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Anal fissure

{{{Name|Anal fissure}}}
[[Image:{{{Image}}}|190px|center|]]
{{{Caption|}}}
ICD-10 {{ICD10
ICD-O: {{{ICDO}}}
ICD-9 {{{ICD9}}}
OMIM }}}
MedlinePlus }}}
eMedicine }}}
DiseasesDB }}}
-K602| 
 ICD9        = 565.0|

}} An anal fissure is an unnatural crack or tear in the anus, usually extending from the anal opening and the midline of the anus.

Inhaltsverzeichnis

  • 1 Causes
  • 2 Symptoms
  • 3 Prevention
  • 4 Treatment
  • 5 External links

Causes

Most anal fissures are caused by stretching of the anal mucosabeyond its capability. Various causes of this fissure include:

  • Straining to defecate, especially if the stoolis hard and dry
  • Severe and chronic constipation
  • Severe and chronic diarrhea
  • Crohn's diseaseand Ulcerative colitis
  • Rough anal sex
  • Anal stretching
  • Insertion of foreign objects into the anus
  • Tight sphinctermuscles
  • Over-excessive anal probing

Anal fissures are common in women after childbirthand in infants.

Symptoms

The symptoms of anal fissure include:

  • Painduring, and even hours after, defecation
  • Visible tear in the anus
  • Bloodin stoolor on toilet paper
  • Constipation

Prevention

In infants under one year old, frequent diaper change can prevent anal fissure. For adults, the following can help prevent fissure:

  • Treating constipation by eating food rich in dietary fiber, avoiding caffeine(which can cause dehydration), drinking a lot of water and taking stool softener
  • Treating diarrheapromptly
  • Lubricating the anal canal with petroleum jelly
  • Avoiding straining or prolonged sitting on the toilet
  • Using a moist wipe instead of perfumed and harsh toilet paper.
  • Keeping the anus dry and hygienic.

Treatment

Most anal fissures are shallow or superficial (less than a quarter of inch or 0.64 cm deep). These fissures self-heal within a couple of weeks. While waiting for the fissure to heal, topical or suppositorycontaining anti-inflammatoryagents and local anaestheticcan be used. Furthermore, treatment used for hemorrhoidsuch as eating a high-fiber diet, using stool softener, taking pain killer and sitz bath can help.

Anal fissures in infants usually self-heal without anything more than frequently changing diapers.

Deep fissures, on the other hand, may require surgery. These painful fissures cut through the sphincter muscle thus making it prone to spasm, which exacerbates the fissure and aborts the healing process. Surgical procedures for deep anal fissure include:

  • Internal lateral sphincterotomy or excisinga portion of the sphincter
  • Anal dilation or stretching of the anal canal is no longer recommended because of the unacceptably high incidence of fecal incontinence

Despite the high success rate of these surgical procedures (~95%), there are potential side effects, which include: risks from anesthesia, infection, anal leakage or fecal incontinence.

Medications such as nitroglycerineand nifedipineointments can relax the sphincter muscle, thus allowing the healing to proceed. Botulinum toxininjection can also be used to relax the sphincter muscle.

External links

  • "Anal Fissure Self Help Page." Accessed December 15, 2005. ‹The templateWeb reference simple has been proposed for deletion here.› 
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Retrieved from "http://en.wikipedia.org/Anal_fissure"



This article is licensed under the GNU Free Documentation License.
It uses material from the http://en.wikipedia.org/wiki/Anal+fissure Wikipedia article Anal fissure.

 
  All text is available under the terms of the GNU Free Documentation License