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Carotid occlusive disease as a risk factor in major cardiovascular surgery
Insights
Patients undergoing cardiovascular surgery face stroke risks from carotid occlusive disease. Oculoplethysmography (OPG) identified severe stenosis, indicating a 17% stroke risk, warranting intervention.
Area of Science:
- Vascular Surgery
- Neurology
- Cardiovascular Medicine
Background:
- Carotid occlusive disease poses a significant perioperative stroke risk in patients undergoing major cardiovascular surgery.
- Preoperative assessment is crucial for identifying patients at high risk.
Purpose of the Study:
- To evaluate the utility of oculoplethysmography (OPG) in detecting hemodynamically severe carotid occlusive disease.
- To determine the perioperative stroke risk associated with severe carotid stenosis in cardiovascular surgery patients.
Main Methods:
- Oculoplethysmography (OPG) was used to assess 234 cardiovascular surgery patients preoperatively.
- Correlation between OPG findings and perioperative stroke incidence was analyzed.
Main Results:
- A 1% perioperative stroke risk was observed in patients without flow-reducing carotid occlusive disease.
- Patients with internal carotid artery stenosis (>60%) detected by OPG had a 17% stroke incidence.
Conclusions:
- Oculoplethysmography (OPG) is a reliable method for identifying hemodynamically severe carotid occlusive disease.
- Severe carotid stenosis significantly increases perioperative stroke risk, suggesting prophylactic carotid endarterectomy may be beneficial before major cardiovascular surgery.
Abstract:
Carotid occlusive disease in patients undergoing major cardiovascular surgery raises the question of the perioperative risk factor of stroke. We evaluated 234 cardiovascular patients preoperatively by oculoplethysmography (OPG) to detect hemodynamically severe carotid occlusive disease. The perioperative stroke risk without flow-reducing carotid occlusive disease was 1%, in contrast to a 17% incidence of stroke when OPG studies indicated internal carotid artery stenosis of more than 60%. Oculoplethysmography is a reliable indicator of hemodynamically severe carotid occlusive disease with an associated high risk of stroke that warrants prophylactic carotid endarterectomy before major cardiovascular surgery.