Transanal polypectomy

Transanal polypectomy, enema with soapy water 2 to 3 hours before surgery. Those who can not get rid of polyps outside the anus should use local anesthesia, saddle anesthesia or castor to relax the anal sphincter. Treatment of diseases: anorectal polyps, large intestine polyps Indication Lower polyps of the rectum. Contraindications There are serious obstacles to the coagulation mechanism. High blood pressure, diabetes, and some bleeding-prone diseases. Preoperative preparation Enema with soapy water 2 to 3 hours before surgery. Surgical procedure 1. Position: chest and knee position, enlarge the anal sphincter. 2. Lift the polyp: If the polyp has pedicles and is close to the anus, you can use the anus mirror to gently clamp it with a long mallet or tissue forceps to propose an anus operation. If the position of the polyp is high or the base is wide, the auto-expandable anoscope can be inserted and the polyp can be lifted in the anus. 3. Resection of polyps: Double wire ligation or suture at the base of the polyp pedicle, cut the pedicle at the distal end of the ligation, and remove the polyps. If the base is wide, the curved hemostatic forceps can be used for longitudinal clamping (the base is removed afterwards. Then, the hemostat is sutured continuously with 2% gut or silk thread, the hemostat is pulled out, the suture is tightened, and the line is returned continuously. Stitch to the starting point, and ligature the ends of the suture to each other. Alternatively, the inner layer and the outer end suture can be directly ligated without sewing the second layer. complication Intestinal wall injury, intestinal perforation Most of the intestinal wall necrosis due to rough operation or excessive electroplating. If found during surgery, you should be admitted to the hospital for surgical repair. 2. Secondary bleeding More than 5 to 7 days after the coagulation block appeared, should be re-rectal microscopic examination, electric bleeding site.