Table 1. Commercially available intravascular imaging modalities.

Imaging modality	Manufacturer	Source	Axial resolution (µm)	Lateral resolution (µm)	Tissue penetration (mm)	Frame width (mm)	Pullback distance (mm)
Intravascular ultrasound	Boston Scientific	40 MHz Ultrasound	38	80–200	>5	0.02–0.03	100
	Volcano	20 MHz Ultrasound	170	100	>5	0.02–0.03	150
	Volcano	45 MHz Ultrasound	46	179	>5	0.02–0.03	150
	InfraReDx/Nipro	50 MHz Ultrasound	20	240–260	8	0.02–0.07	150
	Boston Scientific	60 MHz Ultrasound	22	50–140	>5	0.02–0.03	100
	ACIST	60 MHz Ultrasound	40	90	3	0.02–0.17	120
	Terumo	60 MHz Ultrasound	<30	100	Not available	0.02–0.1	150
Optical coherence tomography	Abbott	Near Infrared 1.3 ìm	15	20–40	1 to 2	0.1–0.2	75
	Terumo	Near Infrared	<20	30	Not available	0.13–0.25	150