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Novel and Innovative Hybrid Technique for Type A Aortic Dissection

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Published on: March 28, 2025

[Neck Bridge Stent].

Koichi Arimura¹

¹Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University.

No Shinkei Geka. Neurological Surgery

|February 17, 2026

Summary

This summary is machine-generated.

Neck-bridge stents (NBS) are crucial for treating wide-neck intracranial aneurysms. This review details NBS device characteristics and optimal selection for endovascular aneurysm repair.

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Monitoring the Wall Mechanics During Stent Deployment in a Vessel

Monitoring the Wall Mechanics During Stent Deployment in a Vessel

Published on: May 8, 2012

Area of Science:

Neurosurgery
Interventional Radiology
Biomedical Engineering

Background:

Neck-bridge stents (NBS) remain vital for wide-neck intracranial aneurysm treatment, complementing newer devices like flow diverters.
Available NBS in Japan (Enterprise VRD 2, LVIS/LVIS Jr, Neuroform Atlas) possess unique structural features impacting their use.

Purpose of the Study:

To review the fundamental characteristics of currently available neck-bridge stents in Japan.
To provide practical insights for selecting the optimal NBS based on aneurysm and vessel morphology for endovascular treatment.

Main Methods:

Comparative analysis of structural characteristics (laser-cut vs. braided, open-cell vs. closed-cell) of Enterprise VRD 2, LVIS/LVIS Jr, and Neuroform Atlas stents.
Review of deployment techniques (jailing, trans-cell) and their implications for stent-assisted coiling.
Evaluation of mechanical properties influencing device selection for specific clinical scenarios.

Main Results:

Laser-cut stents facilitate easier deployment and resheathing; braided stents offer higher mesh density for flow modification.
Stent design (open/closed-cell) affects vessel wall apposition and navigability in tortuous anatomy.
Specific devices offer advantages: Enterprise VRD 2 for straightening, LVIS for flow modification/neck coverage, Neuroform Atlas for conformability in curved vessels.

Conclusions:

Understanding NBS mechanical properties and design variations is key to optimal device selection for intracranial aneurysms.
Tailoring NBS choice to aneurysm morphology, vessel tortuosity, and treatment goals (flow modification, branch preservation) improves endovascular outcomes.