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本文报道１９１例上消化道出血患者在急诊胃镜直视下局部止血治疗情况，分为激光组（７４例）、苎麻根组（３２例）和去甲肾上腺素组（８５例），三组治疗都取得比较好的止血效果。其中以激光组止血效果最好，有效率达９８．６％，三组间止血有效率有非常显著差异（Ｐ＜０．０１）。探讨了每种治疗方法的止血机理和作用特点及适应证。
This article reports 191 cases of upper gastrointestinal bleeding in patients undergoing direct endoscopic hemostasis under endoscopy treatment, divided into laser group (74 cases), ramie root group (32 cases) and norepinephrine group (85 cases), three groups of treatment Have achieved better hemostatic effect. Among them, the laser group had the best hemostatic effect with an effective rate of 98.6%. There was a significant difference (P <0.01) in the hemostatic efficiency among the three groups. Hemostasis mechanism and role of each treatment method and indications were discussed.