Low anal fistula for surgical excision, need to be given after adequate anesthesia sterilization, find the external and internal opening, incision of the fistula surface skin, excision of the fistula, placement of drainage strips bandage treatment.
1. Anesthesia disinfection: after adequate preoperative preparation (fasting, enema, etc.), epidural anesthesia or general anesthesia, routine field disinfection, laying sterile towels.
2. Finding the internal and external orifices: For those who have an external anal fistula, you can inject methylene blue from the external orifice to find the location of the internal orifice, or use a probe to insert from the external orifice to probe the location of the internal orifice. For the formation of abscesses in the external opening, you need to cut the abscess, and then use the probe to explore the internal opening.
3. Incise the skin on the surface of the fistula and remove the fistula: after inserting the probe into the fistula, incise the skin and subcutaneous tissues on the surface of the fistula and separate the tissues on the surface of the fistula until the fistula is completely excised.
4. placed drainage, bandage: because the anal fistula excision surgery trauma is large, so after removing the fistula, the trauma is placed Vaseline gauze, sterile gauze bandage, the operation is complete.
It is recommended that patients with anal fistula, once found, go to the hospital as soon as possible, after a clear condition, the professional physician according to the condition of the most reasonable treatment program.