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Korean J Gastrointest Endosc. 2004 Sep;29(3):107-113. Korean. Original Article.
Cho KB , Jang BK , Park KS , Chung WJ , Hwang JS , Ahn SH , Kim GC , Kwon JH , Cho CM .
Department of Internal Medicine, Keimyung University College of Medicine, Korea.
Department of Radiology, Keimyung University College of Medicine, Korea.
Department of Internal Medicine, Kyungpook National University, Daegu, Korea.

BACKGROUND/AIMS: Sometimes, the endoscopic stent insertion may be done without fluoroscopic guidance. This study was performed to evaluate the difference in success rate of endoscopic stent insertion with or without fluroscopic guidance. A total of hundred and sixty three patients with upper gastrointestinal obstruction were included. METHODS: The group I comprised 82 patients in which the stent insertion was done without fluoroscopy. The group II included 81 patients in which stent was inserted under the fluoroscopy. RESULTS: The locations of obstruction are at esophagus and cardia (group I /group II, 44/40 patients), at pylorus and duodenum (15/34 patients) and at post-operative stenosis of gastro-jejunal anastomosis (23/7 patients). The statistical difference of success rate were not found between the two groups [79/82 (96.3%) in group I, 80/81 (98.2%) in group II, p=0.620]. Among group I, three patients (3.7%) were failed due to incomplete guidewire insertion. These patients were the two cases of jejunal stenosis of esophago-jejunal anastomosis and one case of duodenal obstruction with carcinomatosis peritonei. However, in these cases, the stents were successfully inserted under the fluoroscopic guidance. CONCLUSION: The success rate of the endoscopic stent insertion with or without the fluoroscopic guidance is not different. But in cases of inaccurate guidewire insertion, especially in patients with pyloric obstruction, the endoscopic stent insertion under the fluoroscopic guidance may be more safe and successful.

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