Vascular and Intravascular Imaging Trends, Analysis, and Challenges, Volume 1: Stent applications by Jasjit S Suri Petia Radeva

Author:Jasjit S Suri Petia Radeva [Petia Radeva, Jasjit S Suri]
Language: eng
Format: mobi
ISBN: 9780750319973
Publisher: IOP Publishing
Published: 2019-08-01T16:00:00+00:00

Figure 8.10. Example of a frame corresponding to the period during the injection of contrast agent.

Table 8.1. Quantitative enhancement-detection results. μ stands for maximal enhancement while Γ stands for total enhancement area.

8.3.1 Human cases

All human patients had indications for coronary percutaneous intervention and intravascular ultrasound imaging. Written informed consent was obtained from all patients and the study protocol was approved by the ethical committees of our institutions.

Figure 8.11 depicts the results from case 1. Note that there exist multiple large regions in the plaque and media/adventitia region, which depicts a large enhancement after the injection of contrast agent, suggesting the presence of extra-luminal perfusion due to VV and VVP. In addition, there is some evidence of direct plaque/microbubble interaction at the 12 o’clock region of the luminal border, where the bubbles persist in a dense concentration. This could be evidence of a leaky plaque (i.e. one with a disrupted cap).

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