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A fistula is defined as a communication between two major organs. A Rectovaginal Fistula (RVF) is a tract or hole between the rectum and the vagina. It allows the involuntary passage of faeces from the rectum through the vagina. Watch The Doctors TV: Rectovaginal Fistula explained.
Overview. A fistula is an abnormal communication between 2 epithelialized surfaces, with an enterocutaneous fistula (ECF) being an abnormal communication between the small or large bowel and the skin.An ECF can arise from the duodenum, jejunum, ileum, colon, or rectum.(See the image below.).nteroatmospheric fistula (EAF), a special subset of ECF, is defined as a communication between the gastrointestinal (GI) tract and the atmosphere. It can occur as a complication of damage control laparotomy (DCL) and results in significant morbidity and mortality.