What is the prognosis of anal fissure?

Updated: Dec 15, 2017
  • Author: Lisa Susan Poritz, MD; Chief Editor: John Geibel, MD, DSc, MSc, AGAF  more...
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Answer

Approximately 1-6% of patients have a recurrence of their anal fissure after sphincterotomy. The recurrence rate is higher after a sphincter stretch. If a patient develops a recurrence after a sphincterotomy, it could be from recurrent disease or from an improperly or incompletely performed initial sphincterotomy.

In the event of a recurrence, medical management should be attempted again, but if no relief is obtained, the surgeon must evaluate whether the original sphincterotomy was adequate. Evaluation can be performed by means of palpation during examination under anesthesia or by means of endoanal ultrasonography. If the sphincterotomy was incomplete, it can be completed on the initial side or redone on the opposite side. If the first sphincterotomy was complete, a second sphincterotomy can be completed on the opposite side.


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