Abstract
Right and left ventricular volumes were calculated from bi-plane cineangiograms using a previously descriped parallelepiped method. Seventeen children, 1 month-10 years of age, were studied. Mean right ventricular end-diastolic volume (EDV) was 64 ml/m2 for infants, 78 ml/m2 for children. Mean right ventricular end-systolic volume (ESV) was 30 ml/m2 for both age groups. Left ventricular EDV and ESV were smaller than their right ventricular correlates by 23% and 56%, respectively. Mean right ventricular ejection fraction was 0.52 for infants and 0.61 for children. Mean left ventricular ejection fraction was 0.79 and 0.74, respectively.
Speculation Cineangiographic determination of right and left ventricular volumes from a single contrast injection provides an excellent method to simultaneously evaluate hemodynamic performance of the two ventricles. Analysis of frame to frame volume changes, coupled with exact measurements of ventricular pressure changes, may allow calculation of ventricular distensibility and contractility.
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Thilenius, O., Arcilla, R. Angiographic Right and Left Ventricular Volume Determination in Normal Infants and Children. Pediatr Res 8, 67–74 (1974). https://doi.org/10.1203/00006450-197402000-00001
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DOI: https://doi.org/10.1203/00006450-197402000-00001
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