Tsukasa Torigoe

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In infants, acute mitral regurgitation resulting from ruptured chordae tendineae is very rare, but often fatal. There are a few case reports, but the characteristics and etiology of chordae tendineae rupture have not been elucidated. Our aim was to determine the clinical characteristics of idiopathic acute mitral regurgitation due to chordal rupture in(More)
BACKGROUND Children with a history of low birthweight (LBW) are often hospitalized with plural episodes of pneumonia after discharge from the neonatal intensive care unit. The aim of this study was to clarify the multiple factors predisposing them to developing three or more hospitalizations with pneumonia and whether the factors are related to their own(More)
Percutaneous transluminal pulmonary valvuloplasty may be indicated in not only isolated pulmonary valve stenosis, but also complex congenital heart diseases. Because palliative surgery for increasing pulmonary blood flow entails a risk of scar formation and immediate postoperative complications, catheter intervention is preferred, if possible. However, an(More)
This is the first report of a coronary artery with an anomalous origin from the proper sinus resulting in ischemic events in a child. Transthoracic echocardiogram, computed tomogram, and coronary angiogram revealed that, although the left main coronary trunk originated from the left sinus, its ostium was displaced horizontally and was located near the(More)
In contrast to the atrial septal defect (ASD) as a congenital interatrial shunt, the extracardiac interatrial tunnel is extremely rare. We report the first percutaneous closure of this entity during closure of a secundum ASD after careful investigation of ischemic risk in a 15-year-old girl. The extracardiac interatrial tunnel could entail interatrial(More)
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