Randomised trial of self-expanding metal stents versus polyethylene stents for distal malignant biliary obstruction

作者: P.H.P. Davids , A.K. Groen , E.A.J. Rauws , G.N.J. Tytgat , K. Huibregtse

DOI: 10.1016/0140-6736(92)92752-2

关键词:

摘要: Self-expanding metal stents are claimed to prolong biliary-stent patency, although no formal comparative trial between plastic and expandable has been done. In a prospective randomised trial, we assigned 105 patients with irresectable distal bile-duct malignancy receive either stent (49) or straight polyethylene (56). Median patency of the first was significantly prolonged in compared those (273 vs 126 days; p = 0.006). The major cause dysfunction tumour ingrowth metal-stent group sludge deposition polyethylene-stent group. Treatment after any occlusion included placement stent. none 14 second occluded, whereas 11 23 (48%) clogged (p 0.002). Overall median survival 149 days did not differ treatment groups. Incremental cost-effectiveness analysis showed that initial results 28% decrease endoscopic procedures. have longer than offer adequate palliation malignant obstruction.

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