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Related Experiment Video

Updated: Jul 19, 2026

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit

Published on: May 14, 2020

Anastomotic pseudoaneurysms: our experience with 49 cases.

G Skourtis¹, I Bountouris, G Papacharalambous

¹Department of Vascular Surgery, KAT-General Hospital, Athens, Greece.

Annals of Vascular Surgery

|October 25, 2006

Summary

Degenerative arterial disease is the primary cause of anastomotic aneurysms. Emergency surgery for these aneurysms leads to high mortality, while elective procedures offer better outcomes.

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Microsurgical Creation of Giant Bifurcation Aneurysms in Rabbits for the Evaluation of Endovascular Devices

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Last Updated: Jul 19, 2026

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit

Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit

Published on: May 14, 2020

Microsurgical Creation of Giant Bifurcation Aneurysms in Rabbits for the Evaluation of Endovascular Devices

Microsurgical Creation of Giant Bifurcation Aneurysms in Rabbits for the Evaluation of Endovascular Devices

Published on: September 8, 2023

Area of Science:

Vascular Surgery
Pathogenesis of Vascular Complications

Background:

Anastomotic aneurysms are a serious complication following vascular reconstruction.
Understanding their etiology and patient outcomes is crucial for surgical management.

Purpose of the Study:

To investigate factors contributing to anastomotic aneurysm formation.
To analyze the postoperative course and outcomes of patients with anastomotic aneurysms.

Main Methods:

Retrospective analysis of 45 patients with 49 anastomotic aneurysms over 8 years.
Preoperative diagnostics included color duplex scan, CT scan, and angiography.
Surgical procedures involved obtaining cultures and histological examination of adjacent arterial walls.

Main Results:

Aortobifemoral bypass was the most common prior operation (71%), with femoral anastomosis being the most frequent site (85.7%).
Emergent complications (rupture, thromboembolism) occurred in 15 cases, associated with 46.6% mortality.
Elective operations demonstrated high patency rates and no mortality.

Conclusions:

Degenerative host artery disease is the leading cause (40%) of anastomotic aneurysms, with multifactorial etiology in about one-third of cases.
Emergency arterial reconstruction for anastomotic aneurysms carries a poor prognosis.
Elective surgical management is associated with significantly better patient outcomes.