Abstract
Failure to intubate the caecum occurs in up to 10% of colonoscopies for various reasons. Significant looping or redundant colon is the most common cause1. This commonly precipitates a referral for CT colonography, which has poor sensitivity for flat lesions and lesions under 1cm. Small studies report that device-assisted enteroscopy (DAE) can achieve high caecal intubation rates (2-5). The primary aim of this study is to assess the technical success rate of retrograde DAE (rDAE) in patients with failed colonoscopy at a tertiary referral academic centre. Secondary aims were to describe the diagnoses and interventions, and to identify predictors of technical success.
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