title: Arteriovenous fistula induced by a peribulbar nerve block.
abstract: Arteriovenous fistula (AVF) of the head and neck region is an uncommon clinical condition that can be of congenital or acquired etiology. We report a case of AVF of the left supraorbital vessels that developed after a peribulbar nerve block was given for cataract surgery.
authors.affiliation: Division of Head and Neck Surgery, Department of Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong, China. edwardto@cuhk.edu.hk
authors.forename: E W
authors.initials: EW
authors.lastname: To
authors.forename: D T
authors.initials: DT
authors.lastname: Chan
mesh_terms: D000368:Aged; D000772:Anesthesia, Local / Q000009:adverse effects*; D000779:Anesthetics, Local / Q000008:administration & dosage / Q000009:adverse effects*; D001164:Arteriovenous Fistula / Q000139:chemically induced* / Q000175:diagnosis; D002387:Cataract Extraction / Q000009:adverse effects; D003937:Diagnosis, Differential; D006801:Humans; D007267:Injections; D018810:Magnetic Resonance Angiography; D008297:Male; D009407:Nerve Block / Q000009:adverse effects*; D009880:Ophthalmic Artery / Q000002:abnormalities*; D009915:Orbit; D012169:Retinal Vein / Q000002:abnormalities*
chemical_list: D000779:Anesthetics, Local