A anorectal fistula treatment with acellular extracellular matrix: A new technique

Figure 1 Fistula tract thoroughly cleaned using a blunt curette (A), irrigated with hydrogen peroxide and etronidazole (B), pulled into the primary fistula opening until resistance(C). The AEM is secured at the level of the primary opening using a 2-0 vicryl. The excess of the AEM is trimmed at the level of the secondary opening. Care is taken to avoid complete closure of the secondary opening to allow free drainage of fluid and avoid a closed system.

Figure 2 AEM cut out with a knife for three or four strips.