Anterior Cerebral Artery Reconstruction

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Abstract
Anterior cerebral artery end-to-end, end-to-side, and side-to-side anastomoses and grafting procedures including bypass and interposition using segments of the posterior cerebral artery harvested from the same specimen were performed. The reconstruction procedures were accomplished experimentally with the A1 and A2 segments of the anterior cerebral artery. the recurrent artery of Heubner (RAH), and the orbitofrontal and frontopolar arteries in end-to-end or end-to-side anastomosis to the A1 segment. Side-to-side anastomoses between both A2 or A3 segments were completed without difficulty. We utilized the anatomical and experimental reconstruction data in the performance of three surgical procedures for aneurysms in this area. An A1 to A2 end-to-end anastomosis, an A2 to A2 end-to-side anastomosis, and an end-to-end anastomosis of the RAH were performed with no technical difficulties or complications. This study shows the feasibility of these microvascular reconstruction procedures in the anterobasal part of the interhemisphere, where cerebral aneurysms frequently develop.

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