Carotid-cavernous fistula. Intravascular treatment with a self-sealing detachable balloon.

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Abstract
Traumatic carotid-cavernous fistulas (5) were treated using a new self-sealing, detachable, silicone-rubber balloon, as part of a balloon-catheter system and a modified technique for positioning the balloon. The fistulas were occluded successfully in 4 patients; in a 5th patient, a small fistula persisted. In each instance, the internal carotid artery flow was preserved. The flexible balloon-catheter system can be guided via the blood flow and still not require a coaxial catheter for detachment. Moreover, the flexibility of the balloon and catheter resulted in easy positioning through a tortuous internal carotid artery.

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