Epidemiology and outcome of patients with postoperative abdominal fistula.

Objective: to present the epidemiological profile, incidence and outcome of patients who developing postoperative abdominal fistula.

Methods: This observational, cross-sectional, prospective study evaluated patients undergoing abdominal surgery. We studied the epidemiological profile, the incidence of postoperative fistulas and their characteristics, the outcome of this complication and the predictors of mortality.