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- W2012184251 abstract "The concept of temporary aortic valves has been suggested in the clinical settings of acute aortic regurgitation and transcatheter aortic valve replacement procedure (TAVR). In TAVR, suggestions have been made to pre-treat or remove the diseased aortic valve prior to implantation of the replacement valve. A successful temporary aortic valve must demonstrate the ability to prevent life-threatening haemodynamics of massive aortic regurgitation. A novel temporary aortic valve (TAV) design, comprised of inflatable balloon elements as a check-valve, can readily be deployed and retrieved via a catheter-system. A simple flow model is set up to test the TAV's performance in severe aortic regurgitation. With induced aortic regurgitation, placement of the TAV is found to increase the distal aortic diastolic pressure, to reduce the widened pulse pressure, to protect proximal aorta–left ventricle from diastolic pressure elevation and to reduce the aortic regurgitant volume. In conclusion, continued development of the TAV system can lead to a successful temporary aortic valve to be used in various appropriate clinical settings." @default.
- W2012184251 created "2016-06-24" @default.
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- W2012184251 date "2011-01-13" @default.
- W2012184251 modified "2023-09-25" @default.
- W2012184251 title "Qualitative haemodynamic validation of a percutaneous temporary aortic valve: a proof of concept study" @default.
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- W2012184251 doi "https://doi.org/10.3109/03091902.2010.543752" @default.
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