Table 4.

Injection Timing for Arterial Imaging

Fluorophore	Time Interval	Performance	Pros and Cons
MB	0 – 10 min	++
	10 – 90 min	++	Multiple injections without high background
	≥ 90 min	++
ICG	0 – 10 min	++	Multiple injections without high background
	10 – 90 min	−	Interference from ICG accumulation in liver and clearance into bile, leading to high background
	≥ 90 min	+	Artery can be visualized although bile ducts are still very bright
ZW800-1	0 – 10 min	++
	10 – 90 min	++	Multiple injections without high background
	≥ 90 min	++

++: High contrast arterial imaging (mean CBR of artery > both mean CBR of liver and mean CBR of CBD)

+ : Low contrast arterial imaging (mean CBR of artery < either mean CBR of liver or mean CBR of CBD)

− : Poor contrast arterial imaging (mean CBR of artery < both mean CBR of liver and mean CBR of CBD)