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英文誌(2004-)

Journal of Medical Ultrasonics

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1995 - Vol.22

Vol.22 No.08

Case Report(症例報告)

(0631 - 0636)

肺動脈絞扼術後に近位部および遠位部肺動脈間に交通をきたした1小児例
−心エコー図診断の有用性−

A Case of Communication Between the Proximal and Distal Pulmonary Arteries After Pulmonary Artery Banding: Echocardiographic Diagnosis of an Unusual Complication After Pulmonary Artery Banding

森 一博1, 松岡 優1, 真鍋 哲也1, 黒田 泰弘1, 北川 哲也2, 北市 雅代3

Kazuhiro MORI1, Suguru MATSUOKA1, Tetsuya MANABE1, Yasuhiro KURODA1, Tetsuya KITAGAWA2, Masayo KITAICHI3

1徳島大学小児科, 2徳島大学心臓血管外科, 3徳島大学第2外科

1Department of Pediatrics, Tokushima University School of Medicine, 2Department of Cardiovascular Surgery, Tokushima University School of Medicine, 3Second Department of Surgery, Tokushima University School of Medicine

キーワード : Echocardiography, Pulmonary artery banding

We studied a five-month-old boy who had abnormal communication between the proximal and distal pulmonary arteries after pulmonary artery banding and in whom pulmonary hypertension and respiratory distress developed as a result of dilatation of the proximal pulmonary artery. Characteristic echocardiographic findings included band distally displaced close to the bifurcation of the pulmonary artery; proximal pulmonary artery significantly dilated; continuous-wave Doppler recordings showing peak velocity across the band to be decreased by half during the first two months after surgery, indicating reappearance of pulmonary hypertension; and color-flow mapping demonstrating two turbulent jets from the proximal to the distal pulmonary artery and the outside jet in the pulmonary artery showing the communication between the proximal and distal pulmonary arteries. These echocardiogrphic findings were confirmed on intracardiac-repair surgery. Two-dimensional echocardiography was thus useful in diagnosing this rare complication after pulmonary artery banding.