Are we underestimating urinary retention following intravesical onabotulinumtoxinA in women with overactive bladder and a history of prior pelvic surgery?

Prior urethral sling surgery, prior vaginal prolapse surgery, and positive preoperative UTI, despite treatment, were found to be associated with a higher rate of initiation of intermittent catheterization. The rate of IC initiation of 36% was higher than reported in prior clinical trials.