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英文誌(2004-)

Journal of Medical Ultrasonics

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1993 - Vol.20

Vol.20 No.08

Original Article(原著)

(0459 - 0464)

15 MHz探触子を用いた血管内超音波法による大血管の評価
−剖検例および臨床例での検討−

Intravascular Ultrasound Evaluation of Great Vessels Using a 15 MHz Probe
-Clinical and Postmortem Investigations-

福田 久也1, 吉川 純一1, 吉田 清1, 赤阪 隆史1, 赤土 正洋1, 藤原 巍2

Hisaya FUKUDA1, Junichi YOSHIKAWA1, Kiyoshi YOSHIDA1, Takashi AKASAKA1, Masahiro SHAKUDO1, Takashi FUJIMURA2

1神戸市立中央市民病院循環器センター, 2川崎医科大学胸部外科

1Department of Cardiology Kobe General Hospital, 2Department of Thoracic Surgery Kawasaki Medical School

キーワード : Intravascular ultrasound imaging, Arterial wall characteristics, Atherosclerosis

Intravascular ultrasound imaging is a new technique for visualizing arterial structures. The purpose of this study was twofold; first, to assess the ability of a newly developed 15 MHz intravascular ultrasound catheter to generate cross-sectional images in human great vessels in vitro, and second, to determine the reliability of this intravascular ultrasound system in the evaluation of human great vessels in vivo. The ultrasound scanning provided an accurate image with high resolution of the lumen structure and lumen-intima interface in all vessel specimens. The aorta was recognized as a one-layered structure, because the media of the aorta were as echogenic as those of the intima and the adventitia. In contrast, a three-layered structure was noted in the iliac arteries, due to the hypoechoic media. There was a good correlation between the planimetric luminal area on the ultrasound images and the area obtained from histologic images (r=0.97, p