title: Principles and devices.
abstract: The development of catheter-based ultrasound imaging began in the 1950s using large-diameter catheters and frequencies of between 1 and 10 MHz. In the 1970s, 360 degrees cross-sectional imaging of vessels was reported using multi-element or phase-array transducers. Since then, refinements in imaging frequency, catheter size, image quality, and computer-driven imaging platforms have transformed intravascular ultrasound (IVUS) from predominantly a research tool to an important clinical intervention.
authors.affiliation: Los Angeles Biomedical Research Institute, Harbor-UCLA Medical Center, Torrance, CA 90502, USA. geokopchok@earthlink.net
authors.forename: George E
authors.initials: GE
authors.lastname: Kopchok
authors.forename: Carlos E
authors.initials: CE
authors.lastname: Donayre
authors.forename: Rodney A
authors.initials: RA
authors.lastname: White
mesh_terms: D006328:Cardiac Catheterization / Q000295:instrumentation* / Q000379:methods* / Q000639:trends; D004867:Equipment Design; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000295:instrumentation / Q000379:methods; D014159:Transducers; D018084:Ultrasonography, Interventional / Q000295:instrumentation* / Q000379:methods* / Q000639:trends