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Journal of Ultrasound in Medicine, Vol 14, Issue 9 665-668, Copyright © 1995 by American Institute of Ultrasound in Medicine

JOURNAL ARTICLE

Sonographic assessment of infrarenal inferior vena caval dimensions

A. M. Sykes, R. F. McLoughlin, C. B. So, P. L. Cooperberg, J. R. Mathieson, R. R. Gray and R. Brandt
Department of Radiological Sciences and Diagnostic Imaging, Foothills Hospital Calgary, Alberta, Canada.

The dimensions of the infrarenal inferior vena cava during quiet respiration, single leg lifting, and breath-holding were assessed using sonography in 156 patients. Sonographic assessment of infrarenal inferior vena caval dimensions was feasible in 69% of patients. Measurements during breath-holding were significantly greater than during quiet respiration (P < 0.001) and leg lifting (P < 0.005), although in approximately one quarter of the patients the mean calculated diameter was greatest during quiet respiration. we conclude that sonographic assessment of infrarenal inferior vena caval dimensions is feasible, but it should be performed during quiet respiration and breath-holding to allow for variation with different respiratory maneuvers.




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Copyright © 1995 by the American Institute of Ultrasound in Medicine.