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- W1536804566 abstract "This study investigated by echocardiography pre- and postoperative findings in patients with right ventricular volume overload, suggesting a mechanism for the abnormal ventricular septal motion. Twenty-one children with secundum atrial septal defect, ostium primum defect, sinus venosus defect or total anomalous pulmonary venous return were studied. Preoperatively, the expected normal posterior septal motion was reversed in 18 of thé 21 patients. The mean right ventricular enddiastolic dimension index was increased in all patients and averaged 2.9 cm/m2 (range 1.9 to 3.7 cm/m2). Postoperatively, the septal motion reverted to normal in 12 patients, remained normal in 1, was reversed in 1 and became intermediate in 7. In 18 patients, the right ventricular end-diastolic dimension index was reduced, and in 3 was unchanged. The mean right ventricular end-diastolic dimension index after correction was 2.2 cm/m2. In most of the patients whose septal motion reverted to normal the right ventricular end-diastolic dimension index was reduced by ; in patients with persistent abnormal septal motion it was reduced by less than . Although several mechanisms may contribute to abnormal septal motion, it is most likely related to marked dilatation of the right ventricle and exaggerated anterior movement of the entire heart during systole, thus providing a net anterior motion in systole." @default.
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- W1536804566 date "1972-09-01" @default.
- W1536804566 modified "2023-10-16" @default.
- W1536804566 title "Ventricular septum in right ventricular volume overload" @default.
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- W1536804566 doi "https://doi.org/10.1016/0002-9149(72)90564-4" @default.
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