Colovesical Fistula: Not a Contraindication to Elective Laparoscopic Colectomy

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Abstract
Traditionally, diverticular fistula was thought to be a contraindication for laparoscopic colectomy. The advent of hand-assisted laparoscopy has allowed repair of a diverticular fistula to be technically feasible laparoscopically. We present our experience with laparoscopic colectomy in patients with diverticular fistulas. Patients with colovesical or colovaginal fistulas secondary to diverticular disease were consecutively entered into a database over a five-year period. All operations were electively performed by a single group of colorectal surgeons. Patient demographics, American Society of Anesthesiologists classification, type of surgery, operating time, hospital length of stay, and early and late complications were recovered by chart review. These results were then compared to results from a group of patients who had undergone elective laparoscopic colectomy for recurrent diverticulitis during the same period by the same group of surgeons. Altogether, 40 consecutive operations for diverticular fistulas were performed, 36 of which were started laparoscopically (90 percent). The average patient age was 65 years and the average American Society of Anesthesiologists class was 2. Patient demographics were similar among the group with recurrent diverticulitis (n = 149). The average hospital stay was 6.2 days for the fistula group and 4.4 days in the recurrent diverticulitis group. The average operating time was 220 minutes for the fistula groupvs.176 minutes for the uncomplicated group (PCONCLUSIONS: Diverticular fistula should no longer be considered a contraindication for laparoscopic colectomy. These cases are more complex, as evidenced by the longer operating times and higher conversion rates when compared with resections for uncomplicated recurrent diverticulitis. Although the length of hospital stay was longer for patients who underwent laparoscopic colectomy for diverticular fistula, those whose operations were completed laparoscopically had the same outcome as patients with uncomplicated disease. We anticipate that minimally invasive surgery will become the standard of care for colovesical fistula, as it now is for uncomplicated diverticular disease.

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