Contrast-enhanced whole-heart coronary MRI with bolus infusion of gadobenate dimeglumine at 1.5 T

摘要: We sought to investigate the T(1) kinetics of blood and myocardium after three infusion schemes gadobenate dimeglumine (Gd-BOPTA) subsequently compared contrast-enhanced whole-heart coronary MRI a bolus Gd-BOPTA with nonenhanced at 1.5 T. Blood was measured in seven healthy adults, each underwent (bolus: 0.2 mmol/kg 2 mL/sec, hybrid: 0.1 mL/sec followed by slow: 0.3 mL/sec). Fourteen additional subjects an inversion-recovery steady-state free precession sequence infusion. Images were T(2) -prepared precision signal-to-noise ratio, contrast-to-noise depicted vessel length, sharpness, subjective image quality. Bolus slow resulted similar during MRI, whereas hybrid method yielded higher values. A significantly improved artery quality, when all segments collectively but not segment segment. In conclusion, T can benefit from Gd-BOPTA.