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Updated: Aug 8, 2026
Optimized System for Cerebral Perfusion Monitoring in the Rat Stroke Model of Intraluminal Middle Cerebral Artery Occlusion
Published on: February 17, 2013
Active cerebral perfusion during carotid endarterectomy
Kazuhito Imanaka1, Masaaki Kato, Masanori Ogiwara
1Department of Cardiovascular Surgery, Saitama Medical School, 38 Morohongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan. imanaka@saitama-med.ac.jp
Insights
This study details a successful surgical approach for a patient with severe carotid artery blockages and coronary artery disease. The technique involved specialized extracorporeal circulation during carotid endarterectomy to maintain brain blood flow.
Area of Science:
- Cardiovascular Surgery
- Neurology
- Vascular Surgery
Background:
- The case involves a patient with critical bilateral internal carotid artery (ICA) stenoses necessitating multivessel coronary revascularization.
- The left ICA diameter significantly exceeded the right, indicating high dependence of cerebral circulation on the left side.
Observation:
- During left ICA endarterectomy, active cerebral perfusion was maintained using extracorporeal circulation.
- Perfusion was administered at 300 mL/min at 23°C directly through the ICA undergoing repair.
Findings:
- The surgical strategy successfully managed simultaneous critical carotid artery stenosis and coronary artery disease.
- Maintaining cerebral perfusion during carotid endarterectomy in a highly dependent left ICA was achieved.
Implications:
- This approach offers a potential solution for complex cases requiring both carotid and coronary interventions.
- The technique highlights the importance of tailored cerebral perfusion strategies in high-risk vascular surgery patients.
Abstract:
A patient with critical stenoses in the bilateral internal carotid arteries (ICA) required multivessel coronary revascularization. The diameter of the left ICA was far greater than the right, which strongly suggested that the cerebral circulation was highly dependent on the left. During left ICA endarterectomy, active cerebral perfusion of 300 mL x min(-1) at 23 degrees C using an extracorporeal circulation was employed through the ICA under repair. Subsequently, coronary bypass was performed on-pump with the heart beating. The postoperative course was very good.
