[Quantitative measurement of peripheral vascular resistance with a cavernous sinus ultrasound instrument (Cavomat)]

The peripheral vascular runoff is a predictor of graft patency especially in the popliteal and peroneal section. Scoring systems of the preoperative angiogram only give qualitative data. Intraoperative measurement allows quantification of peripheral vascular resistance. Here, a perfusion system for caversonography was used.