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KMID : 0385920070180020115
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Journal of the Korean Society of Emergency Medicine
2007 Volume.18 No. 2 p.115 ~ p.123
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Estimation of Central Venous Pressure using Ultrasound Imaging of Inferior Vena Cava
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Lee Yu-Jin
Hong Yong-Cheon
Lee Hyung-Yeon
Han Seung-Cheul
Jeung Kyung-Woon
Heo Tag
Min Young-Il
Yun Jong-Geun
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Abstract
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Purpose: There have been several studies addressing the correlation between central venous pressure (CVP) and ultrasonographic findings of the inferior vena cava (IVC). We performed the present study to discover the degree of
correlation between CVP and the area of IVC as measured with ultrasound, and to determine which portion of the IVC
shows the best correlation with CVP.
Methods: The present study was prospectively performed in emergency medical center of Chonnam National
University Hospital from March 1 to October 31, 2006. Two intrahepatic portions and one extrahepatic portion of the IVC were evaluated.
Results: All tested areas of the IVC, and the collapsibility indices measured at each location, showed a substantial correlation with CVP. However, in multiple logistic regression analysis performed to identify the location best correlated with CVP, the area of the IVC just below the hepatic vein-IVC junction proved to be the only location to correlate
with CVP with statistic significance.
Conclusion: Measurement of IVC area using ultrasound can yield important information about a patient’s volume
status, especially in patients for whom central venous catheter insertion is contraindicated. We suggest that the portion of the IVC just below the hepatic vein-IVC junction is the optimal locatin for area measurement to estimate CVP.
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KEYWORD
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Inferior vena cava, Central venous pressure, Ultrasonography
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