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Contrast-fluid level in the inferior vena cava (IVC niveau sign) in patients with acute type A aortic dissection: computed tomography findings during acute cardiac tamponade

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Abstract

Purpose

The purpose of this study was to report a new computed tomography (CT) finding in acute cardiac tamponade: a contrast-fluid level in the hepatic inferior vena cava (IVC) during an arterial dominant phase CT study (IVC niveau sign) in patients with acute type A aortic dissection.

Materials and methods

We retrospectively reviewed CT studies with the diagnosis of proximal aortic dissection (Stanford type A) with acute cardiac tamponade. There were 12 patients enrolled in the study (6 women, 6 men; mean age 66 years). A total of 62 patients were selected as a control chronic pericardial effusion group to compare with the acute cardiac tamponade group.

Results

Among the 12 patients with acute cardiac tamponade, the IVC niveau sign was seen in 7 (58%). In the control chronic pericardial effusion group (n = 62), we identified the IVC niveau sign in only one patient (1.6%). There was a significant difference in the presence of the IVC niveau sign between the acute cardiac tamponade and chronic pericardial effusion groups (P < 0.0001).

Conclusion

The presence of the IVC niveau sign suggests acute cardiac tamponade in patients with acute type A aortic dissection.

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Authors and Affiliations

  1. Department of Radiology, Nagasaki University School of Medicine, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan

    Eijun Sueyoshi, Tsugumi Imamura, Ichiro Sakamoto & Masataka Uetani

  2. Department of Radiology, Nagasaki Medical Center, Nagasaki, Japan

    Yohjiro Matsuoka

Authors
  1. Eijun Sueyoshi
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  2. Tsugumi Imamura
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  3. Ichiro Sakamoto
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  4. Masataka Uetani
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  5. Yohjiro Matsuoka
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Corresponding author

Correspondence to Eijun Sueyoshi.

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Sueyoshi, E., Imamura, T., Sakamoto, I. et al. Contrast-fluid level in the inferior vena cava (IVC niveau sign) in patients with acute type A aortic dissection: computed tomography findings during acute cardiac tamponade. Jpn J Radiol 28, 278–282 (2010). https://doi.org/10.1007/s11604-010-0422-4

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  • DOI: https://doi.org/10.1007/s11604-010-0422-4

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