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  • Title: Surgical Management of a Ruptured Dissecting Anterior Cerebral Artery (A2) Aneurysm Utilizing Contralateral Frontopolar for Reconstruction: 2-Dimensional Operative Video.
    Author: Hendricks BK, Spetzler RF.
    Journal: Oper Neurosurg (Hagerstown); 2020 Mar 01; 18(3):E76-E77. PubMed ID: 31828309.
    Abstract:
    Dissecting aneurysms can pose an immense surgical challenge, and intervention often involves high risk for rerupture because of the volatile nature of the fibrin thrombus overlying the rupture site. This patient presented following rupture of a dissecting aneurysm along the A2 segment of the anterior cerebral artery (ACA). The patient underwent a right orbitozygomatic craniotomy, and the aneurysm was approached within the interhemispheric fissure. Manipulation of the aneurysm dome resulted in intraoperative rerupture of the aneurysm, which was controlled by the application of a temporary clip on the parent A2 proximally and distally. Aneurysmectomy of the thin diseased vessel wall was performed. The defect was filled by transecting the frontopolar branch of the ACA and sewing the frontopolar branch onto the aneurysmectomy defect. This provided a suitable patch for the ACA defect. Postprocedural indocyanine green angiography demonstrated patency of the A2 and the anastomosed frontopolar branch. The patient gave informed consent for surgery and video recording. Institutional review board approval was deemed unnecessary. Used with permission from Barrow Neurological Institute, Phoenix, Arizona.
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