Why the study?
Does bedside sonographic measurement of the IVC diameter correlate with central venous pressure (CVP) in the assessment of intravascular volume in children?
Does bedside sonographic measurement of the IVC diameter correlate with central venous pressure (CVP) in the assessment of intravascular volume in children?
Bedside ultrasound measurements of IVC and aortic diameters do not reliably correlate with central venous pressure for assessing intravascular volume in acutely ill children.
May not support IVC metrics for pediatric volume assessment; hypothesis-generating and requires prospective validation.
Previous studies demonstrated that the collapsibility index (percent decrease in inferior vena cava (IVC) diameter with inspiration) of > 50% and an IVC/Aorta ratio of < 0.8 correlated with a low intravascular volume. Our study sought to determine if bedside ultrasound (BUS) measurements of the IVC diameter correlate with central venous pressure (CVP) measurements as an indicator of intravascular volume status in acutely ill children.
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Ng et al. (2012) studied this question.
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