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To clarify the perioperative stroke risk in patients with carotid stenosis or occlusion having coronary artery bypass graft(CABG)surgery,we retrospectively reviewed the records of 1,022 patients who had CABG during a 2-year period(1992,1993).Our results suggest that while the overall risk of perioperative stroke in CABG surgery is low,the risk is increased in patients with severe extracranial carotid stenosis or occlusion.The role of carotid disease and the mechanism of borderzone infarction in CABG surgery remained unsettled. |
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