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英文誌(2004-)

Journal of Medical Ultrasonics

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1987 - Vol.14

Vol.14 No.06

Original Article(原著)

(0547 - 0553)

超音波伝達媒体(オイルゼリー)を用いた右室前壁描出能の検討

Usefulness of Ultrasonic Coupling Medium on Evaluation of Right Ventricular Anterior Wall

都留 正人1, 中島 義明1, 森田 哲夫1, 岸本 欣也1, 上田 治1, 大谷 幸広1, 宝田 明2, 銕 寛之2, 今井 直昭2, 山崎 亨2, 吉田 浩2, 横田 慶之3, 福崎 恒3

Masato TSURU1, Yoshiaki NAKAJIMA1, Tetsuo MORITA1, Kinya KISHIMOTO1, Osamu UEDA1, Yukihiro OHTANI1, Akira TAKARADA2, Hiroyuki KUROGANE2, Naoaki IMAI2, Tohru YAMASAKI2, Yutaka YOSHIDA2, Yoshiyuki YOKOTA3, Hisashi FUKUZAKI3

1兵庫県立姫路循環器病センター放射線科, 2兵庫県立姫路循環器病センター循環器科, 3神戸大学医学部第一内科

1Department of Radiology, Himeji Cardiovascular Center, 2Department of Cardiology, Himeji Cardiovascular Center, 3The First Department of Internal Medicine, Kobe University School of Medicine

キーワード : Ultrasonic coupling medium, Right ventricular anterior wall, Solid intercalary method, Echocardiography

Right ventricular function has been analyzed by angiocardiography, cardiac catheterization, cardiac scintigraphy and ultrasonic doppler method. The right ventricular wall has been already investigated using ultrasonotomography and M-mode echocardiography, but those observations possibly include lots errors, because the anterior wall of right ventricle (RV) is not far from the surface of the chest and because the differentiation of RV wall from the well developed trabeculae is not easy.
We studied the RV anterior wall with a brand new technique. That is an immersion method which has currently been utilized for the ultrasonic examination of the surface tissues by placing the solid ultrasonic coupling medium between the probe and the body surface. This technique was called Solid Intercalation Technique (SICT) and the preliminary experiment and the clinical application of SICT on the evaluation of RV anterior wall thickness were performed in this investigation.
Preliminary experiment was performed as follows. The representation of the target for the Ring Down Zone was visually compared and the most suitable thickness of oil jelly was determined. The target located 4 mm below the surface was most clearly defined when oil jelly, 4 cm thick was used.