1. The Reproducibility of Intravascular Ultrasound Imaging In Vitro
- Author
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Moriuchi, Masahito, Tobis, Jonathan M, Mahon, Don, Gessert, James, Griffith, James, McRae, Michael, Moussabeck, Omar, and Henry, Walter L
- Subjects
Biomedical and Clinical Sciences ,Cardiovascular Medicine and Haematology ,Biomedical Imaging ,Bioengineering ,Detection ,screening and diagnosis ,4.1 Discovery and preclinical testing of markers and technologies ,Arteriosclerosis ,Blood ,Body Temperature ,Carotid Arteries ,Femoral Artery ,Humans ,Iliac Artery ,In Vitro Techniques ,Observer Variation ,Reproducibility of Results ,Ultrasonography ,Cardiorespiratory Medicine and Haematology ,Cardiovascular System & Hematology ,Cardiovascular medicine and haematology - Abstract
To determine which factors may affect the image quality when an intravascular ultrasound catheter is used in vivo, the influence of blood, temperature change, and contrast media were evaluated. In addition, to confirm the reproducibility of intravascular ultrasound imaging to measure cross-sectional lumen area, intraobserver and interobserver variability were determined. The findings indicated that ultrasound images in blood are mildly attenuated, that changes from room temperature to body temperature do not have a significant impact on the image quality, that contrast media attenuates the image intensity in a dose-dependent manner, and that the intravascular ultrasound imaging catheter provides a reproducible method for measuring arterial lumen area with excellent intraobserver and interobserver correlation.
- Published
- 1990