Skip to main content

Table 1 Color overlay assessment during left heart catheterization

From: Dual echo positive contrast bSSFP for real-time visualization of passive devices duringmagnetic resonance guided cardiovascular catheterization

 

Descending aorta

Aortic arch

Aortic valve

Left ventricle

a) Tip location accuracy

94 ± 2%

86 ± 10%

61 ± 12%

78 ± 11%

b) Deceptive overlay artifacts

21 ± 9%

9 ± 4%

12 ± 7%

9 ± 6%

  1. Using 50 continuously acquired frames of the guidewire stationary with the tip in the descending aorta, at the aortic arch, at the aortic valve and in the left ventricle,the percentage of frames that accurately identify the tip location (a) and the percentage of frames with deceptive overlay artifacts that could be mistaken for the wire (b) are assessed. Mean ± standard deviation from 3 animals is presented.