Related Experiment Video
Updated: May 21, 2026

06:19
A Rat Model of Mild Intrauterine Hypoperfusion with Microcoil Stenosis
Published on: January 7, 2018
Tiny aneurysms treated with single coil: morphological comparison between bare platinum coil and matrix coil
Young Il Chun1, Hong Gee Roh, Woo Jin Choe
1Department of Neurosurgery, Konkuk University School of Medicine, Seoul, Republic of Korea. yichun@kuh.ac.kr
Clinical Neurology and Neurosurgery
|June 29, 2012
Summary
Matrix2 coils showed better long-term results for treating tiny aneurysms compared to platinum coils. Stent-assisted techniques and higher packing density improved occlusion rates in these small brain aneurysms.
Area of Science:
- Neurosurgery
- Interventional Radiology
- Vascular Neurology
Background:
- Tiny aneurysms (<4mm) pose treatment challenges.
- Endovascular coiling is a common treatment modality.
- Assessing outcomes for different coil types is crucial.
Purpose of the Study:
- To evaluate angiographic outcomes of tiny aneurysms treated with single coils.
- To compare the efficacy of platinum, Matrix1, and Matrix2 coils.
- To determine the impact of stent-assisted techniques and packing density.
Main Methods:
- Retrospective analysis of 40 tiny aneurysms (<4mm).
- Treatment with single bare platinum, Matrix1, or Matrix2 coils.
- Angiographic assessment of initial and follow-up occlusion rates.
Main Results:
- Matrix2 coils showed a trend towards better complete occlusion at follow-up compared to platinum coils.
- Complete occlusion rates at follow-up: Platinum (47.6%), Matrix1 (57.1%), Matrix2 (83.3%).
- Stent-assisted technique significantly improved complete occlusion rates (90.0% vs 50.0%, p=0.03).
Conclusions:
- Matrix2 coils appear superior to platinum coils for treating tiny aneurysms.
- Stent-assisted coiling and increased packing density positively influence healing.
- Further research may optimize endovascular treatment for small aneurysms.
Related Concept Videos
Aneurysm II: Clinical Manifestations and Diagnostic Studies
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
Aneurysm I: Introduction
An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...

