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Fistula

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Fistula

Fistula
Classification and external resources
Specialty General surgery
MedlinePlus 002365
MeSH D005402

The Latin word fistula (UK or US or ,[1][2] plural fistulas or fistulae or ) literally means tube or pipe.

In

  1. ^ OED 2nd edition, 1989.
  2. ^ Entry "fistula" in Merriam-Webster Online Dictionary.
  3. ^ MedlinePlus Encyclopedia Fistula
  4. ^ Identification of Monarda fistulosa subpage of Discover Life, 2014.
  5. ^ Stephanie Nolen, "Not Women Anymore…" Ms. Magazine, Spring 2005
  6. ^ UNFPA: United Nations Population Fund. Press Release, 22 June 2006. "More Funding Needed to Help Victims of Sexual Violence"
  7. ^ Emily Wax, Washington Post Foreign Service. Saturday, October 25, 2003; Page A01 "A Brutal Legacy of Congo War"

References

See also

As a radical treatment for portal hypertension, surgical creation of a portacaval fistula produces an anastomosis between the hepatic portal vein and the inferior vena cava across the omental foramen (of Winslow). This spares the portal venous system from high pressure which can cause esophageal varices, caput medusae, and hemorrhoids.

In patients with renal failure, requiring dialysis, a cimino fistula is often deliberately created in the arm by means of a short day surgery in order to permit easier withdrawal of blood for hemodialysis.

Therapeutic use

It is important to note that surgical treatment of a fistula without diagnosis or management of the underlying condition, if any, is not recommended. For example, surgical treatment of fistulae in Crohn's disease can be effective, but if the Crohn's disease itself is not treated, the rate of recurrence of fistula is very high (well above 50%).

Surgery is often required to assure adequate drainage of the fistula (so that pus may escape without forming an abscess). Various surgical procedures are commonly used, most commonly fistulotomy, placement of a seton (a cord that is passed through the path of the fistula to keep it open for draining), or an endorectal flap procedure (where healthy tissue is pulled over the internal side of the fistula to keep feces or other material from reinfecting the channel). Treatment involves filling the fistula with fibrin glue; also plugging it with plugs made of porcine small intestine submucosa have also been explored in recent years, with variable success. Surgery for anorectal fistulae is not without side effects, including recurrence, reinfection, and incontinence. High rate of recurrence and more chances of complications like incontinence are always there in fistula surgeries ( Anal Fistula).

In some cases the fistula is temporarily covered, for example a fistula caused by cleft palate is often treated with a palatal obturator to delay the need for surgery to a more appropriate age.

Typically the first step in treating a fistula is an examination by a doctor to determine the extent and "path" that the fistula takes through the tissue.

Treatment for fistula varies depending on the cause and extent of the fistula, but often involves surgical intervention combined with antibiotic therapy.

Treatment

Causes
Category Elaboration
Diseases Inflammatory bowel disease in the form of Crohn's disease, but not ulcerative colitis, are the leading causes of anorectal, enteroenteral, and enterocutaneous fistulas. A person with severe stage-3 hidradenitis suppurativa will also develop fistulas.
Medical treatment Complications from gallbladder surgery can lead to biliary fistula. Radiation therapy can lead to vesicovaginal fistula. An arteriovenous fistula can be deliberately created, as described below in therapeutic use.
Trauma Head trauma can lead to perilymph fistulas, whereas trauma to other parts of the body can cause arteriovenous fistulas. Obstructed labor can lead to vesicovaginal and rectovaginal fistulas. An obstetric fistula develops when blood supply to the tissues of the vagina and the bladder (and/or rectum) is cut off during prolonged obstructed labor. The tissues die and a hole forms through which urine and/or feces pass uncontrollably. Vesicovaginal and rectovaginal fistulas may also be caused by rape, in particular gang rape, and rape with foreign objects, as evidenced by the abnormally high number of women in conflict areas who have suffered fistulae.[5][6] In 2003, thousands of women in eastern Congo presented themselves for treatment of traumatic fistula caused by systematic, violent gang rape that occurred during the country's five years of war. So many cases have been reported that the destruction of the vagina is considered a war injury and recorded by doctors as a crime of combat.[7]
Various causes of fistula include:

Causes

Although most fistulas are in forms of a tube, some can also have multiple branches.

Types
Name Definition
Blind with only one open end
Complete with both external and internal openings
Incomplete a fistula with an external skin opening, which does not connect to any internal organ

Various types of fistulas include:

Types

T: External causes

Congenital preauricular fistula

Q: Congenital malformations, deformations and chromosomal abnormalities

N: Diseases of the urogenital system

  • (M25.1) Fistula of joint

M: Diseases of the musculoskeletal system and connective tissue

Duodeno Biliary Fistula
Abdominal CT with right colocutaneous fistula and associated subcutaneous emphysema.

K: Diseases of the digestive system

J: Diseases of the respiratory system

I: Diseases of the circulatory system

H: Diseases of the eye, adnexa, ear, and mastoid process

Fistulas can develop in various parts of the body. The following list is sorted by the International Statistical Classification of Diseases and Related Health Problems.

Locations

Contents

  • Locations 1
    • H: Diseases of the eye, adnexa, ear, and mastoid process 1.1
    • I: Diseases of the circulatory system 1.2
    • J: Diseases of the respiratory system 1.3
    • K: Diseases of the digestive system 1.4
    • M: Diseases of the musculoskeletal system and connective tissue 1.5
    • N: Diseases of the urogenital system 1.6
    • Q: Congenital malformations, deformations and chromosomal abnormalities 1.7
    • T: External causes 1.8
  • Types 2
  • Causes 3
  • Treatment 4
  • Therapeutic use 5
  • See also 6
  • References 7

In botany, the term is most common in its adjectival forms, where it is used in binomial names to refer to species that are distinguished by hollow or tubular structures. Monarda fistulosa, for example, has tubular flowers;[4] Eutrochium fistulosum has a tubular stem; and Allium fistulosum has hollow or tubular leaves.

Fistulas are generally a disease condition, but they may be surgically created for therapeutic reasons. [3]

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