Cause of fistula

Fistula is an abnormal connection or tunnel between two epithelial lined organs or vessels that normally do not connect. This is generally the condition of disease, but the fistula operation may be made for therapeutic reasons.

what causes fistula?
Disease: inflammatory bowel disease, such as Crohn's disease and ulcerative colitis, is a major cause of anorectal fistulas, enteroenteral, and enterocutaneous. A person with severe stage of Hidradenitis suppurativa-3 also will develop a fistula.

Medicine: Complications from gallbladder surgery can cause biliary fistula. Radiation therapy can cause vesicovaginal fistula. An arteriovenous fistula can be deliberately created, as described below used therapeutic.

Trauma: head trauma can cause a perilymph fistula, whereas trauma to other parts of the body can cause arteriovenous fistula. obstructed labor can lead to vesicovaginal and rectovaginal fistulae. An obstetric fistula occurs when the blood supply to the tissues of the vagina and the bladder (and / or rectum) is lost during obstructed labor prolonged.

Dead tissue and forms the hole where urine and / or feces pass uncontrollably. vesicovaginal and rectovaginal fistulas can also be caused by rape, in particular gang rape, and rape with foreign objects, as evidenced by an abnormally high number of women in conflict areas who suffer from fistula.

In 2003, thousands of women in eastern Congo are presented herself for treatment of traumatic fistula caused by systematic, violent gang rape that occurred during the country's five-year 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 fighter