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Correlation of sonographic measurements of the internal jugular vein with central venous pressure

Correlation of sonographic measurements of the internal jugular vein with central venous pressure AMERICAN JOURNAL OF EMERGENCY MEDICINE Donahue, S. P., Wood, J. P., Patel, B. M., Quinn, J. V. 2009; 27 (7): 851-855

Abstract

Determination of volume status is crucial in treating acutely ill patients. This study examined bedside ultrasonography of the internal jugular vein (IJV) to predict central venous pressure (CVP). Ultrasonography was performed on 34 nonventilated patients with monitored CVPs. The IJV was measured during the respiratory cycle and with the patient in different positions. Mean IJV diameter in patients with CVP less than 10 cm H2O was 7.0 mm (95% confidence interval [CI], 5.7-8.3) vs 12.5 mm (95% CI, 11.2-13.8) in patients with CVP of 10 cm H2O and greater. Measurement of end expiratory diameter with the patient supine had the highest correlation coefficient: 0.82 (95% CI). There was strong agreement among ultrasonographers: correlation coefficient, 0.92 (95% CI). This pilot study shows promise that ultrasonography of the IJV can be a noninvasive tool to predict CVP. Measurement of end expiratory diameter in supine patients exhibited a high correlation to CVP.

View details for DOI 10.1016/j.ajem.2008.06.005

View details for Web of Science ID 000269311400017

View details for PubMedID 19683116