Skip to main content

Table 1 Bias and r2 for stroke volume (SV) and peak flows obtained with 4D flow sequences compared with 2D-flow.

From: Quantification and visualization of cardiovascular 4D velocity mapping accelerated with parallel imaging or k-t BLAST: head to head comparison and validation at 1.5 T and 3 T

Sequence

r2

SV, bias ± SD

Peak flow ml/s (mean ± SD)

1.5 T SENSE = 2

0.71

-3.6 ± 14.8%

402 ± 86**

3 T SENSE = 2

0.86

-0.7 ± 7.6%

421 ± 75**

1.5 T k-t BLAST = 5

0.65

-15.6 ± 13.7%

353 ± 77***

3 T k-t BLAST = 5

0.64

-4.6 ± 10.0%

389 ± 68***

  1. Peak flow with 2D-flow at 1.5 T: 439 ± 86 ml/s and 3 T: 448 ± 83 ml/s. ** p < 0.01 and *** p < 0.001 compared to peak flow on 2D-flow.