Common treatments for anal fistula include blockage method and surgery, and the doctor will choose the most suitable treatment according to different situations.
Plugging method is to use 0.5% metronidazole, saline rinse fistula, and then injected with bioprotein gel from the external port. This method is non-invasive and painless and can be used for simple anal fistula.
The principle of surgical treatment is to incise or excise the fistula to create an open wound that facilitates healing. Surgical treatment includes fistulotomy, hanging thread therapy and anal fistula resection.
1. Fistulotomy: this method is to cut the whole fistula, reveal the lumen, and rely on the growth of granulation tissue to make the wound healing method, applicable to low anal fistula.
2. Hanging wire therapy: this method is the use of rubber bands or corrosive effect of the mechanical compression of the line, slowly cut the fistula method. Applicable to 3-5cm from the anus, there are internal and external mouth simple anal fistula, or as a complex anal fistula auxiliary treatment. Hanging thread therapy is simple, less painful and does not cause serious anal incontinence.
3. anal fistula excision: this method cuts the fistula and excises all the fistula wall to the healthy tissue, the wound is not sutured; if the wound is large, it can be partly sutured and partly open. Applicable to low simple anal fistula or high anal fistula structure in the fistula mature lower part or sphincter outer part.
Complex anal fistula surgical treatment if it is difficult to achieve the desired results, fistula hanging line drainage, with fistula life is also a safe choice, regular review.
Fistula is rarely self-healing, untreated will recur causing rectal perianal abscess or even cancer. It is recommended that patients with anal fistula should go to the hospital in a timely manner, and actively cooperate with the doctor to give suitable treatment.