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The present work concerns the sonographic model of the left ventricle (LV) examined in the Computed Tomography (CT) environment and compare radial strain calculations obtained by two different techniques: the speckle tracking ultrasonography and the Multislices Computed Tomography (MSCT). The Left Ventricular (LF) phantom was fabricate from 10% solution of the poly(vinyl alcohol) (PVA). Our model of the LV was driven by the computer-controlled hydraulic piston Super-Pump (Vivitro Inc., Canada) with adjustable fluid volumes. The stroke volume was set at of 24ml. The fluid pressure was changed within range of 0-60 mmHg, and the pulse rate was of 60 cycles/per minute. The relationships between computer controlled left ventricular wall deformations and its visualizations of the echocardiographic and CT imaging, both in the normal and pathological conditions were examined. The difference of assessment the Radial Strain between two methods was not exceeding 1.1%.
Słowa kluczowe
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Tom
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211--218
Opis fizyczny
Bibliogr. 10 poz., rys.
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autor
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Adolfa Pawińskiego 5b, 02-106 Warsaw, Poland
autor
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Adolfa Pawińskiego 5b, 02-106 Warsaw, Poland
autor
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Adolfa Pawińskiego 5b, 02-106 Warsaw, Poland
autor
- Institute of Fundamental Technological Research, Polish Academy of Sciences, Adolfa Pawińskiego 5b, 02-106 Warsaw, Poland
autor
- Department of Cardiology & Internal Medicine, Military Medical Institute, Szaserów 128, 04-141 Warsaw, Poland
autor
- Radiology Medicine Department, Military Medical Institute, Szaserów 128, 04-141 Warsaw, Poland
autor
- Radiology Medicine Department, Military Medical Institute, Szaserów 128, 04-141 Warsaw, Poland
autor
- Radiology Medicine Department, Military Medical Institute, Szaserów 128, 04-141 Warsaw, Poland
Bibliografia
- [1] A. Nowicki, R. Olszewski, J. Etienne, P. Karłowicz, J. Adamus, The Assessment of Wall Velocity Gradient Imaging using Test-Phantom, Ultrasound in Medicine and Biology, Vol. 22, 9, pp. 1255-1260, 1996.
- [2] A. Lange, P. Typha A. Nowicki, R. Olszewski, T. Anderson, J. Adamus, G. Sutherland, A. Keith, Three-dimensional echocardiographic evolution of left ventricular volume: Comparison of Doppler myocardial imaging and standard gray-scale imaging with cineventrculography – an in vitro and in vivo study, American Heart Journal, Vol. 135, 6, pp. 970-979, 1998.
- [3] L. K. Ryan, G. R. Lockwood, T. S. Bloomfield, F. S. Foster, Speckle tracking in High frequency ultrasound images with application to intravascular imaging, Proceedings IEEE Ultrasonics Symposium, pp. 889-892, 1993.
- [4] C. L. De Korte, I. A. Cepsedes, F. W. Van der Steen, C. T. Lancee, Intravascular elasticity imaging using ultrasound: Feasibility studies in phantoms, Ultrasound Med. & Biol., Vol. 23, pp. 735-746, 1997.
- [5] T. J. Hall, M. Insana, M. F. Bilgen, T. A. Krouskop, Phantom materials for elastography, IEEE Trans. Ultrason. Ferroelectr Freq. Contr., Vol. 44, pp. 1355-1364, 1997.
- [6] E. Brusseau, J. Fromageau, G. Finet, P. Delachartre, P. Vray, Axial strain of intravascular date: results on polivinyl alcochol cryogel phantoms and carotid artery, Ultrasound Med. & Biol., Vol. 27, pp. 553-1642, 2001.
- [7] F. Tournoux, C. Chan, M. D. Handshumacher, B. Salgo and S. Manzke, S. Settlemier, J. L. Guerrero, C. Cury, A. E. Weyman, M. H. Picard, Estimation of radial strain and rotation using a new algoritm based on speckle tracking, J. Am. Soc. Echocardiogr., Vol. 21, pp. 1168-1179, 2008.
- [8] R. Olszewski, Z. Trawiński, J. Wójcik, A. Nowicki, Mathematical and Ultrasonographic Model of the Left Ventricle: in Vitro Studies, Archives of Acoustics, Vol. 37, 4, pp. 583-595, 2012.
- [9] S.J. Buss, F. Schulz, D. Mereles, W. Hosch, C. Galuschky, G. Schummers, D. Stapf, Hofmann N, Giannitsis E, Hardt SE, Kauczor HU, Katus HA, Korosoglou G. Quantitative analysis of left ventricular strain using cardiac computed tomography, Eur J Radiol., [Epub ahead of print], Dec 7, 2013.
- [10] Z. Trawiński, J. Wójcik, A. Nowicki, R. Olszewski, Dynamic Ultrasonic Model of Left Ventricle, Hydroacoustics, Vol. 16, pp. 231-236, 2013.
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Bibliografia
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