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Dual-source RF transmission in cardiac SSFP imaging at 3 T: systematic spatial evaluation of image quality improvement compared to conventional RF transmission.

Abstract：

:The purpose of this investigation was to systematically evaluate the spatial distribution of image quality improvement with dual-source radiofrequency (RF) transmission in cardiac steady-state free precession sequences at 3.0 T. Imaging with and without dual-source RF transmission was performed in 30 patients. Contrast-to-noise ratio for the left ventricular myocardium was significantly higher using dual-source RF transmission, but improvement was not uniformly distributed. The posterior myocardium showed significantly less contrast-to-noise ratio gain than all other cardiac regions. Signal-to-noise ratio increase was higher in the right than in the left ventricle. Subjective image quality was significantly enhanced by parallel RF transmission.

journal_name

Clin Imaging

journal_title

Clinical imaging

authors

Rasper M,Gramer BM,Settles M,Laugwitz KL,Ibrahim T,Rummeny EJ,Huber A

doi

10.1016/j.clinimag.2014.11.007

subject

Has Abstract

pub_date

2015-03-01 00:00:00

pages

231-6

issue

2

eissn

0899-7071

issn

1873-4499

pii

S0899-7071(14)00275-7

journal_volume

39

pub_type

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