Left Heart Volume Estimation in Infancy and Childhood Reevaluation of Methodology and Normal Values
作者： THOMAS P. GRAHAM , JAY M. JARMAKANI , RAMON V. CANENT , MARY N. MORROW
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摘要: Left ventricular (LV) volume determinations by the area-length method were reevaluated in postmortem studies of left ventricles ranging from 0.5 to 90 cm3 absolute volume. The regression equation relating known and calculated volumes for 15 (V' = 0.974V - 3.1). From these equations, normal values cinecardiographic LV end-diastolic (LVEDV), ejection fraction (LVEF), systolic output (LVSO), mass (LVM), atrial maximal (LAMax) derived 56 children (19 < 2 years) with who underwent cardiac catheterization. Values LVEDV/BSA significantly less infants (< than older (42 ± 10 versus 73 11 cm3/m2, P <0.001). LAMax/BSA also (26 5 38 8 cm3/ m2, <0.001), LVEF was increasel (0.68 0.05 0.63 ...
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