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The Albumin-Coated Knitted Dacron Aortic Prosthesis: A Clinical Study

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      Between June 1987 and January 1989, a total of 123 albumin-coated, knitted Dacron aortic prosthetic grafts were used in 120 patients. The aim of this study was to determine the degree of graft impermeability to blood as well as short - and medium-term patency of the graft material. Patients were grouped as follows: group I (64 patients), operation for chronic aortoiliac obliteration; group II (45 patients), operation for abdominal aortic aneurysm; group III (14 patients), operation on the thoracic aorta. Ninety-one bifurcated and 32 albumin-coated grafts were inserted. Abnormal bleeding was seen in five cases but did not lead to any adverse clinical consequences and stopped spontaneously. In group I there were two instances of early thromboses thought to be due to hemodynamic compromise, which were successfully treated surgically. In group III, two patients had early thrombosis due to coagulation disorders. These were treated by thrombectomy and medical therapy. One hundred and fourteen patients (95%) were followed for a mean of 8.2 months (range 1–18 months). Three late complications related to the prosthesis were observed: one patient had a false aneurysm occurring at month 14 and was corrected surgically. Two other patients experienced thrombosis of their graft treated by extraanatomical bypasses. Primary patency at the end of the follow-up period was 93% while secondary patency was 98%. There were no early or late infectious complications. We conclude that albumin-coated Dacron prosthesis is a reliable material for aortic replacement. Intraoperative loss of blood is reduced and short-and medium-term patency is comparable to those of uncoated aortic prosthetic material.

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