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Aortic blisters: diagnosis and evolution

M Porcellini1, L Selvetella, L Del Viscovo

  • 1Department of Vascular Surgery, Federico II University, Naples, Italy.

International Surgery
|April 1, 1997
PubMed
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Abdominal aortic aneurysm (AAA) blisters are rare but can rupture. MRI angiography is the most accurate diagnostic tool, and surgical repair is crucial for preventing rupture.

Area of Science:

  • Vascular Surgery
  • Diagnostic Imaging
  • Aortic Aneurysm Research

Background:

  • Blisters on the abdominal aortic aneurysm (AAA) wall are uncommon findings.
  • Their incidence, diagnostic accuracy, and clinical significance require further elucidation.
  • Understanding these lesions is crucial for effective AAA management.

Purpose of the Study:

  • To evaluate the incidence of blisters on the AAA wall.
  • To assess the diagnostic accuracy of various imaging modalities for detecting these blisters.
  • To determine the clinical significance and optimal management of AAA blisters.

Main Methods:

  • Retrospective review of 14 patients with AAA blisters identified between 1983 and 1995.
  • Analysis of diagnostic accuracy for aortography, CT scan, and MRI angiography in detecting blisters.

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  • Intraoperative findings and clinical outcomes were recorded.

    • Main Results:

    • 14 patients (2.6%) with AAA blisters were identified.
    • MRI angiography demonstrated the highest accuracy (85.7%) in detecting blisters, followed by CT scan (27.2%) and aortography (20%).
    • One patient experienced a contained rupture of a blister, highlighting the risk of this complication.

    Conclusions:

    • AAA blisters are rare but potentially life-threatening lesions.
    • MRI angiography is the preferred imaging modality for accurate detection.
    • Surgical repair of aneurysms with blisters is recommended to prevent rupture.