the new principles applied include : early surgery as soon as the fistula is recognized , no excision of the fistulous tract to avoid retraction and bleeding of the margins as well as to provide protection of the ureteric orifices , closure of the intact fistula in two layers , rotation and advancement of the vaginal flap to cover the fistula avoiding overlapping of suture lines , and finally assurance of adequate bladder decompression with both a suprapubic tube and an urethral catheter .
C0153614
of the ureteric orifices
C0005682
bladder