Off-pump coronary surgery for allograft vasculopathy 8 years after heart transplant
Sebastian Michel1, Ingo Kaczmarek, Andres Beiras-Fernandez
1Department of Cardiac Surgery, Grosshadern University Hospital, LM-University, Munich, Germany.
Insights
This case study details a heart transplant patient who developed coronary artery disease after statin therapy cessation. Off-pump coronary artery bypass surgery was successfully performed, offering a viable treatment option.
Area of Science:
- Cardiology
- Transplant Surgery
- Vascular Surgery
Background:
- Cardiac allograft vasculopathy (CAV) is a primary cause of late mortality following heart transplantation.
- Patients surviving 1 year post-transplant are at significant risk for CAV.
- Discontinuation of lipid-lowering therapy due to adverse effects can accelerate coronary artery disease progression in transplant recipients.
Observation:
- A 59-year-old male heart transplant recipient developed rapid coronary artery disease progression.
- Statin therapy was discontinued 6 years post-transplant due to toxic liver disease.
- The patient presented 8 years after transplant for surgical revascularization.
Findings:
- Off-pump coronary artery bypass (CABG) surgery was successfully performed using novel instrumentation.
- The surgical procedure involved three bypass grafts: LITA to LAD, SVG to OM, and SVG to RCA.
- The patient experienced an uneventful postoperative recovery.
Implications:
- Off-pump CABG is a feasible and safe revascularization strategy for heart transplant recipients with CAV.
- Minimally invasive techniques and advanced cardiac positioning devices facilitate complex cardiac surgeries in post-transplant patients.
- Careful management of cardiovascular risk factors is crucial for long-term outcomes in heart transplant survivors.
Abstract:
Cardiac allograft vasculopathy is a severe complication after heart transplant, and is the major cause of death in patients surviving 1 year after transplant. We present a 59-year-old patient undergoing off-pump, coronary artery bypass surgery, 8 years after heart transplant. Owing to toxic liver disease, the lipid lowering therapy with statins had to be stopped 6 years after transplant, and coronary artery disease developed rapidly within 2 years. Off-pump, coronary bypass surgery was performed using a new, multisuction cardiac positioner; a disposable stabilizer; and a proximal seal system to avoid clamping of the aorta. The patient received 3 bypass grafts: the left internal thoracic artery; to the left anterior descending coronary artery; 1 saphenous vein graft to the marginal branch of the circumflex artery; and 1 saphenous vein graft to the right coronary artery. His postoperative course was uneventful.
