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In vitro 4D Flow MRI evaluation of aortic valve replacements reveals disturbed flow distal to biological but not to mechanical valves.
Oechtering TH, Sieren M, Schubert K, Schaller T, Scharfschwerdt M, Panagiotopoulos A, Fujita B, Auer C, Barkhausen J, Ensminger S, Sievers HH, Frydrychowicz A. Oechtering TH, et al. Among authors: panagiotopoulos a. J Card Surg. 2019 Dec;34(12):1452-1457. doi: 10.1111/jocs.14253. Epub 2019 Oct 22. J Card Surg. 2019. PMID: 31638731
METHODS: Two BV (Perimount MagnaEase [Carpentier-Edwards], Trifecta [Abbott]) and two MV (On-X [CryoLife], prototype trileaflet valve) were scanned in a flexible aortic phantom at 3T using a recommended 4D Flow MR sequence. A triphasic aortic flow profile with blood-mimick …
METHODS: Two BV (Perimount MagnaEase [Carpentier-Edwards], Trifecta [Abbott]) and two MV (On-X [CryoLife], prototype trileaflet valve) were …
Nanostructured ZnO in a Metglas/ZnO/Hemoglobin Modified Electrode to Detect the Oxidation of the Hemoglobin Simultaneously by Cyclic Voltammetry and Magnetoelastic Resonance.
Sagasti A, Bouropoulos N, Kouzoudis D, Panagiotopoulos A, Topoglidis E, Gutiérrez J. Sagasti A, et al. Among authors: panagiotopoulos a. Materials (Basel). 2017 Jul 25;10(8):849. doi: 10.3390/ma10080849. Materials (Basel). 2017. PMID: 28773209 Free PMC article.
Hb oxidation by H2O2 was monitored simultaneously by two different techniques: Cyclic Voltammetry (CV) and Magnetoelastic Resonance (MR). The Metglas/ZnO/Hb system was simultaneously used as a working electrode for the CV scans and as a magnetoelastic sensor excited by ext …
Hb oxidation by H2O2 was monitored simultaneously by two different techniques: Cyclic Voltammetry (CV) and Magnetoelastic Resonance (MR …