Key result
Severe carotid stenosis (70-99%) and occlusion were associated with higher perioperative stroke rates (50.0% and 8.0%, respectively) compared to <70% stenosis (4.7%) in patients undergoing CABG.
Why the study?
Does severe carotid stenosis or occlusion increase the risk of perioperative stroke in patients undergoing CABG surgery?
Population
1,022 patients who had coronary artery bypass graft surgery during a 2-year period, of which 224 had…
Comparison
Severe extracranial carotid stenosis or occlusion vs Less than 70% carotid stenosis or no…
Design
Cohort
Follow-up
perioperative
Authors
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Heightened perioperative stroke vigilance warranted with severe carotid stenosis before CABG; leaves open whether intervention improves outcomes.
Cohort (n=1,022)
Does severe carotid stenosis or occlusion increase the risk of perioperative stroke in patients undergoing CABG surgery?
Absolute Event Rate: 50% vs 4.7%
While the overall risk of perioperative stroke in CABG surgery is low, the risk is markedly increased in patients with severe extracranial carotid stenosis or occlusion.
Dashe et al. (1997) conducted a cohort in Coronary artery bypass graft surgery (n=1,022). Severe carotid stenosis (70-99%) or occlusion vs. Less than 70% carotid stenosis was evaluated on Perioperative stroke. Severe carotid stenosis (70-99%) and occlusion were associated with higher perioperative stroke rates (50.0% and 8.0%, respectively) compared to <70% stenosis (4.7%) in patients undergoing CABG.
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