Suitable for simple fistulas
- Subanodermal, submucosal, subcutaneous, intersphincteric, and distal transsphincteric fistulas
Principle
- Anteriorly sphincter is thinner for (more so for females)
How to
- Curette the tract to prevent recurrence
- Marsupialise the track to promote healing Mx → how much max sphincter involvement to allow fistulotomy
- Male
- Posterior - 50%
- Anterior - 33%
- Female
- Posterior - 33%
- Anterior - 0% Outcomes
- Recurrence - 5%
- Incontinence - variable, up to 10%
Fistulectomy
- Fistular tissue at the back wall (dorsal part of the fistula´s canal) is also completely removed.