Atherosclerosis imaging using 3D black blood TSE SPACE vs 2D TSE

Table 1 Imaging parameters

	2D	3D SPACE
Carotids	Axial	Coronal
FOV	140	200
TR	2000	1600
TE	56	128
Aorta	Axial	Double oblique
FOV	300	300
TR	2000	1600
TE	48	128

FOV: Field of view; TR: Repetition time; TE: Echo time; 3D: Three-dimensional.

Table 2 Mean and standard deviation of qualitative assessments

Vessel	Sequence	ImQ	VWD	FS	Artifacts
Carotids	2D TSE	4.0 ± 0.67	4.3 ± 0.67	4.2 ± 0.63	4.1 ± 0.73
Carotids	SPACE	3.7 ± 0.67	4.2 ± 0.78	4.5 ± 0.52	3.9 ± 0.73
Aorta	2D TSE	3.9 ± 0.73	4.0 ± 0.67	3.8 ± 0.63	3.4 ± 0.84
Aorta	SPACE	4.0 ± 0.67	4.3 ± 0.82	4.1 ± 0.56	3.6 ± 0.84
Femoral	2D TSE	3.9 ± 0.73	3.4 ± 0.84	3.5 ± 0.85	4.0 ± 0.67
Femoral	SPACE	2.8 ± 0.791	2.3 ± 0.941	2.4 ± 0.961	3.1 ± 0.571

¹Indicates significant difference (P < 0.05). Values are in mm². ImQ: Image quality; VWD: Vessel wall delineation; 3D: Three-dimensional; TSE: Turbo spin echo; FS: Flow suppression.

Table 3 Morphometric analysis results between three-dimensional SPACE and two-dimensional turbo spin echo images for lumen area and total vessel area

Morphometricparameter	Vessel	2D TSE	3D SPACE	aP	ICC
LA	Aorta	334.36 ± 59.42	372.74 ± 89.691	0.022	0.8341
LA	RCC	34.76 ± 8.64	34.60 ± 11.91	0.941	0.8191
LA	LCC	33.58 ± 6.38	33.04 ± 9.42	0.760	0.8551
LA	RF	19.66 ± 9.37	20.95 ± 5.28	0.621	0.7721
LA	LF	27.15 ± 16.13	34.50 ± 13.95	0.066	0.8181
TVA	Aorta	224.29 ± 47.98	239.09 ± 63.931	0.027	0.9561
TVA	RCC	38.19 ± 8.04	45.35 ± 11.571	0.028	0.581
TVA	LCC	36.76 ± 13.32	44.35 ± 16.731	0.041	0.7721
TVA	RF	47.42 ± 20.28	64.23 ± 15.301	0.019	0.7661
TVA	LF	51.03 ± 17.17	71.56 ± 20.151	0.001	0.8081

¹Indicates statistical significant (P < 0.05) value. Data are mean (mm²) of morphometric parameter value ± SD. ^aP: Value for mean comparison between three-dimensional (3D) SPACE and 2D turbo spin echo; LA: Lumen area; TVA: Total vessel area; RCC: Right common carotid; LCC: Left common carotid; RF: Right femoral; LF: Left femoral; ICC: Intraclass correlation coefficient.