Detection of prosthetic vascular complications: comparison of CT and angiography

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Abstract
The value of CT and angiography to detect complications of prosthetic arterial grafting was compared in 24 patients. There was a total of 27 grafts including 18 aortic or aortofemoral, five femoral-popliteal, two femoral-femoral, and two axillary-femoral reconstructions. Nineteen grafts were uninfected; eight were infected. In the absence of infection, the complications and the percentages detected by the two procedures were as follows: five graft occlusions (CT 80%, angiography 100%), six pseudoaneurysms (CT 100%, angiography 83%), three with perigraft fluid (CT 100%, angiography 0%), and one with pseudointimal hyperplasia (CT 100%, angiography 0%). Seven grafts were normal and without abnormalities on both CT and angiography. In the presence of infection the results were as follows: eight with perigraft fluid (CT 100%, angiography 0%), four with perigraft or intragraft gas (CT 100%, angiography 0%), three pseudoaneurysms (CT 100%, angiography 100%), two open groin wounds (CT 100%, angiography 0%), and t...

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