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目的:分析用国产金属内支架置入来治疗直肠、乙状结肠恶性狭窄时在临床应用上的价值。资料与方法:24例直肠、乙状结肠恶性狭窄患者,在x线透视下,采用介入放射学方法置入24枚国产网格式镍钛记忆合金内支架。结果:24例患者成功置入支架24枚,14例解除肠梗阻后行病变根治切除,7例远处转移患者和3例吻合口狭窄患者术后能进食、能排便,生活、生存质量明显改善提高。结论:采用介入放射方法用国产金属内支架置入,对不能及时手术直肠、乙状结肠恶性狭窄和术后吻合口狭窄有立竿见影的作用,是一种安全、有效的治疗方法。
OBJECTIVE: To analyze the clinical value of using domestic metal stents to treat malignant stenosis of rectum and sigmoid colon. MATERIALS AND METHODS: Twenty-four patients with malignant stenosis of rectum and sigmoid colon underwent x-ray fluoroscopy with 24 domestic-made nickel-titanium memory alloy stents. Results: Twenty-four patients were successfully placed in the stent, 14 patients underwent radical resection after the ileus was relieved, 7 patients with distant metastasis and 3 patients with anastomotic stenosis were able to eat, defecation, life and quality of life improved significantly improve. Conclusion: It is a safe and effective method to treat the rectum, sigmoid colon malignant stricture and postoperative anastomotic stricture by interventional radiotherapy with domestic metal stent.