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KMID : 1005420090110030127
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Journal of Cerebrovascular and Endovascular Neurosurgery
2009 Volume.11 No. 3 p.127 ~ p.133
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Clinical Results of in situ Vascular Reconstruction for the Treatment of Complex Intracranial Aneurysms
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Cho Won-Jin
Kim Tae-Sun
Seo Bo-Ra
Joo Sung-Pil
Kim Jae-Hyoo
Kim Soo-Han
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Abstract
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Objective: Vascular reconstruction is an important part of the treatment of complex intracranial aneurysms. We report our clinical experience using vascular reconstruction techniques without an extracranial arterial stump for the treatment of complex intracranial aneurysms.
Methods: We conducted a retrospective review of five patients who underwent in situ bypasses and two patients who underwent direct neck suture secondary to clip reinforcement for the treatment of complex intracranial aneurysms between January 1999 and May 2008.
Results: Five of the aneurysms were fusiform and the other two were blood blister-like aneurysms (BBAs). Fusiform aneurysms were located at the anterior cerebral artery (ACA) in two patients and the middle cerebral artery (MCA) in three patients. The aneurysms were treated with end-to-side anastomosis after aneurysm excision in three cases and end-to-end anastomosis after aneurysm excision in two cases. Two cases of BBA on the dorsal intracranial artery (ICA) wall were treated by direct suture secondary to the wrapping-clipping method. Follow-up angiography was performed in five patients and revealed patent bypasses in four patients. Follow-up angiography was not performed in two patients due to their poor postoperative condition, and it revealed delayed occlusion due to granuloma formation in one patient with BBA. The patient outcomes were excellent in five patients and poor in two patients whose clinical condition was Hunt- Hess grade V preoperatively.
Conclusion: In situ bypass is an effective alternative to extracranial-intracranial bypass for distally located fusiform aneurysms. In addition, arterial suturing followed by the wrapping-clipping method is a useful technique for fragile aneurysms unamenable to direct clip or encircled clip for true ICA trunk aneurysms. Although technically challenging, this technique of vascular reconstruction without extracranial arterial graft should be considered for appropriate candidates.
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KEYWORD
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aneurysms, in situ, bypass, graft, extracranial-intracranial, suture
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