发明名称 |
Motion-attenuated contrast-enhanced cardiac magnetic resonance imaging system and method |
摘要 |
A system and method for providing a dark-blood technique for contrast-enhanced cardiac magnetic resonance, improving visualization of subendocardial infarcts or perfusion abnormalities that may otherwise be difficult to distinguish from the bright blood pool. In one technique the dark-blood preparation is performed using a driven-equilibrium fourier transform (DEFT) preparation with motion sensitizing gradients which attenuate the signal in the ventricular cavities related to incoherent phase losses resulting from non-steady flow within the heart. This dark-blood preparation preserves the underlying contrast characteristics of the pulse sequence causing a myocardial infarction to be bright while rendering the blood pool dark. When applied to perfusion imaging, this dark-blood preparation will help eliminate artifacts resulting from the juxtaposition of a bright ventricular cavity and relatively dark myocardium. |
申请公布号 |
US8700127(B2) |
申请公布日期 |
2014.04.15 |
申请号 |
US20100696433 |
申请日期 |
2010.01.29 |
申请人 |
SALERNO MICHAEL;EPSTEIN FREDERICK H.;KRAMER CHRISTOPHER M.;UNIVERSITY OF VIRGINIA PATENT FOUNDATION |
发明人 |
SALERNO MICHAEL;EPSTEIN FREDERICK H.;KRAMER CHRISTOPHER M. |
分类号 |
A61B5/055 |
主分类号 |
A61B5/055 |
代理机构 |
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地址 |
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