scholarly journals The most appropriate time delay after microbubble contrast agent intravenous injection to maximize liver metastasis conspicuity on contrast-enhanced ultrasound

2018 ◽  
Vol 26 (3) ◽  
pp. 128
Author(s):  
Emilio Quaia ◽  
AntonioGiulio Gennari
Keyword(s):  
Time Delay ◽  
Liver Metastasis ◽  
Contrast Agent ◽  
Intravenous Injection ◽  
Contrast Enhanced Ultrasound ◽  
Microbubble Contrast Agent ◽  
Contrast Enhanced

scholarly journals Comparison of transducers with different frequencies in breast contrast-enhanced ultrasound (CEUS) using SonoVue as contrast agent

2016 ◽  
Vol 89 (1063) ◽  
pp. 20151050 ◽  
Author(s):  
Yong-Mei Wang ◽  
Wei Fan ◽  
Kai Zhang ◽  
Li Zhang ◽  
Zhen Tan ◽  
...  
Keyword(s):  
Contrast Agent ◽  
Contrast Enhanced Ultrasound ◽  
Contrast Enhanced

Correlation between dose rate and T1 in blood at gd-enhanced MR angiography

1998 ◽  
Vol 39 (5) ◽  
pp. 579-582 ◽  
Author(s):  
L. O. M. Johansson ◽  
H. K. Ahlström
Keyword(s):  
Time Delay ◽  
Contrast Agent ◽  
Dose Rate ◽  
Abdominal Aorta ◽  
Signal Intensity ◽  
Mr Angiography ◽  
Pulse Sequence ◽  
Test Dose ◽  
Contrast Enhanced ◽  
First Pass

Purpose: to determine the correlation between dose rate and T1 in blood at Gd-enhanced MR angiography (MRA) Material and Methods: A test dose of contrast agent was used to calculate the time delay between injection and arrival in the abdominal aorta. the dose rate was expressed as ml · kg b.w.−1 · s−1. the correlation between dose rate and T1 was determined by varying the dose rate while keeping the scanning and infusion times constant. the signal intensity in the abdominal aorta was measured during the first pass of Gd and compared with markers of known T1 values Results: A correlation between dose rate and T1 in blood was obtained Conclusion: A Gd dose rate of 0.01 ml · kg b.w.−1 · s−1 gives a T1 in blood of 100 ms. This can be used to calculate the optimal pulse sequence for contrast-enhanced MRA

Sign in / Sign up

Export Citation Format

Share Document