Related Experiment Videos
Microstent-assisted coiling for wide-necked intracranial aneurysms
Marlise Peruzzo dos Santos Souza1, Ronit Agid, Robert A Willinsky
1Department of Medical Imaging, St. Michael's Hospital, University Health Network, Toronto, Ontario, Canada.
Summary
This study shows that using a self-expandable microstent with coiling is a safe and effective minimally invasive treatment for complex wide-necked brain aneurysms. The technique achieved good immediate results with few complications, offering a viable alternative for patients unsuitable for traditional methods.
Area of Science:
- Neurosurgery
- Endovascular Therapy
- Cerebrovascular Disease
Background:
- Wide-necked intracranial aneurysms pose treatment challenges.
- Conventional endovascular coiling has limitations for complex cases.
- Surgical clipping may carry high risks for certain patients.
Purpose of the Study:
- To evaluate the preliminary experience with a self-expandable microstent for intracranial use.
- To assess the technical feasibility, efficacy, and challenges of microstent-assisted coiling.
- To determine the safety and outcomes of this technique for wide-necked aneurysms.
Main Methods:
- Seventeen wide-necked intracranial aneurysms in 18 patients were treated using the Neuroform microstent.
- Treatment involved parallel or sequential stent deployment techniques.
- Angiographic results (complete occlusion, neck remnant, sac remnant) and clinical outcomes (Modified Rankin Scale) were assessed.
Main Results:
- The technique was applied to aneurysms with average dome size 10.2 mm and neck size 5.36 mm.
- Immediate angiographic results showed Class 1 or Class 2 occlusion in 64.8% of aneurysms.
- Favorable clinical outcomes (modified Rankin Scale 0-2) were observed in 88.2% of patients, with no major complications or deaths.
Conclusions:
- Microstent-assisted coiling is a feasible and effective minimally invasive treatment for broad-necked complex aneurysms.
- The technique offers satisfactory immediate obliteration with a low rate of major complications.
- This approach provides a valuable alternative for patients unsuitable for conventional endovascular or high-risk surgical treatments.