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  • Title: [CT angiography-based simulation of the surgical approach in early operation for ruptured aneurysm].
    Author: Wang ZF, Liao DG, Zhang TY, Yang JF, Liu F.
    Journal: Nan Fang Yi Ke Da Xue Xue Bao; 2009 Dec; 29(12):2492-4, 2496. PubMed ID: 20034910.
    Abstract:
    OBJECTIVE: To simulate the surgical approaches for intracranial aneurysms using three-dimensional CT angiography (3D-CTA) and assess the value of 3D-CTA in early microneurosurgery for ruptured intracranial aneurysms. METHODS: Forty-eight patients with spontaneous subarachnoid hemorrhage due to ruptured intracranial aneurysm were confirmed by early operation. All the patients were classified according to Hunt-Hess, including 11 of grade I, 29 of grade II, and 8 of grade III. CTA was performed before the operation and surgical simulation was conducted. The preoperative findings on CTA and the intraoperative findings were compared and the clinical value of cerebral 3D-CTA was analyzed. RESULTS: Pre-operative 3D-CTA clearly displayed the location, size and shape of the aneurysms, the axis direction of the aneurysm apex and the width of aneurysm neck. The spatial relation between the parent aneutysm artery, the aneurysm, the peripheral vessels and the bony structures were also demonstrated. These findings were basically consistent with the intraoperative findings. The Glasgow outcome score was 5 in 41 patients, 4 in 4 patients, 3 in 2 patients, and 2 in 1 patient upon discharge from the hospital. CONCLUSIONS: Preoperative 3D-CTA examination can simulate the surgery for ruptured aneurysms to help improve the surgical success rate.
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