Coronary bypass surgery after renal transplantation

Area of Science:

• Cardiology
• Nephrology
• Transplantation Immunology

Background:

• Patients with end-stage renal disease often develop coronary artery disease.
• Successful renal transplantation can improve cardiovascular risk factors but may not resolve existing coronary artery disease.
• Angina pectoris significantly impacts quality of life in renal transplant recipients.

Observation:

• Three patients with incapacitating angina pectoris underwent aortocoronary bypass surgery after successful renal transplantation.
• All patients experienced initial symptomatic improvement following the procedure.
• One patient also underwent left ventricular aneurysm resection.

Findings:

• Two patients showed objective improvement in exercise tolerance and reduced ischemic ST-T changes on treadmill testing, with mild residual angina.
• One patient remained free of angina but developed congestive heart failure symptoms postoperatively.
• No postoperative complications related to infection or renal function were observed, despite immunosuppressive therapy.

Implications:

• Aortocoronary bypass surgery appears to be a safe and effective option for renal transplant recipients suffering from severe angina pectoris.
• The procedure can lead to significant improvements in cardiac function and exercise capacity.
• Careful patient selection and management are crucial for optimizing outcomes in this complex patient population.