Objective To evaluate self-expanding metallic stent implantation in relieving the symptoms caused by gastroduodenal malignant obstruction. Methods This study included 31 patients with inoperable gastroduodenal malignant obstruction , presenting clinically severe nausea and recurrent vomiting. Under fluoroscopic guidance, 33 self- expanding metallic stents were implanted in 31 cases. Results Technical success was achieved in all 31 patients. No severe complications occurred. During the following up period, the patients could smoothly take the meal, the nausea and vomiting symptoms were markedly relieved, and the life quality was much improved. Conclusion Metallic stent implantation is an effective and simple means for relieving the symptoms due to inoperble gastric outlet obstruction or postoperative anastomotic stenosis.%目的 经内镜置入金属内支架缓解不能手术的胃十二指肠恶性梗阻患者的症状.方法 31例胃十二指肠恶性梗阻患者均有反复恶心呕吐症状,且不能手术治疗.在透视监视下,使用介入放射学方法置入33个自膨胀式金属内支架.结果 31例患者支架置入均成功,随访期间患者均能进食,呕吐减轻,生活质量提高.无严重并发症发生.结论 金属内支架置入是对胃十二指肠恶性梗阻一种简单、有效的治疗方法,对不能手术的胃出口部狭窄和术后吻合口狭窄有很好的缓解作用.
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