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  • Title: Comparison of hemostatic efficacy for argon plasma coagulation and distilled water injection in treating high-risk bleeding ulcers.
    Author: Wang HM, Hsu PI, Lo GH, Chen TA, Cheng LC, Chen WC, Lin CK, Yu HC, Chan HH, Tsai WL, Wang EM, Lai KH.
    Journal: J Clin Gastroenterol; 2009; 43(10):941-5. PubMed ID: 19448567.
    Abstract:
    GOALS AND BACKGROUND: Endoscopic treatment is recommended for initial hemostasis in nonvariceal upper gastrointestinal bleeding. Many endoscopic devices have been demonstrated to be effective in the hemostasis of bleeding ulcers. However, the hemostatic efficacy of argon plasma coagulation (APC) has not been widely investigated. STUDY: From February 2007 to February 2008, 271 consecutive patients with high-risk bleeding ulcers, characterized by active bleeding, nonbleeding visible vessels and adherent clots, were admitted to our hospital. Among these patients, 135 nonrandomly underwent either APC therapy or distilled water injection. Pantoprazole infusion was conducted during the fasting period after endoscopy and orally for 8 weeks to encourage ulcer healing. Episodes of rebleeding were retreated with endoscopic combination therapy. Patients who did not benefit from retreatment underwent emergency surgery. RESULTS: In all,135 patients were enrolled, among whom 6 with gastric malignancy, acute severe illness or multiple bleeding sites were excluded. Finally, hemostatic efficacy in 59 patients treated with APC was prospectively compared with 70 patients treated with distilled water injection. The two treatment groups were similar with respect to all baseline characteristics. Initial hemostasis was accomplished in 57 patients treated with APC, and 64 patients with distilled water injection therapy (97% vs. 91%, P=0.29). Bleeding recurred in 6 patients treated with APC, and in 17 patients treated with distilled water injection (11% vs. 27%, P=0.03). No significant differences were observed between the 2 groups in hospital stay, transfusion requirements, surgery and mortality. CONCLUSIONS: Endoscopic therapy with APC is more effective than distilled water injection for preventing rebleeding in the treatment of high-risk bleeding ulcers.
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