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  • Title: A novel method of treating colonic angiodysplasia.
    Author: Suzuki N, Arebi N, Saunders BP.
    Journal: Gastrointest Endosc; 2006 Sep; 64(3):424-7. PubMed ID: 16923494.
    Abstract:
    BACKGROUND: Colonic angiodysplasia is responsible for up to a third of lower-GI bleeding cases. Argon plasma coagulation (APC) is a recognized treatment modality, but active bleeding decreases the ablative efficacy of APC by dissipation of the energy. APC has been associated with colonic perforation. OBJECTIVES: We propose a novel and safe method for the treatment of colonic angiodysplasia by a submucosal injection of a saline epinephrine solution followed by the application of APC. PATIENTS: Three patients with a total of 10 colonic angiodysplasias were treated with this injection-APC method. INTERVENTIONS: Saline adrenaline solution (1:200,000) 2 to 3 mL was injected beneath the angiodysplasia before application of APC. APC 50 W and gas flow 2 L were applied onto the vascular lesion until the sufficient thermal effect was observed. RESULTS: There were no procedure-related complications. CONCLUSIONS: This new injection-APC method was safe for the treatment of colonic angiodysplasia. This may be useful in treating right-sided colonic lesions where the risks of perforation are greater than for the rest of the colon.
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