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Updated: Oct 21, 2025

A New Murine Model of Endovascular Aortic Aneurysm Repair

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Published on: July 7, 2013

Endovascular Rerouting the Errant Aortic Endoprosthesis.

Mario Dervishi¹, Shinichi Fukuhara², Himanshu J Patel²

¹Division of Vascular and Interventional Radiology, Department of Radiology, University of Michigan, Ann Arbor, Michigan.

The Annals of Thoracic Surgery

|September 6, 2021

Summary

Endovascular repair of aortic dissection is challenging due to flap defects. This study presents a minimally invasive technique to successfully reroute mispositioned endoprostheses into the true lumen, improving patient outcomes.

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Last Updated: Oct 21, 2025

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Area of Science:

Cardiovascular Surgery
Endovascular Interventions
Aortic Dissection

Background:

Anatomic complexity of aortic dissection presents challenges for endovascular repair.
Defects in the dissection flap can lead to guidewire misplacement between lumens.
Inadvertent placement of endoprostheses into the false lumen is a known complication.

Observation:

Accidental guidewire passage and device malpositioning into the false lumen occurred in patients undergoing endovascular aortic repair.
Existing literature offers limited descriptions of this complication and its management.
Seven patients experienced errant endoprosthesis placement into the false lumen.

Findings:

A novel minimally invasive technique was employed to address endoprosthesis malpositioning.
The technique successfully rerouted the mispositioned endoprosthesis into the true lumen in all 7 patients.
Successful repositioning was achieved with minimal invasiveness.

Implications:

This approach offers a viable bailout strategy for endoprosthesis malpositioning in aortic dissection.
Minimally invasive techniques can effectively manage complications in complex aortic repairs.
Further research may validate this technique for broader application in endovascular aortic surgery.