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Updated: Jun 2, 2026

Modified Octopus Technique for Thoracoabdominal Aortic Aneurysm
Published on: August 1, 2025
The challenge of posttraumatic thrombus embolization from abdominal aortic aneurysm causing acute limb ischemia
Gianluigi Nigro1, Luca Giovannacci, Stephan Engelberger
1Department of Surgery, Ospedale Civico di Lugano, Lugano, Switzerland. gl.nigro82@gmail.com
Abstract:
We report the first documented case of distal thromboembolism originating from an abdominal aortic aneurysm (AAA) after a blunt trauma. A 72-year-old man with a known 6.2 cm AAA was brought to our emergency department with signs of bilateral acute limb ischemia developing immediately after an accidental fall. The occlusion was confirmed at computed tomographic angiography, and the aneurysm showed a fragmentated/ulcerated mural thrombus, morphologically different as compared to the previous computed tomography (CT). A thromboembolectomy was performed and, after treatment of the ischemic complications, the aneurysm was repaired by open surgery. Embolization from aneurysms in the setting of a trauma is a challenge for the vascular surgeon, also because of its rare occurrence. We describe the management and discuss the operative strategy we opted for in this patient.
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