Abstract
A 71-year-old man had a right subclavian artery aneurysm (dimension, 30 × 38 mm) that was adjacent to the right common carotid artery and exceedingly close to the right vertebral artery. The patient had a marked hypoplastic left vertebral artery, dominant right vertebral artery, and an incompletely formed and underdeveloped circle of Willis in the skull. While performing a median sternotomy and supraclavicular incision during the operation, we used temporal shunting for the cerebral perfusion. The subclavian artery aneurysm was resected, and a 10-mm diameter woven Dacron graft was used for reconstructing the subclavian artery. The postoperative course was uneventful, and the patient was discharged from the hospital 18 days after surgery. Temporal shunting for maintaining cerebral perfusion was useful in preventing cerebral ischemia, and the median sternotomy plus supraclavicular incision approach afforded an unobstructed view of the surgical field.
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