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The purpose of the present study was to determine the relationship of inferior vena cava diameter (IVCD) and its respirophasic variation (IVC collapsibility index: IVCCI) with central venous pressure (CVP), and thereby to provide reference cut-offs for such IVC parameters to estimate elevation in CVP in pediatric patients with cardiovascular disease.

circulation journal

Usefulness of Respiratory Variation of Inferior Vena Cava Diameter for Estimation of Elevated Central Venous Pressure in Children With Cardiovascular Disease