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[Value of intra-arterial digital subtraction angiography in microvascular anastomosis in tissue transplantation].

The technique of selective intraarterial digital subtraction angiography is less time-consuming and requires less contrast medium than conventional angiography thus reducing both the invasiveness and the risk associated with angiography. With this method both the morphology and the functional status of the vasculature can be determined. Anatomic variations in the blood supply which influence the operative technique can thus be known preoperatively and no longer threaten the success of the operation.