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  • Title: Carotid endarterectomy can be safely performed with acceptable mortality and morbidity in patients requiring coronary artery bypass grafts.
    Author: Chang BB, Darling RC, Shah DM, Paty PS, Leather RP.
    Journal: Am J Surg; 1994 Aug; 168(2):94-6. PubMed ID: 8053534.
    Abstract:
    BACKGROUND: Patients undergoing the placement of coronary artery bypass grafts (CABG) with hemodynamically significant carotid artery lesions pose a difficult problem for both cardiac and vascular surgeons. Despite numerous studies, there has been no consensus of opinion as to the proper management of these patients. In numerous series, the combined mortality and perioperative stroke rates in concomitant carotid endarterectomy and CABG procedures have ranged from 8% to 40%. This has made many surgeons consider staging these procedures. METHODS: Retrospective analysis of patients undergoing combined carotid endarterectomies and CABG from 1980 to 1993 were reviewed. Two hundred six procedures were performed in 189 patients. Seventeen patients had bilateral carotid endarterectomy performed with CABG. The average age of our patient population was 66 years, with 123 being male and 66 being female. Seventy-five percent of the patients were asymptomatic with the remainder having transient ischemic attacks, amaurosis fugax, or prior stroke. RESULTS: Operative mortality was 2%, with three of four patients dying of cardiac failure and one of a stroke. A temporary neurologic deficit was seen in 2% of patients, and a permanent neurologic deficit was seen in 2 of 206, or 1%. Thirty shunts were used in this series, mostly in patients with contralateral carotid occlusion. All procedures were performed under general anesthesia with full invasive monitoring. One patient was re-explored for bleeding, and one patient had a temporary hypoglossal palsy. A total of 203 cases had the arteriotomies closed primarily, and 3 required patches. CONCLUSION: In our experience, simultaneous carotid endarterectomy and CABG can be performed with an acceptable mortality and morbidity and does not appear to put the patient at an increased risk. Staging of these procedures may not be necessary in most cases.
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