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  • Title: B-flow and color Doppler sonography findings in iatrogenic carotid-jugular arteriovenous fistula.
    Author: Clevert DA, Kubisch C, Weckbach S, Frey U, Stock K, Reiser M.
    Journal: Clin Hemorheol Microcirc; 2010; 44(1):19-25. PubMed ID: 20134089.
    Abstract:
    We describe the case of a 66-year-old woman with an aortic valve reconstruction. Subsequently she presented with an arteriovenous fistula (AVF) between the left common carotid artery and internal jugular vein following several attempts of jugular catheter insertion. Due to aliasing, correct visualization of the fistula track was hindered by conventional color Doppler. However, by using the B-flow imaging technique, the fistula track could be detected without aliasing or overwriting. Duplex examination revealed an AVF between both vessels with an arterialized waveform in the left jugular vein and a high-velocity turbulent flow inside the fistula. Due to these findings we will change our routine scanning protocol for extracranial vessels and will use B-flow in indistinctive or difficult conditions to obtain additional informations.
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