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  • Title: Intravenous 3-Dimensional Digital Subtraction Angiography During Surgical Treatment of Intracranial Aneurysm.
    Author: Kan I, Kato N, Otani K, Abe Y, Ishibashi T, Murayama Y.
    Journal: World Neurosurg; 2019 Jun; 126():533-536. PubMed ID: 30862577.
    Abstract:
    BACKGROUND: Although intraarterial 3-dimensional digital subtraction angiography (ia-3DDSA) using an angiographic C-arm system is still the gold standard for postoperative confirmation of surgical clipping of intracranial aneurysms, ia-3DDSA requires catheterization and intraarterial injection of contrast medium, which adds risks to the surgical procedure and takes time. We propose a less invasive acquisition of 3D digital subtraction angiography with intravenous injection (iv-3DDSA) in the hybrid operating room to confirm the results of surgical clipping immediately after surgery. CASE DESCRIPTION: A 56-year-old woman was diagnosed with an incidental wide-necked aneurysm located at the distal anterior cerebral artery. We performed surgical clipping. During the surgery, indocyanine green video angiography and Doppler ultrasonography were used for confirmation, and after the surgery iv-3DDSA and ia-3DDSA were performed with the angiography C-arm system in the hybrid operating room while the patient was still under anesthesia. We could confirm that there was no neck remnant left and that the parent vessels were patent on both iv-3DDSA and ia-3DDSA images. The image quality of iv-3DDSA was sufficient for all treatment evaluations and offered the additional benefits of visualizing the whole angioarchitecture including the contralateral side, being less invasive, and requiring only a few minutes until the availability of images. CONCLUSIONS: Iv-3DDSA can be useful for postsurgical confirmation of clipping of aneurysms in the hybrid operating room.
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