Local Epinephrine Injection Improves the Therapeutic Effect of Nd-YAG Laser Treatment of Arterial Peptic Ulcer Bleeding

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Abstract
Nd-YAG laser therapy has been shown to be effective in the treatment of gastrointestinal ulcer bleeding. However, a breakdown by bleeding severity shows that its benefit is doubtful in bleeds classified as Forrest Ia and IIa. In a prospective study, we therefore tested a new therapeutic approach combining epinephrine injection into the bleeding site, with subsequent laser coagulation. Thirty-two patients with Forest Ia and IIa bleeding from gastric or small intestinal ulcers were compared with 51 own historical controls treated by laser coagulation alone. In the combined therapy group, a significantly higher rate of permanent hemostasis was achieved, and mortality and frequency of emergency surgery were significantly reduced. Furthermore bleeding recurrend more rarely and only during the later course of the disease. Finally, following epinephrine injection fewer Forrest IIa ulcer bleeds were reactivated by laser treatment, and all of these bleeds were stopped by further laser coagulation. Overall, our results demonstrate a clear-cut therapeutic improvement when lase coagulation is preceded by local epinephrine injection.