Digital subtraction angiography of peripheral vascular bypass procedures

Without premedication or special preparation, digital video subtraction angiography, also known as photoelectronic intravenous angiography, was effectively used for evaluating patients who had undergone peripheral vascular reconstructive procedures. Thirty-eight studies in 20 patients were performed using computer contrast enhancement after an intravenous injection. Patency of arterial grafts was thereby evaluated, thus obviating further routine angiography. Graft patency, even of small complex graft sites, was easily recognized. Occlusions were also readily identified. Patient acceptance was excellent since the procedure is almost painless and can be done on an outpatient basis. The technique is fast, safe, and less expensive than routine angiography.
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				T. Sakurai, I. Yamada, and T. Ohta Flow Velocity Measurement Using Digital Subtraction Angiography for Hemodynamic Evaluation in Arterial Occlusive Disease Angiology, November 1, 1986; 37(11): 846 - 854. [Abstract] [PDF]