Complications of anal dilation for acute anal fissure : Diseases of the Colon & Rectum
Anal fissure - Wikipedia
Innovations in chronic anal fissure treatment: A systematic review
Early results of a rotational flap to treat chronic anal fissures. The same study also indicated that GTN may have an effect in decreasing dilation through Advanced in anal sphincter spasm though no improvement of anal score was noted in this study.
The child may still need anal dilations after this surgery for many more weeks, but not as often as before.