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Review
. 2022 Jun;38(6):1213-1220.
doi: 10.1007/s10554-022-02526-x. Epub 2022 Apr 19.

High-definition intravascular ultrasound: current clinical uses

Héctor M García-García  1 , Michael Finizio  2 , David Del Val  3 , Fernando Rivero  3 , Ron Waksman  2 , Fernando Alfonso  3
Affiliations
Review

High-definition intravascular ultrasound: current clinical uses

Héctor M García-García et al. Int J Cardiovasc Imaging. 2022 Jun.

Abstract

Intravascular ultrasound (IVUS) provides grayscale images of the entire vessel wall, and its technology has recently been improved, resulting in more accurate tissue characterization. Compared with conventional IVUS, high-definition (HD) IVUS provides better resolution, better image quality, faster acquisition and integration of processing tools for more efficient cath lab workflow. HD-IVUS includes transducers with higher frequencies (≥ 45 MHz), allowing a higher near field resolution combined with enough tissue penetration for a more precise assessment of the entire vessel wall. HD-IVUS preserves the potential advantages of conventional (40 MHz) IVUS over optical coherence tomography by adding a substantially higher spatial resolution. For this reason, this technology has generated increasing interest among interventional cardiologists and researchers to provide better detailed morphological evaluation on complicated plaques in acute coronary syndrome patients and better stent optimization. In this review, we provide the state-of-the-art on this technology and its current clinical applications.

Keywords: Coronary; High definition; Intravascular ultrasound; Stent.

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