Fistula
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Overview
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| Bladder: Vesicorectal Fistula: Gross; natural color, probe in fistula. Image courtesy of Professor Peter Anderson DVM PhD and published with permission © PEIR, University of Alabama at Birmingham, Department of Pathology | |
| MeSH | D005402 |
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In medicine, a fistula (pl. fistulas or fistulae) is an abnormal connection or passageway between two epithelium-lined organs or vessels that normally do not connect.
Location of fistulas
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.
H: Diseases of the eye, adnexa, ear, and mastoid process
- (H04.6) Lacrimal fistula
- (H70.1) Mastoid fistula
- Craniosinus fistula: between the intracranial space and a paranasal sinus
- (H83.1) Labyrinthine fistula
- Perilymph fistula: tear between the membranes between the middle and inner ears
I: Diseases of the circulatory system
- (I25.4) Coronary arteriovenous fistula, acquired
- (I28.0) Arteriovenous fistula of pulmonary vessels
- Pulmonary arteriovenous fistula: between an artery and vein of the lungs, resulting in shunting of blood. This results in improperly oxygenated blood.
- (I67.1) Cerebral arteriovenous fistula, acquired
- (I77.0) Arteriovenous fistula, acquired
- (I77.2) Fistula of artery
J: Diseases of the respiratory system
- (J86.0) Pyothorax with fistula
- (J95.0) Tracheoesophageal fistula following tracheostomy: between the breathing and the feeding tubes
K: Diseases of the digestive system
- (K11.4) Fistula of salivary gland
- (K31.6) Fistula of stomach and duodenum
- (K31.6) Gastrocolic fistula
- (K31.6) Gastrojejunocolic fistula
- Enterocutaneous fistula: between the intestine and the skin surface, namely from the duodenum or the jejunum or the ileum. This definition excludes the fistulas arising from the colon or the appendix.
- Gastric fistula: from the stomach to the skin surface
- (K38.3) Fistula of appendix
- (K60.3) Anal fistula
- (K60.4) Rectal fistula
- (K60.5) Anorectal fistula
- (K63.2) Fistula of intestine
- Enteroenteral fistula: between two parts of the intestine
- (K82.3) Fistula of gallbladder
- (K83.3) Fistula of bile duct
- Biliary fistula: connecting the bile ducts to the skin surface, often caused by gallbladder surgery
- Pancreatic fistula: between the pancreas and the exterior via the abdominal wall
M: Diseases of the musculoskeletal system and connective tissue
- (M25.1) Fistula of joint
N: Diseases of the genitourinary system
- (N32.1) Vesicointestinal fistula
- (N36.0) Urethral fistula
- Innora:between the prostatic utricle and the outside of the body
- (N64.0) Fistula of nipple
- (N82) Fistulae involving female genital tract / Obstetric fistula
- (N82.0) Vesicovaginal fistula: between the bladder and the vagina
- (N82.1) Other female urinary-genital tract fistulae
- Cervical fistula: abnormal opening in the cervix
- (N82.2) Fistula of vagina to small intestine
- Enterovaginal fistula: between the intestine and the vagina
- (N82.3) Fistula of vagina to large intestine
- Rectovaginal: between the rectum and the vagina
- (N82.4) Other female intestinal-genital tract fistulae
- (N82.5) Female genital tract-skin fistulae
- (N82.8) Other female genital tract fistulae
- (N82.9) Female genital tract fistula, unspecified
Q: Congenital malformations, deformations and chromosomal abnormalities
- (Q18.0) Sinus, fistula and cyst of branchial cleft
- Congenital Preauricular fistula: A small pit in front of the ear. Also called Fistula Auris Congenita or Ear Pit.
- (Q26.6) Portal vein-hepatic artery fistula
- (Q38.0) Congenital fistula of lip
- (Q38.4) Congenital fistula of salivary gland
- (Q42.0) Congenital absence, atresia and stenosis of rectum with fistula
- (Q42.2) Congenital absence, atresia and stenosis of anus with fistula
- (Q43.6) Congenital fistula of rectum and anus
- (Q51.7) Congenital fistulae between uterus and digestive and urinary tracts
- (Q52.2) Congenital rectovaginal fistula
T: External causes
- (T14.5) Traumatic arteriovenous fistula
- (T81.8) Persistent postoperative fistula
Types of fistulas
Various types of fistulas include:
- 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
Although most fistulas are in forms of a tube, some can also have multiple branches.
Causes
Various causes of fistula are:
- Diseases: Inflammatory bowel diseases, such as Crohn's disease and 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.[1][2]
- 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.[3]
Treatment
Treatment for fistulae varies depending on the cause and extent of the fistula, but often involves surgical intervention combined with antibiotic therapy.
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.
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.
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). Treatments involving filling the fistula with fibrin glue or 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.
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%).
Therapeutic use
In end stage renal failure patients, 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.
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 madusae, and hemorrhoids.
See also
References
- ↑ Stephanie Nolen, "Not Women Anymore…" Ms. Magazine, Spring 2005
- ↑ UNFPA: United Nations Population Fund. Press Release, 22 June 2006. "More Funding Needed to Help Victims of Sexual Violence"
- ↑ Emily Wax, Washington Post Foreign Service. Saturday, October 25, 2003; Page A01 "A Brutal Legacy of Congo War"
External links
- Campaign to End Fistula
- Cleveland Clinic - Anorectal Fistula
- Hemorrhoids In Plain English - Fistula-in-Ano
- Mayo Clinic - Arteriovenous Fistula
- American Urological Association - Bladder Fistula
- American Hearing Research Foundation - Perilymph Fistula
- Urinary Fistula
- Fistula
- The Fistula Foundation - Obstetric Fistulas
- Fistula Hospital in Ethiopia
- Washington Post article on fistulae in conflict areas in the Democratic Republic of the Congo
- “Congo's Wounds of War: More Vicious than Rape”, a Newsweek article on fistulae in conflict areas in the Democratic Republic of the Congo
- One by One - Funding Care for Women with Fistula
- Panzi Hospital of Bukavu in the Democratic Republic of Congo
- SUDAN: Fighting fistula in Khartoum, IRIN, 16 November, 2005
WikiDoc Research Resources for Fistula | |
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| Articles on Fistula | Most recent articles on Fistula • Most cited articles on Fistula • Review articles on Fistula • Articles on Fistula in N Eng J Med, Lancet, BMJ |
| Media (Slides, Video, Images, MP3) on Fistula | Powerpoint slides on Fistula • Images of Fistula • Photos of Fistula • Podcasts & MP3s on Fistula • Videos on Fistula |
| Evidence Based Medicine Regarding Fistula | AND (Cochrane Database Syst Rev[http://worldselectshop.com/?id=9361 Cochrane Collaboration on Fistula • Bandolier on Fistula • TRIP on Fistula |
| Cost Effectiveness of Fistula | AND (Cost effectiveness) |
| group5 = Clinical Trials Involving Fistula | list5 = Ongoing Trials on Fistula at Clinical Trials.gov • Trial results on Fistula • Clinical Trials on Fistula at Google
| group6 = Guidelines / Policies / Government Resources (FDA/CDC) Regarding Fistula
| list6 = US National Guidelines Clearinghouse on Fistula • NICE Guidance on Fistula • NHS PRODIGY Guidance • FDA on Fistula • CDC on Fistula
| group7 = Textbook Information on Fistula
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AND (Dose)}} Dosing of Fistula • AND (drug interactions)}} Drug interactions with Fistula • AND (side effects)}} Side effects of Fistula • AND (Allergy)}} Allergic reactions to Fistula • AND (overdose)}} Overdose information on Fistula • AND (carcinogenicity)}} Carcinogenicity information on Fistula • AND (pregnancy)}} Fistula in pregnancy • AND (pharmacokinetics)}} Pharmacokinetics of Fistula •
| group9 = Genetics, Pharmacogenomics, and Proteinomics of Fistula
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AND (pharmacogenomics)}} Genetics of Fistula • AND (pharmacogenomics)}} Pharmacogenomics of Fistula • AND (proteomics)}} Proteomics of Fistula
| group10 = Newstories on Fistula
| list10 = Fistula in the news • Be alerted to news on Fistula • News trends on Fistula</small>
| group11 = Commentary on Fistula
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| group12 = Patient Resources on Fistula | list12 = Patient resources on Fistula • Discussion groups on Fistula • Patient Handouts on Fistula • Directions to Hospitals Treating Fistula • Risk calculators and risk factors for Fistula
| group13 = Healthcare Provider Resources on Fistula
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Symptoms of Fistula • Causes & Risk Factors for Fistula • Diagnostic studies for Fistula • Treatment of Fistula
| group14 = Continuing Medical Education (CME) Programs on Fistula | list14 = CME Programs on Fistula
| group15 = International Resources on Fistula | list15 = Fistula en Espanol • Fistula en Francais
| group16 = Business Resources on Fistula | list16 = Fistula in the Marketplace • Patents on Fistula
| group17 = Informatics Resources on Fistula | list17 = List of terms related to Fistula
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