Cardiac allograft aortic dissection: successful repair using a composite valve graft and modified-Cabrol coronary
Anthony D Caffarelli1, James I Fann, Christopher T Salerno
1Department of Cardiothoracic Surgery, Stanford University, Stanford, California 94305, USA.
Insights
A cardiac allograft recipient experienced a rare aortic dissection in the donor aorta. Successful surgical repair using a composite valve graft and modified coronary reconstruction was achieved, marking a significant advancement in managing this complication.
Area of Science:
- Cardiovascular Surgery
- Transplantation Immunology
- Aortic Diseases
Background:
- Cardiac transplantation is a life-saving procedure for end-stage heart failure.
- Complications involving the allograft aorta, though rare, can be life-threatening.
- Aortic root dilation and dissection are potential long-term sequelae after cardiac allografting.
Observation:
- A 55-year-old male, 9 years post-cardiac allograft for ischemic cardiomyopathy, presented with progressive aortic root dilation and worsening aortic insufficiency.
- An incidental finding revealed a chronic type A aortic dissection confined to the donor aorta.
- This represents the sixth reported case of donor aorta dissection post-transplant and the fourth survivor.
Findings:
- The patient underwent successful surgical repair of the donor aortic dissection using standard reoperative techniques.
- This case details the first reported successful repair of a limited donor aorta dissection post-cardiac transplantation.
- The repair utilized a composite valve graft and a modified-Cabrol coronary reconstruction.
Implications:
- This successful repair highlights the feasibility of managing donor aorta dissections in cardiac transplant recipients.
- The use of a composite valve graft and modified-Cabrol technique offers a potential strategy for similar complex cases.
- Improved surgical strategies may enhance outcomes for rare but severe complications following cardiac transplantation.
Abstract:
We report a 55-year-old man, the recipient of a cardiac allograft for ischemic cardiomyopathy 9 years earlier, who presented with progressive aortic root dilation, worsening aortic insufficiency, and an incidentally discovered chronic type A aortic dissection limited to the donor aorta. The patient was taken to the operating room, and the aortic dissection successfully repaired using standard reoperative techniques. This is the sixth case reported in the literature, and only the fourth survivor. To our knowledge, this case represents the first successful repair, of a limited aortic dissection of the donor aorta postcardiac transplantation, using a composite valve graft and modified-Cabrol coronary reconstruction.
