Native T1 values identify myocardial changes and stratify disease severity in patients with Duchenne muscular dystrophy

Table 1 Sequence parameters for T1 mapping using MOLLI and SASHA techniques

Sequence parameter	MOLLI	MOLLI	SASHA	SASHA
Sequence parameter	HR < 90	HR > 90	HR < 90	HR > 90
FOV (mm)	360 × 270	360 × 270	360 × 270	360 × 270
Matrix	256 × 144	192 × 120	256 × 144	192 × 120
Resolution (mm)	1.4 × 1.9	1.9 × 2.3	1.4 × 1.9	1.9 × 2.3
Slice thickness (mm)	8	8	8	8
TE (msec)	1.12	1.01	1.12	1.01
TR (msec)	2.7	2.44	2.7	2.44
Flip angle (^o)	35	35	70	70
Acquisition window (msec)	167	126	167	126
Parallel imaging acceleration	2	2	2	2
Partial Fourier	7/8	7/8	7/8	7/8

Sequence parameters for T1 mapping using MOLLI and SASHA techniques, which were tailored to the subjects’ baseline heart rate in order to optimize resolution for HR < 90, and HR > 90 for each technique. FOV field of view, TE echo time, TR repetition time

ISSN: 1532-429X