Catastrophic STS/SVS type B3 aortic dissection complicated by hepatic portal venous gas and multi-organ malperfusion: a case report - Takeaways - MDSpire

Catastrophic STS/SVS type B3 aortic dissection complicated by hepatic portal venous gas and multi-organ malperfusion: a case report

  • By

  • Jia Li

  • Xinping Lan

  • Jianbo Guo

  • Zifang Shang

  • June 17, 2026

  • 0 min

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  • 1

    Acute aortic dissection complicated by visceral malperfusion is a critical emergency with high mortality rates.

  • 2

    Hepatic portal venous gas is a severe radiological sign indicating potential bowel necrosis and mucosal barrier breach.

  • 3

    A 64-year-old male presented with significant blood pressure asymmetry and severe abdominal pain due to STS/SVS Type B3 dissection.

  • 4

    Computed tomography angiography revealed extensive visceral ischemia, HPVG, and multi-organ ischemia in the patient.

  • 5

    Early recognition of HPVG via CTA is crucial for diagnosing irreversible intestinal damage in acute aortic dissection cases.

Original Source(s)

Catastrophic STS/SVS type B3 aortic dissection complicated by hepatic portal venous gas and multi-organ malperfusion: a case report

  • by Jia Li, Xinping Lan, Jianbo Guo, Zifang Shang

  • June 17, 2026

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