Multi-site comparison of parametric T1 and T2 mapping: healthy travelling volunteers in the Berlin research network for cardiovascular magnetic resonance (BER-CMR)

Table 1 Scanner and sequence parameters for T1 and T2 mapping acquisitions

Parameter	Site I	Site II	Site III
Field strength (T)	3	3	3
Vendor	Siemens	Siemens	Siemens
Model	Skyra^FIT	Prisma^FIT	Prisma^FIT
RF-coil	18-channel	32-channel	18-channel
Bore size (cm)	70	60	60
Bore size (cm)	70	60	60
T1 scan parameters
Sequence	5-3-3 MOLLI	5-3-3 MOLLI	5-3-3 MOLLI
Slice thickness (mm)	6.0	6.0	6.0
Voxel size (mm × mm)	1.4 × 1.4	1.4 × 1.4	1.4 × 1.4
Field of view (mm)	360	360	360
Echo time (ms)	1.12	1.12	1.12
Repetition time (ms)	3.9	3.9	3.9
Flip angle (o)	35	35	35
Bandwith (Hz/Px)	1085	1085	1085
Acceleration factor	2	2	2
T2 scan parameters
Sequence	FLASH	FLASH	FLASH
Slice thickness (mm)	6.0	6.0	6.0
Voxel size (mm × mm)	1.9 × 1.9	1.9 × 1.9	1.9 × 1.9
Field of view (mm)	360	360	360
Echo time (ms)	1.32	1.32	1.32
Repetition time (ms)	3.6	3.6	3.6
Flip angle (degrees)	12	12	12
Bandwidth (Hz/Px)	1184	1184	1184
Acceleration factor	2	2	2

Modified Look-Locker inversion recovery sequence (MOLLI); fast low-angle shot (FLASH); steady-state free-precession (SSFP)

ISSN: 1532-429X