Intraabdominal arterio-venous fistulae and their relation to portal hypertension.

Background/aims: The aim of the study was to present, on the base of own experience, clinical importance of arterio-venous fistulae involving the vascular system of the abdomen.

Methodology: Clinical material consists of 18 patients in whom abnormal arterio-venous leakage in the abdomen was disclosed by means of imaging diagnostic techniques and Doppler sonographic hemodynamic investigations. Three groups of patients were determined: 1.