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Aortic replacement with composite grafts created with a sutureless intraluminal ringed prosthesis.
M C Oz1, R C Ashton, G M Lemole
1Department of Surgery, Columbia University, College of Physicians and Surgeons, New York, N.Y.
The Journal of Thoracic and Cardiovascular Surgery
|November 1, 1990
Summary
Sutureless grafts required aortic reconstruction in 24% of patients. Composite ringed grafts were used for aortic repair, showing low complication rates and no permanent neurologic or renal deficits.
Area of Science:
- Cardiovascular Surgery
- Vascular Surgery
- Biomedical Engineering
Background:
- Sutureless grafts are utilized in aortic reconstruction.
- A subset of patients required reintervention with composite grafts.
Purpose of the Study:
- To evaluate the outcomes of aortic reconstruction using composite ringed grafts in patients initially treated with sutureless grafts.
- To assess the safety and efficacy of modified composite grafts for complex aortic repairs.
Main Methods:
- Retrospective analysis of 30 patients (24% of 123) who underwent aortic reconstruction with composite ringed grafts between 1980 and 1988.
- Detailed review of graft types, anatomical locations of repair (ascending aorta, aortic arch, descending aorta, thoracoabdominal aorta, abdominal aorta), and operative urgency.
Main Results:
- Aortic reconstruction was performed in 30 patients, with 8 requiring emergency operations.
- No permanent neurologic or renal deficits were observed postoperatively.
- Two operative deaths (7%) occurred, exclusively in patients undergoing aortic arch reconstruction.
- No instances of pseudoaneurysm, graft erosion, migration, or bleeding were reported.
Conclusions:
- Composite grafts offer versatility in length, shape, and material composition for aortic repair.
- The ability to customize sutureless prostheses facilitates rapid aortic repair with reduced anastomotic complications.