Gastrointestinal and biliary stents

被引:40
作者
Chun, Hoon Jai [1 ]
Kim, Eun Sun [1 ]
Hyun, Jong Jin [1 ]
Kwon, Yong Dae [1 ]
Keum, Bora [1 ]
Kim, Chang Duck [1 ]
机构
[1] Korea Univ, Coll Med, Dept Internal Med, Seoul 136705, South Korea
关键词
Biliary tract; gastrointestinal tract; stents; EXPANDABLE METAL STENTS; PROSPECTIVE RANDOMIZED-TRIAL; GASTRIC OUTLET OBSTRUCTION; MALIGNANT COLORECTAL OBSTRUCTION; UNRESECTABLE PERIAMPULLARY CANCER; PACLITAXEL-INCORPORATED MEMBRANE; ESOPHAGEAL OBSTRUCTION; ENDOSCOPIC PALLIATION; COLONIC OBSTRUCTION; HILAR CHOLANGIOCARCINOMA;
D O I
10.1111/j.1440-1746.2009.06152.x
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
Advances in stent design have led to a substantial increase in the use of stents for a variety of malignant and benign strictures in the gastrointestinal tract and biliary system. Whereas early stents were mostly composed of plastic, the majority of contemporary stents are self-expanding metal stents that are composed of either nitinol or stainless steel. These stents are able to exert an adequate expansile force and, at the same time, are highly flexible and biocompatible. Covered stents have been introduced to minimize tumor ingrowth through the metal mesh but are associated with higher rates for spontaneous migration. This has led to the development of covered stents with uncovered ends and stents with both covered and uncovered layers. Drug-eluting and biodegradable stents are also likely to become available in the near future. Although stents appear to be the preferred form of palliation for some patients with advanced cancer, many patients will benefit from a multidisciplinary approach that usually includes surgeons and oncologists.
引用
收藏
页码:234 / 243
页数:10
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