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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Endoscopic treatment for bleeding peptic ulcers: randomised comparison of adrenaline injection and adrenaline injection + Nd:YAG laser photocoagulation.

Forty two patients with haemorrhage from peptic ulcers with visible vessels were enrolled in a randomised study comparing endoscopic haemostasis with adrenaline (1:10,000) injections (adrenaline group) and adrenaline injection + neodymium yttrium-aluminium-garnet (Nd:YAG) laser photocoagulation (adrenaline + laser group). The two groups (21 patients each) were well matched for factors affecting outcome. Surgery was performed for continued haemorrhage uncontrolled by endoscopic treatment or rebleeding after two endoscopic treatments. Haemostasis after one treatment was similar in the two groups: adrenaline 16/21 (76%), adrenaline + laser 18/21 (86%). Haemostasis after two treatments was numerically (0.05 less than p less than 0.10) greater in the adrenaline + laser group: 21/21 (100%) v 18/21 (86%). Three patients (14%) in the adrenaline group underwent uneventful emergency surgery. There were no deaths or procedure related complications in either group. Most bleeds from peptic ulcers with visible vessels can be controlled endoscopically without the need for surgery. Both treatments in this study proved highly efficacious in securing haemostasis. Adrenaline injection treatment seems to be the treatment of choice in view of its simplicity, low cost, and availability. Additional Nd:YAG laser treatment may provide a marginal improvement in efficacy, although a much larger trial would be required to prove this.[1]


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