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英文誌(2004-)

Journal of Medical Ultrasonics

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1987 - Vol.14

Vol.14 No.02

Original Article(原著)

(0096 - 0103)

超音波パルスドプラ法を用いたtotal cavopulmonary shunt手術術後の肺血流動態の検討

Assessment of Pulmonary Blood Flow Pattern by Pulsed Doppler in Patients After Total Cavopulmonary Shunt Operation

三浦 拓也1, 広瀬 一1, 松田 暉1, 中埜 粛1, 黒田 修1, 加藤 寛1, 川島 康生1, 有沢 淳2, 佐野 哲也3

Takuya MIURA1, Hajime HIROSE1, Hikaru MATSUDA1, Susumu NAKANO1, Osamu KURODA1, Hiroshi KATO1, Yasunaru KAWASHIMA1, Jun ARISAWA2, Tetsuya SANO3

1大阪大学医学部第一外科, 2大阪大学医学部放射線科, 3大阪大学医学部小児科

1First Department of Surgery, Osaka University Medical School, 2Department of Radiology, Osaka University Medical School, 3Department of Pediatrics, Osaka University Medical School

キーワード : Single ventricle, Total cavopulmonary shunt operation, Pulsed Doppler echocardiography

Pulsed Doppler technique was utilized to determine the characteristics of blood flow pattern in two patients with single ventricle after total cavopulmonary shunt (TCPS) operation. Pulmonary arterial (PA) blood flow pattern was biphasic forward flow, similar to pulmonary venous one. In the azygos or hemiazygos vein, blood flow pattern was nearly continuous steady flow. In one patient, the ventricular inflow pattern consisted of two phasic patterns, namely rapid filling and atrial augmentation, as observed in normal subjects.
PA blood now pattern was biphasic in the patients with no pumping chamber in the right heart circulation after TCPS operation. This may be partly due to the contraction and relaxation of the left atrium and ventricle.