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[Stenting plus coiling: dangerous or helpful?]
I Wanke1, E Gizewski, A Dörfler
1Institut für Radiologie und Neuroradiologie. isabel.wanke@uni-essen.de
Insights
This study shows that combining stents and platinum coils is a safe and effective option for treating acute ruptured aneurysms, even in complex cases. This endovascular technique achieved high occlusion rates with no neurological complications in nine patients.
Area of Science:
- Neurosurgery
- Interventional Neuroradiology
- Vascular Neurology
Background:
- Acute ruptured aneurysms pose significant risks.
- Traditional treatments like clipping may not be suitable for all aneurysm types.
- Endovascular techniques offer alternative treatment modalities.
Purpose of the Study:
- To assess the procedural safety and efficacy of stent-coil embolization for acute ruptured aneurysms.
- To evaluate the risk associated with this combined endovascular approach.
Main Methods:
- Nine patients with acute subarachnoid hemorrhage (SAH) due to ruptured aneurysms were treated.
- A combination of neurovascular stents and platinum coils was used for embolization.
- Management of complications included GP IIa/IIIb-antagonists, intraarterial Nimotop, Aspirin, and Plavix.
Main Results:
- Complete elimination of six aneurysms (100% occlusion).
- 95% to 99% occlusion in the remaining three aneurysms.
- Transient stent thrombosis and distal vasospasm were successfully managed without neurological deficits.
Conclusions:
- Stent-coil embolization is a viable option for broad-based aneurysms unsuitable for clipping or high-risk neurosurgical intervention.
- This technique can be safely applied during the acute phase of SAH.
- Effective management strategies exist for potential complications like thrombosis and vasospasm.
Purpose:
The purpose of this study was to evaluate the procedural risk of treating acute ruptured aneurysms with a stent-coil combination.
Material And Methods:
Between August 2001 and January 2004 we treated nine acute subarachnoid hemorrhage (SAH) patients with a combination of stents and platinum coils.
Results:
Six aneurysms were 100% eliminated; the residual three aneurysms had a 95% to 99% occlusion. A transient thrombosis in the stent in one patient could be recanalized by intravenous application of ReoPro. In another patient an occlusive vasospasm at the distal end of the stent was successfully treated with intraarterial Nimotop. Neurological complications occurred in none of the patients.
Conclusion:
In broad-based aneurysms which cannot be clipped or in which any neurosurgical treatment presents an unacceptably high risk (posterior circulation and paraophthalmic aneurysms), treatment using a combination of stent and platinum coils might be an option even in the acute phase of an SAH. Platelet aggregation can be treated with Aspirin and Plavix after placement of the first coil, vasospasms with intraarterial Nimotop, and acute stent thrombosis with GP IIa/IIIb-antagonists.
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