The High-Flow Type A Carotid-Cavernous Fistula (CCF) is the direct communication between the cavernous segment of the internal carotid artery (ICA) and the cavernous sinus. Its most frequent etiology is trauma, more commonly occurring in males. Clinically, it is characterized by the Dandy triad of hyperemia, exophthalmos, and ocular bruit. The described case involves a male patient who presented with a classic high-flow CCF, underwent coil embolization, showed a satisfactory response in the first three months of follow-up, and subsequently experienced symptom recurrence, indicating a case of recurrent CCF due to spiral coil displacement within the cavernous sinus.
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Mageste et al. (2024) studied this question.
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