ETIOLOGY OF ACUTE URINARY RETENTION FOLLOWING BENIGN ANORECTAL SURGERY

The etiology of acute urinary retention following benign anorectal sur gery is unknown. We performed bedside urodynamic evaluation on nine pa tients who developed acute urinary retention after benign anorectal su rgery. A bladder contraction was demonstrated in all patients, which s uggests that the retention is due to bladder outlet obstruction and no t bladder acontractility. These findings have important implications f or preventing and treating acute urinary retention following anorectal surgery for benign disease.