"Focusing on Fistula's". A fistula is an abnormal connection between two organs. Abdominal fistulas, which are treated much the same way as a stoma may result from a wide variety of conditions and circumstances. Stomal therapy management of fistula's can be quite challenging and frustrating, but also, ultimately, rewarding. A solid understanding of related anatomy, physiology, and metabolism is required by specialist caregivers, in order to successfully meet these challenges.