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- W3142892022 abstract "Echocardiograms were performed in 20 infants and children with isolated ventricular septal defects (VSD) undergoing cardiac catheterization. The magnitude of the left-to-right shunt was expressed as the pulmonary-to-systemic flow ratio (Qp/Os) and was compared to a ratio of the echographic left atrial (LA) diameter to the aortic root (Ao) diameter (LA/Ao). The Qp/Qs was also compared to LA/m2. Thirty-three normal children served as controls. The LA/m2 and Ao/m2 were significantly larger in normal infants under one year of age than in children above one year. The LA/Ao, however, was not influenced by age or size. A strong linear relationship was found between Qp/Qs and the LA/Ao (r = 0.96). The LA/Ao measurement appears to be helpful in the noninvasive assessment of the left-to-right shunt in patients with VSD." @default.
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- W3142892022 date "1976-01-01" @default.
- W3142892022 modified "2023-09-22" @default.
- W3142892022 title "Echocardiographic assessment of left-to-right shunt volume in children with ventricular septal defect." @default.
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