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Early experience with a new collagen-impregnated aortic graft
M M Reigel1, L H Hollier, P C Pairolero
1Section of Vascular Surgery, Mayo Clinic, Rochester, Minnesota 55905.
The American Surgeon
|March 1, 1988
Summary
A new collagen-impregnated Dacron graft offers improved pliability and eliminates the need for preclotting, showing promising early results in abdominal aortic replacement surgery.
Area of Science:
- Vascular Surgery
- Biomaterials Science
- Medical Devices
Background:
- Standard Dacron grafts for aortic repair require preclotting and can lose pliability.
- These limitations can impact surgical outcomes and graft performance.
Purpose of the Study:
- To evaluate the early clinical performance of a novel collagen-impregnated double-velour knitted Dacron graft.
- To assess its advantages over traditional Dacron grafts in abdominal aortic replacement.
Main Methods:
- A retrospective review of 590 abdominal aortic replacements using the new graft over 2.5 years.
- Analysis of patient demographics, indications for surgery, perioperative and late complications, and mortality rates.
Main Results:
- The collagen-impregnated graft is blood-impervious, requires no preclotting, and maintains pliability.
- Low perioperative (4.9%) and infrequent late complications, with none directly related to the graft.
- Successful use in diverse cases including aneurysmal and occlusive disease.
Conclusions:
- The collagen-impregnated Dacron graft demonstrates safety and efficacy in early clinical use.
- Its improved pliability and lack of preclotting requirement offer significant advantages.
- Further long-term studies are warranted to confirm sustained benefits.