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  • Title: Intra-arterial injection of indocyanine green in cerebral arteriovenous malformation surgery.
    Author: Kono K, Uka A, Mori M, Haga S, Hamada Y, Nagata S.
    Journal: Turk Neurosurg; 2013; 23(5):676-9. PubMed ID: 24101318.
    Abstract:
    Surgical microscope-integrated intraoperative angiography with intra-venous injection of indocyanine green (ICG) has been widely used during bypass or aneurysm surgery. Instead of intra-venous injection of ICG, we describe a case of intraoperative video angiography with intra-arterial injection of ICG in cerebral arteriovenous malformation (AVM) surgery. During the surgery, we injected ICG through a catheter placed in the internal carotid artery in each step. The technique was feasible and useful to distinguish feeders from normal arteries and to observe changes in flow dynamics. Intra-arterial injection of ICG had better phase contrast than intra-venous injection of ICG and better spatial resolution than digital subtraction angiography. Therefore, this technique can be helpful in cerebral AVM surgery.
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