Table 2.

Number of dual-bolus perfusion scans (patients) in which different kinds and doses of gadolinium contrast agent, manufacturers and perfusion sequences were used

Gd-DO3A-butrol 1.0 mol/L	Philips 3.0T
Dose (mmol/kg)	TFE	k-t accelerated TFE
0.025	28 (14)	-
0.075	-	1 (1)
0.1	-	4 (2)
Gd-DO3A-butrol 1.0 mol/L	Philips 1.5T
Dose (mmol/kg)	TFE	b-TFE	k-t accelerated b-TFE
0.025	4 (2)	-	-
0.075	2 (2)	-	19 (11)
0.1	-	-	37 (19)
0.1	-	2 (2)	33 (18)
Gd-DO3A-butrol 1.0 mol/L	SIEMENS 1.5T
Dose (mmol/kg)	TurboFLASH
0.05	6 (3)
0.075	3 (2)
Gd-DTPA 0.5 mol/L	Philips 1.5T
Dose (mmol/kg)	b-TFE
0.05	10 (5)
Gd-DOTA 0.5 mol/L	Philips 1.5T
Dose (mmol/kg)	b-TFE
0.1	12 (6)

(TFE = turbo field echo, b-TFE = balanced TFE, k-t = k-space and time, TurboFLASH = turbo fast low-angle shot)