Table 2

Technical Specifications for LGE-MRI Image Acquisition (DECAAF Protocol)

3-T scanner
 Axial imaging volume with FOV400 × 400 × 110 mm
 Sampling matrix320 × 320 × 44
 Voxel size1.25 × 1.25 × 2.5 mm (reconstructed to 0.625 × 0.625 × 1.25 mm)
 TR/TE3.1/1.4 ms
 FA14°
 Sampling bandwidth740 Hz/pixel
1.5-T scanner
 Axial imaging volume with FOV360 × 360 × 110 mm
 Sampling matrix288 × 288 × 44
 Voxel size1.25 × 1.25 × 2.5 mm (reconstructed to 0.625 × 0.625 × 1.25 mm)
 TR/TE5.2/2.4 ms
 FA20°
 Sampling bandwidth290 Hz/pixel

DECAAF = Delayed-Enhancement MRI Determinant of Successful Radiofrequency Catheter Ablation of Atrial Fibrillation; FA = flip angle; FOV = field-of-view; LGE = late gadolinium enhancement; MRI = magnetic resonance enhancement; TE = echo time; TR = repetition time.