Anal fistula natural history, complications and prognosis: Difference between revisions

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{{Anal fistula}}
{{Anal fistula}}
{{CMG}} {{AE}} {{MKK}}
{{CMG}}, {{AE}} {{MKK}}
==Overview==
==Overview==
 
[[Anal fistula]] usually develops in 20-30 years of age and peaks around 40 years. If left untreated, patients with anal fistula may progress to develop the [[perianal abscess]] and [[cancer]]. Common complications of anal fistula include: [[urinary retention]], [[bleeding]], [[perianal abscess]], [[fecal]] [[incontinence]], [[carcinoma]]. Prognosis is excellent after [[surgery]] and recurrence rate is 7-21%.


===Natural History===
===Natural History===
*The symptoms of anal fistulas usually develop in the second and third decade of life and peaks around 40 years.
*The symptoms of anal fistula usually develop in the second and third decade of life and peaks around 40 years.
*If left untreated, patients with anal fistula may progress to develop the perianal abscess and cancer.
*If left untreated, patients with anal fistula may progress to develop the [[perianal abscess]] and [[cancer]].


===Complications===
'''Common complications of anal fistula include:'''
*Common complications of anal fistula include:
*[[Urinary retention]]
**Urinary retention
*[[Bleeding]]
**Bleeding
*[[Perianal abscess]]
**Rectal abscess  
*[[Fecal]]  [[incontinence]]
**Stool incontinence
*[[Carcinoma]]
**Carcinoma


===Prognosis===
===Prognosis===
*Prognosis is generally excellent/good/poor, and the 1/5/10-year mortality/survival rate of patients with [disease name] is approximately [#]%.
*Prognosis is excellent after the [[surgery]].
*Depending on the extent of the [tumor/disease progression/etc.] at the time of diagnosis, the prognosis may vary. However, the prognosis is generally regarded as poor/good/excellent.
*Recurrence rate is 7-21% depending upon the [[anatomy]] and complexity of [[fistula]].<ref name="pmid18626715">{{cite journal |vauthors=van Koperen PJ, Wind J, Bemelman WA, Bakx R, Reitsma JB, Slors JF |title=Long-term functional outcome and risk factors for recurrence after surgical treatment for low and high perianal fistulas of cryptoglandular origin |journal=Dis. Colon Rectum |volume=51 |issue=10 |pages=1475–81 |year=2008 |pmid=18626715 |doi=10.1007/s10350-008-9354-9 |url=}}</ref><ref name="pmid21930996">{{cite journal |vauthors=Abbas MA, Jackson CH, Haigh PI |title=Predictors of outcome for anal fistula surgery |journal=Arch Surg |volume=146 |issue=9 |pages=1011–6 |year=2011 |pmid=21930996 |doi=10.1001/archsurg.2011.197 |url=}}</ref>
*The presence of [characteristic of disease] is associated with a particularly [good/poor] prognosis among patients with [disease/malignancy].
*[Subtype of disease/malignancy] is associated with the most favorable prognosis.
*The prognosis varies with the [characteristic] of tumor; [subtype of disease/malignancy] have the most favorable prognosis.
 
 


==References==
==References==

Latest revision as of 20:25, 13 February 2018

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1], Associate Editor(s)-in-Chief: Manpreet Kaur, MD [2]

Overview

Anal fistula usually develops in 20-30 years of age and peaks around 40 years. If left untreated, patients with anal fistula may progress to develop the perianal abscess and cancer. Common complications of anal fistula include: urinary retention, bleeding, perianal abscess, fecal incontinence, carcinoma. Prognosis is excellent after surgery and recurrence rate is 7-21%.

Natural History

  • The symptoms of anal fistula usually develop in the second and third decade of life and peaks around 40 years.
  • If left untreated, patients with anal fistula may progress to develop the perianal abscess and cancer.

Common complications of anal fistula include:

Prognosis

References

  1. van Koperen PJ, Wind J, Bemelman WA, Bakx R, Reitsma JB, Slors JF (2008). "Long-term functional outcome and risk factors for recurrence after surgical treatment for low and high perianal fistulas of cryptoglandular origin". Dis. Colon Rectum. 51 (10): 1475–81. doi:10.1007/s10350-008-9354-9. PMID 18626715.
  2. Abbas MA, Jackson CH, Haigh PI (2011). "Predictors of outcome for anal fistula surgery". Arch Surg. 146 (9): 1011–6. doi:10.1001/archsurg.2011.197. PMID 21930996.

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