Outcomes of a Single Trigone-Only vs. 20 Trigone-Sparing Injections of OnabotulinumtoxinA for Refractory Overactive Bladder (OAB) – Beyond the Abstract

It is my hypothesis that the trigone, and only the trigone, should be the site of botulinum toxin A (BTA) injection for the treatment of refractory OAB, and the results of this case series¹ reinforce this view.