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Table 2 Image parameters

From: Feasibility of contrast-enhanced coronary artery magnetic resonance angiography using compressed sensing

 

CS CMRA

Conventional CMRA

Sequence type

spoiled gradient echo

spoiled gradient echo

TR/TE (ms)

3.2/1.4

3.2/1.4

FOV (mm)

320 × 258

320 × 258

Matrix

272 × 220

272 × 220

Actual voxel size (mm)

1.2 × 1.2 × 1.8

1.2 × 1.2 × 1.8

Reconstruction voxel size (mm)

1.2 × 1.2 × 0.9

0.6 × 0.6 × 0.9

Acquisition window and Number of profiles acquired per heartbeat

adapted to the individual heart rate of the subject

same as possible for CS imaging

Bandwidth (Hz/pixel)

593

613

Acceleration factor

7.6

2 (GRAPPA)

Acceptance window

± 3.0 mm

± 3.0 mm

  1. CS compressed sensing; FOV field of view; GRAPPA generalized autocalibrating partially parallel acquisitions; TE echo time; TR repetition time