Stroke is a very rare but potential fatal complication of endovenous thermal treatment in patients with a right-to-left shunt. To our best knowledge, there are only two reports in the literature of stroke after endovenous thermal ablation of varicose veins, one after endovenous laser ablation and one after radiofrequency ablation and phlebectomy, both treated conservatively. This report describes a successful lysis in a patient with an ischemic stroke associated with bilateral endovenous heat-induced thrombosis class I after endovenous laser ablation of both great saphenous vein and extensive miniphlebectomy in a patient with an unknown patent foramen ovale.
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