Comparison of lumen-apposing metal stents versus endoscopic balloon dilation for the management of benign colorectal anastomotic strictures

Abstract

Background and aims: Limited data exist evaluating lumen-apposing metal stents (LAMSs) with endoscopic balloon dilation (EBD) for the treatment of benign colorectal anastomotic strictures (BCASs). This study compares outcomes of both interventions.

Methods: Patients with left-sided BCAS treated with LAMSs versus EBD were identified retrospectively. The primary outcome was a composite of crossover to another intervention to achieve clinical success or recurrence requiring reintervention.

Results: Twenty-nine patients (11 LAMS and 18 EBD) were identified with longer follow-up in the EBD group (734 vs 142 days; P = .003). No significant differences were found in the composite outcome, technical success, clinical success, or components of composite outcome. With LAMS, there was a nonsignificant trend toward fewer procedures (2.4 vs 3.3; P = .06) and adverse events (0% vs 16.7%; P = .26).

Conclusions: LAMS appears to be as effective as EBD for the treatment of BCAS but may require fewer procedures and may be safer than EBD.