The PTFE Y-graft: One Year Experience in 21 Patients.

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Abstract
21 patients had aortoiliac reconstructions for aortic aneurysms or occlusive disease with the new PTFE Y-graft during the past 12 months. 2 patients in the aneurysm group with additional renal artery reconstruction suffered postoperative myocardial infarction and subsequently died. 2 patients older than 80 years died after aneurysm repair in cause of graft infection, respectively respiratory insufficiency. All grafts (n = 17) are functioning well or did so until death of the patient (n=4). The obvious advantage of the PTFE Y-graft is the fact, that there is no need of preclotting. Suture line — even using 4-0 material at the proximal anastomosis — and graft body is absolutely tight and no blood loss has to be expected from this site. However positioning of the left limb of the y-graft can be difficult in patients with right sided extraperitoneal approach and proximal side end anastomosis. Performing an end-end anastomosis can overcome this problem. For occlusion of the prosthesis limbs two vascular clamps on each side are needed to control blood flow within the rather stiff graft. Immediate and short term function is excellent. There was no material specific complication noted until now. Further longterm experience is necessary to evaluate the definitive quality of this new prosthetic material after some years.

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