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Updated: May 13, 2026

Myocardial Infarction by Percutaneous Embolization Coil Deployment in a Swine Model

Myocardial Infarction by Percutaneous Embolization Coil Deployment in a Swine Model

Published on: November 4, 2021

Coil-protected embolization technique for a branch-incorporated aneurysm.

Yon-Kwon Ihn¹, Byung Moon Kim, Sang Hyun Suh

¹Department of Radiology, The Catholic University of Korea College of Medicine, St. Vincent's Hospital, Suwon 442-723, Korea.

Korean Journal of Radiology

|March 14, 2013

Summary

The coil-protected embolization technique is a safe and effective method for treating difficult small-branch incorporated aneurysms. This minimally invasive procedure demonstrated high occlusion rates and favorable patient outcomes in a recent study.

Keywords:

Coil embolization Coil protection Intracranial aneurysm

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Area of Science:

Neurosurgery
Interventional Radiology
Vascular Neurology

Background:

Small branch-incorporated aneurysms present significant challenges for endovascular treatment.
Traditional coil embolization techniques often struggle with aneurysms featuring incorporated side branches.

Purpose of the Study:

To assess the safety and efficacy of the coil-protected embolization technique for treating small-branch incorporated aneurysms.
To evaluate clinical and angiographic outcomes following this specific endovascular approach.

Main Methods:

Retrospective evaluation of 14 small-branch incorporated aneurysms (12 unruptured, 2 ruptured) in 12 patients treated between February 2007 and October 2011.
The coil-protected embolization technique was employed in all cases.
Clinical and angiographic data were analyzed for safety and effectiveness.

Main Results:

Successful treatment of all aneurysms with no procedural complications.
Immediate post-treatment angiography showed complete or near-complete occlusion in 12 aneurysms and incomplete occlusion in 2.
Two patients experienced delayed embolic infarctions but achieved complete or near-complete recovery (modified Rankin Scale scores of 0 or 1).
Mean follow-up of 21 months revealed sustained occlusion in 11 of 11 aneurysms with available imaging, with one minor neck recurrence.

Conclusions:

The coil-protected embolization technique is a feasible and effective treatment option for small-branch incorporated aneurysms.
The technique demonstrates a favorable safety profile and high rates of successful aneurysm occlusion.