Clinical, Manometric, and Ultrasonographic Results of Pneumatic Balloon Dilatation vs. Lateral Internal Sphincterotomy for Chronic Anal Fissure: A Prospective, Randomized, Controlled Trial

Abstract

As lateral internal sphincterotomy, pneumatic balloon dilatation grants a high anal fissure-healing rate but with a statistically significant reduction in postoperative anal incontinence.