Abstract
Although the most common technique of cerebral revascularization is superficial temporal artery to middle cerebral artery bypass, we occasionally encounter a situation in which the ipsilateral superficial temporal artery is not available. Treatment may require several techniques including long vein graft bypass. A 54-year-old man experienced transient ischemic attacks, and cerebral angiography revealed occlusion of the right common carotid artery. Cerebral blood flow study revealed reduced perfusion reserve capacity of the right cerebral hemisphere. We applied an omental free flap to the brain surface using the contralateral superficial temporal vessels as recipient vessels. Cerebral blood flow study revealed improvement of perfusion reserve capacity. Cerebral angiography revealed good collateral circulation from the omentum to the brain. The patient has not experienced a transient ischemic attack, following additional ligation of the occipital artery 13 months after the first operation. Because an omental flap has a long pedicle and its circulation can be monitored easily, this method is safe and as effective as a long bypass graft in a patient such as ours in whom the ipsilateral superficial temporal artery is not available for anastomoses.
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