Role of dual red imaging to guide intravariceal sclerotherapy injection of esophageal varices (with videos)

Dual red imaging (DRI) is a novel image-enhanced endoscopy technique that can increase the visibility and predict the depth of esophageal varices (EVs). The recurrence rate of EVs after endoscopic injection sclerotherapy (EIS) reportedly decreases by intravariceal injection of a sclerosant. We evaluated prospectively whether the EIS success rate was increased by DRI compared with the white light (WLI) mode.

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