Concomitant carotid and coronary artery reconstruction

Area of Science:

• Cardiovascular Surgery
• Cerebrovascular Surgery
• Interventional Cardiology

Background:

• Patients undergoing coronary artery bypass surgery (CAB) often present with co-existing carotid artery disease.
• The optimal management strategy for patients requiring both procedures remains a subject of investigation.
• Carotid stenosis can significantly increase the risk of perioperative stroke in patients undergoing cardiac surgery.

Purpose of the Study:

• To evaluate the safety and efficacy of concomitant carotid endarterectomy (CE) and coronary artery bypass surgery (CAB) compared to CAB alone.
• To assess perioperative outcomes, long-term survival, and symptom improvement in patients undergoing combined versus isolated CAB procedures.

Main Methods:

• A retrospective analysis of 68 patients who underwent concomitant carotid endarterectomy and coronary artery bypass surgery (CECAB) from 1974-1981.
• Comparison with a matched control group of 84 patients who underwent coronary artery bypass surgery (CAB) alone during the same period.
• Data collected included patient demographics, preoperative conditions, surgical procedures, perioperative complications, and long-term follow-up.

Main Results:

• No hospital mortality was observed in the CECAB group.
• Perioperative myocardial infarction (MI) occurred in 2.0% and stroke with residual deficit in 1.3% in the CECAB group.
• Cumulative survival was 98.5% at two years, with 92% reporting improvement or elimination of anginal symptoms.
• No significant differences were found between the CECAB and CAB alone groups in terms of sex, angina, ventricular function, coronary anatomy, perioperative stroke or MI, mortality, or postoperative activity.
• Older age and less complete coronary revascularization were noted in the CECAB group.

Conclusions:

• Concomitant carotid endarterectomy and coronary artery bypass surgery can be performed with acceptable risk and comparable results to coronary artery bypass surgery alone.
• The study supports the simultaneous correction of significant carotid stenosis in patients undergoing coronary artery bypass surgery.
• This combined approach effectively addresses both coronary and cerebrovascular disease, improving patient outcomes.