Gastroduodenal stent placement

doi:10.3877/cma.j.issn.2095-5782.2024.02.001

Abstract

Abstract:

Gastric outlet obstruction is a preterminal complication of advanced malignancies of the pancreas, stomach, and duodenum. Patients with gastric outlet obstruction experience intractable nausea, vomiting, and anorexia, which may in turn cause electrolyte imbalance, dehydration, and malnutrition. Furthermore, these patients are at constant risk for aspiration and pneumonia. Traditionally, most of these obstructions were treated surgically. Many patients, however, are unfit for bypass surgery because of poor medical condition at initial evaluation. Moreover, it carries a significant rate of morbidity and mortality and is associated with persistent or delayed relief of symptoms and prolonged hospital stay. Balloon dilation, as well as placement of metallic stents, has been applied successfully in patients who are not surgical candidates. In this review article, the indications, the contraindications, techniques, results, and controversies will be discussed.

Key words: Stomach, Duodenum, Neoplasms, Obstruction, Self expandable metallic stents

Kun Yung Kim, Jiaywei Tsauo, Ho Young Song, Jin Young Kim, Hang Yuan, Hongtao Hu, Jin Yoon Chang. Gastroduodenal stent placement[J]. Chinese Journal of Interventional Radiology(Electronic Edition), 2024, 12(02): 97-105.

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