The researchers designed a retrospective study to compare the outcomes of TAE and salvage surgery in patients with peptic ulcers who had failed endoscopic hemostasis.
研究者设计了一个回顾性研究，以比较经内镜止血无效的消化性溃疡出血的患者经动脉栓塞及手术治疗两种方法疗效的差别。
After successful endoscopic hemostasis, rebleeding episodes occur in only 20% of patients.
内镜下成功止血后仅有20%的患者发生再出血。
Results The diagnosis was confirmed in 200 cases, and endoscopic hemostasis succeeded in 189 cases.
结果206例病人有200例明确诊断，189例内镜下止血成功。
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