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目的 :观察过氧化氢内镜下喷洒在上消化道出血的内镜下诊断和治疗中的意义。方法 :将上消化道出血而行胃镜检查的病人 87例随机分为两组 ,检查中一组喷洒过氧化氢 (试验组 ) ,一组喷洒生理盐水 (对照组 )。结果 :试验组中视野清晰的病人有19例 ( 4 5 2 % )。而对照组中则为 13例 ( 2 8 9% ) ,二者相比有显著差异 (P <0 0 5 )。对于活动性出血患者试验组中有 18例经喷洒后止血 ,占总数的 62 1%。对照组中则仅有 5例经喷洒后止血 ,占总数的 12 8% ,二者相比有极显著差异 (P <0 0 1)。结论 :过氧化氢内镜下喷洒能清洁视野 ,有助于上消化道出血部位的判断并且有一定的止血作用。
Objective: To observe the significance of endoscopic injection of hydrogen peroxide in endoscopic diagnosis and treatment of upper gastrointestinal bleeding. Methods: Eighty-seven patients with upper gastrointestinal bleeding underwent gastroscopy were randomly divided into two groups. One group was sprayed with hydrogen peroxide (test group) and one group with normal saline (control group). Results: There were 19 patients (45 2%) with clear vision in the test group. Compared with 13 (29.9%) in the control group, showing significant differences between the two groups (P <0.05). In the active bleeding group, 18 patients were sprayed to stop bleeding, accounting for 62.1% of the total. In the control group, only 5 patients were sprayed to stop bleeding, accounting for 12.8% of the total. There was a significant difference between the two groups (P <0.01). Conclusion: Endoscopic hydrogen peroxide spray can clean the field of view, contribute to the judgment of upper gastrointestinal bleeding site and have some hemostatic effect.