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AGRI-THE JOURNAL OF THE TURKISH SOCIETY OF ALGOLOGY, vol.28, no.3, pp.155-157, 2016 (Peer-Reviewed Journal)
Horner syndrome is rarely observed in connection with epidural anesthesia. It is characterized by ptosis, enophthalmos, miosis, anisocoria, and conjunctival hyperemia in the affected eye, as well as anhydrosis and flushing on the affected side of the face. It is usually a complication spontaneously resolved without permanent neurological deficits. Intraoral anesthesia; stellate ganglion, cervical or brachial plexus blocks; thoracic, lumbar or caudal epidural anesthesia, and intrapleural analgesia are the main causes for Horner syndrome related to anesthesia. Among other causes of Horner syndrome are head and neck surgery, trauma, and puncture of internal jugular vein. The present case of unilateral Horner syndrome appeared in the aortobifemoral bypass after lumbar spinal-epidural anesthesia.