Spontaneous thrombosis and complete disappearance of traumatic carotid-cavernous fistulas after angiography

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Abstract

Traumatic carotid-cavernous fistula (TCCF) is a direct shunting fistula due to a tear in the cavernous portion of the internal carotid artery (ICA). Spontaneous thrombosis of the high-flow shunts in TCCFs is extremely rare. Most cases are treated using endovascular embolization to relieve the clinical presentations. We report 2 unusual cases of TCCF with spontaneous closure of fistulas at intervals of 2 and 10 days, respectively, after diagnostic angiograms. The possible mechanisms of spontaneous healing of the fistulas in these patients with minor head injury and small fistulas were presumed to be a transient decrease in fistula blood flow because of irritation of and/or subtle injury to the ICA by contrast media and/or catheter during diagnostic angiogram, with thrombosis formation at the fistula. ©2005 Elsevier. All rights reserved.

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Luo, C. B., Teng, M. M. H., Chang, F. C., & Chang, C. Y. (2005). Spontaneous thrombosis and complete disappearance of traumatic carotid-cavernous fistulas after angiography. Journal of the Chinese Medical Association, 68(10), 487–490. https://doi.org/10.1016/S1726-4901(09)70080-2

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