead of the vessels. Little is known about the relation of arterial stiffness and AS. AIM: We sought to determine wether pulse wave velocity (PWV), is related to AS severity and to the procedures response, both as surgical aortic-valve-replacement (AVR) and trascatheter-aortic-valve-implantation (TAVI). METHODS: 30 patients with severe AS were treated (15 AVR, 15 TAVI)...
January 11, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/22254207/valvular-leak-after-transcatheter-aortic-valve-implantation-a-clinician-update-on-epidemiology-pathophysiology-and-clinical-implications
#2
Giuseppe Tarantini, Valeria Gasparetto, Massimo Napodano, Chiara Fraccaro, Gino Gerosa, Giambattista Isabella
During trascatheter aortic valve implantation (TAVI) the native valve is not removed but crushed. Thus, a slight prosthesis insufficiency is not uncommon and has been reported in about 70% of patients for both available types of percutaneous valves. However, the definition of clinically "significant" valve regurgitation is not fully established yet. In most cases, aortic insufficiency is mild and clinical acceptable, however, severe insufficiency can occur. Paravalvular insufficiency is usually prevalent, and it may be the consequence of prosthesis/patient mismatch due to an undersizing of the implanted device or to an incomplete expansion of the prosthesis stent frame, or also to incorrect site of prosthesis implantation...
2011: American Journal of Cardiovascular Disease
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