[Treatment by angioplasty of obstructions of arteriovenous fistulas for hemodialysis access].

The angioaccess for chronic hemodialysis is often complicated by obstructing lesions. Recently, angioplasty has been introduced as a treatment of choice for these lesions. Seven patients with obstructed arteriovenous fistulas have been treated with angioplasty on an outpatient basis. In all cases a definite raise in flux values occurred. In two patients a restenosis appeared respectively 6 and 9 months after the dilatation. These new stenosis were successfully treated by means of angioplasty. No complications occurred because of the procedure. The average follow-up was 8 months (max 12 months).