“…Only long-term fol low-up of an adequate number of patients, selected ac cording to the same criteria, can bring some insight to the role of surgical treatment in the prevention of chronic pyelonephritis in patients presenting VUR. The results after surgical treatment have been considered satisfactory under all operative techniques employed (2,8), however, complications still continue to occur, such as: obstruc tions, persistent VUR, reflux on the contralateral side, and fistulae.…”