METHOD FOR TREATING RECTOVAGINAL FISTULA IN CHILDREN AFFECTED WITH RECTAL AND ANAL ATRESIA Russian patent published in 1997 - IPC

FIELD: medicine; proctology. SUBSTANCE: mucosa of rectovaginal fistula is mobilized on side of vagina to distance 2-5 cm in lithotomic position on side of vagina before laparotomy, followed by practising laparotomy in horizontal position. Next surgeon must proceed to mobilizing sigmoid colon and rectum on side of abdominal cavity in order to separate them together with mobilized mucosa of fistula from vagina, followed by forming, with patient in lithotomic position, tunnel in muscles of pelvic fundus and in anal canal muscles. Thereafter, mobilized sigmoid colon and rectum are brought down through tunnel thus-formed, while defect formed in vagina wall is closed by intestines thus-brought down. EFFECT: 1) rectovaginal fistula in sick children can be eliminated without altering vagina sizes and without formation of scars on vagina wall; 2) considerably lower expectancy rate of postoperative complications.