Most commonly employed treatment for coivocavernous fistula nowadays is :

A i.e. Ballon embolization Treatment of carotid-cavernous fistula is detachable balloon occlusion (balloon embolization)Q of fistula or feeding vessel by transfemoral aery approach It is an abnormal communication between internal carotid aery & cavernous sinus It can be classified on the basis of (a) aetiology (spontaneous and traumatic) (b) haemodynamics (high and low flow) (c) anatomy (direct and indirect) Direct Carotid Cavernous Fistula - Representing 70-90% of all cases - Are high flow shunts - Blood passes through a defect in the wall of the intercavernous poion of the internal carotid aery - Trauma is responsible for 75% of all cases of direct fistula - Presents with classical triad of pulsatile proptosis, conjuctival chemosis and flushing noise in head after head injury Opthalmoplegia mostly d/t involvement of 6t nerve and raised intraocular pressure is also associated.