Cine magnetic resonance imaging and color Doppler flow mapping displays of flow velocity, spatial acceleration, and jet formation: A comparative in vitro study

Iain A. Simpson, Benedito C. Maciel, Valdir Moises, Robin Shandas, William Elias, Lilliam Valdes-Cruz, John R. Hesselink, Kyung J. Chung, David Sahn

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

To study the effects of flow acceleration and high-velocity jets on the display characteristics of cine magnetic resonance imaging compared with color Doppler flow mapping, a custom-designed in vitro flow model was developed. This model consisted of a funnel segment tapering to an orifice (0.78 cm2) that leads into a confined receiving chamber with a second, discrete orifice (0.78 cm2) at its distal end. Cine magnetic resonance images obtained at varying flow rates (1.5 to 27.2 L/min) demonstrated loss of signal intensity throughout the tapering zone of spatial acceleration and a small zone of more marked signal loss immediately proximal to the second orifice (always

Original languageEnglish (US)
Pages (from-to)1165-1173
Number of pages9
JournalAmerican Heart Journal
Volume126
Issue number5
DOIs
StatePublished - 1993

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Cine Magnetic Resonance Imaging
Color
Magnetic Resonance Spectroscopy
In Vitro Techniques

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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Cine magnetic resonance imaging and color Doppler flow mapping displays of flow velocity, spatial acceleration, and jet formation : A comparative in vitro study. / Simpson, Iain A.; Maciel, Benedito C.; Moises, Valdir; Shandas, Robin; Elias, William; Valdes-Cruz, Lilliam; Hesselink, John R.; Chung, Kyung J.; Sahn, David.

In: American Heart Journal, Vol. 126, No. 5, 1993, p. 1165-1173.

Research output: Contribution to journalArticle

Simpson, IA, Maciel, BC, Moises, V, Shandas, R, Elias, W, Valdes-Cruz, L, Hesselink, JR, Chung, KJ & Sahn, D 1993, 'Cine magnetic resonance imaging and color Doppler flow mapping displays of flow velocity, spatial acceleration, and jet formation: A comparative in vitro study', American Heart Journal, vol. 126, no. 5, pp. 1165-1173. https://doi.org/10.1016/0002-8703(93)90670-5
Simpson, Iain A. ; Maciel, Benedito C. ; Moises, Valdir ; Shandas, Robin ; Elias, William ; Valdes-Cruz, Lilliam ; Hesselink, John R. ; Chung, Kyung J. ; Sahn, David. / Cine magnetic resonance imaging and color Doppler flow mapping displays of flow velocity, spatial acceleration, and jet formation : A comparative in vitro study. In: American Heart Journal. 1993 ; Vol. 126, No. 5. pp. 1165-1173.
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