Fistula-in-ano in Infants and Children

Treatment of Fistula in ano is conducted according to the institution's treatment guidelines. Silicon seton placement is conducted under general anesthesia. Identification of the FIA is secured by the insertion of a bulb-headed lacrimal probe, on which a silicon vessel loop is attached and pulled through the entire fistulous tract. In case of a perianal abscess, drainage and sphincter-sparing debridement is performed followed by secondary wound healing. The loop is ligated loosely outside the anus without any additional tension to the skin. Duration of placed seton is depending on group assignment and is set to either 4 or 12 weeks.