No shinkei geka. Neurological surgery
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We report a case of blood blister-like aneurysm(BBA)on the posterior wall of the internal carotid artery(ICA)causing subarachnoid hemorrhage(SAH). A 45-year-old man suffering from SAH(WFNS grade 5)was referred to our hospital. 3D-CT angiography showed a BBA on the posterior wall of the ICA. The aneurysm had been enlarged for a few days. ⋯ To our knowledge, BBA on the posterior wall of the ICA is rare. Radical surgery with bypass should be performed as soon as possible when the BBA is found to regrow. We discuss the clinical characteristics with a review of the literature.
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Case Reports
[A case with Stanford type A acute aortic dissection that presented with consciousness disturbance and hemiparesis].
The patient was a 63-year-old female who had a past history of hypertension. She suddenly complained of agonizing pain and became comatose soon thereafter. Upon admission, she was in a state of shock, with upper airway obstruction and a coma. ⋯ The pathological examination showed that the arterial dissection occurred in the layer of elastic fiber, and the minimum arterial thickness of the medial layer was 0.2mm. The patient improved after the operation and her neurological deficits disappeared completely 13 days after operation. Brain and spinal MRI 15 days after the operation showed no abnormality.
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To evaluate the usefulness of transcranial motor evoked potential(MEP)monitoring for aneurysm surgery. ⋯ Intraoperative transcranial MEP monitoring is useful for predicting motor function after aneurysm surgery.