Balloon dilation and electrodestruction for colorectal anastomosis strictures

AIM: to assess results of balloon dilatation (BD) and electric destruction (ED) for strictures of colorectal anastomoses.

PATIENTS AND METHODS: the prospective cohort study included 69 patients with colorectal anastomotic strictures. Thirty-two of them underwent endoscopic balloon dilatation, 37 — electric destruction of scar tissue using a spherical monopolar electrode.

RESULTS: the recurrence rate of the anastomotic stricture in the BD group was 3 times higher than after ED (OR = 2.9; 95% CI: 0.7–11.1; p = 0.04). The independent factor of stricture recurrence was the extent of stricture > 11 mm (OR = 11.8; 95% CI: 1,57–123,5; p = 0.02).

CONCLUSION: electric destruction and balloon dilatation are effective and safe methods for strictures of colorectal anastomoses. The independent factor recurrence risk of the stricture was the extent of the scar narrowing more than 11 mm long.

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