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Review Papers

Fissure-In-Ano, to Divide or Not to Divide?

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Pages 215-220 | Received 02 Nov 1998, Accepted 28 Mar 1999, Published online: 16 Nov 2020
 

Abstract.

Anal fissure is one of the most common and painful proctological pathologies affecting mainly young individuals. The physiopathology in the development of a chronic anal fissure seems to be a combination of internal anal sphincter hypertonia and poor vascularization at the posterior midline. Treatment of acute fissures is conservative with supportive therapy, leading to healing in the majority of the patients. Open or closed lateral internal sphincterotomy is the treatment of choice for chronic anal fissures. In low pressure chronic fissures, sphincterotomy should be avoided and a V-Y island advancement flap may be an alternative procedure. Sphincterotomy can induce anal incontinence, a feared complication of this technique. Recent interest has developed in chemical sphincterotomy with local botulin toxin injections or glyceryl trinitrate application. Long-term follow-up is needed to evaluate these new therapeutic options.

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