Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 7, 2013; 19(37): 6199-6206
Published online Oct 7, 2013. doi: 10.3748/wjg.v19.i37.6199
Table 1 Patients' characteristics n (%)
Stents16 (50)16 (50)
Male gender7 (44)10 (63)
Age (yr), mean ± SD (range)70 ± 11 (50-85)71 ± 11 (50-84)
Jejunum, n30
Duodenum, n1316
Pancreatic carcinoma, n67
Cholangiocellular carcinoma, n32
Gallbladder carcinoma, n12
Gastric cancer, n32
Colorectal cancer, n20
Breast cancer metastasis, n10
Stenosis due to duodenal ulcer perforation, n03
Balloon dilatation of the stent3 (19)2 (13)
Concomitant biliary drainage9 (56)8 (50)
Table 2 Complications n (%)
ComplicationsSEMScSEMSP value
Duration of procedure (min), median (range)60 (40-121)60 (31-160)0.867
Migration0 (0)9 (56)0.002
Time until migration (d), mean ± SD (range)-30 ± 52 (1-161)NA
Tumor overgrowth3 (19)2 (13)0.725
Tumor ingrowth, n00NA
Time until tumor overgrowth (d), mean ± SD (range)143 ± 95 (39-224)96 ± 105 (22-170)0.572
Overall survival (d), median, range40 (3-275)75 (11-426)0.431
Table 3 Complication rates in small bowel self-expanding metal stents placement in retrospective analyses
StudyPatients, stentsSite of tumor obstructionTumor overgrowthMigrationBleedingPerforation
Costamagna et al[1]202, 212Endoscopic duodenal stenting12.4%1.5%3.0%0.5%
van Hooft et al[2]50, 57Endoscopic stenting for gastric outlet obstruction21.0%4.0%0.0%0.0%
Jeong et al[4]25, 28Gastrojejunostomy, esophagojejunostomy, cSEMS17.0%4.0%0.0%1.0%
Chandrasegaram et al[7]26, 31Endoscopic stenting vs operative gastrojejunostomy12.0%0.0%0.0%0.0%
Jang et al[17]583, 603Peripyloric region, nonperipyloric region, duodenum alone anastomosis (Billroth I, Billroth II), jejunum3.8%NMNM< 1.0%
Kim et al[25]50, 50Endoscopic stenting for malignant gastroduodenal obstructions18.0%10.0%0.0%0.0%
Wong et al[26]6, 6Surgical vs endoscopic palliationNMNMNMNM
Mosler et al[27]36, 52Endoscopic stenting of nonesophageal upper gastrointestinal stenosis11.0%14.0%0.0%6.0%
Kim et al[28]213, 236Malignant gastroduodenal obstruction7.0%4.0%1.0%0.0%
Bang et al[29]134, 132Endoscopic treatment for malignant antropyloric and duodenalcSEMS 5.7%SEMS 19.0%cSEMS 26.4% SEMS 6.3%2.2%< 1.0%
Keränen et al[30]104, 130Endoscopic treatment for malignant gastric outlet obstruction18.0%0.0%0.0%1.9%
Ahn et al[31]47, 52Malignant gastroduodenal obstruction, uncovered SEMS11.0%2.0%0.0%4.0%
Canena et al[32]74, 80Endoscopic stenting for gastric outlet obstruction9.5%0.0%1.4%0.0%
Cha et al[33]85, 85Endoscopic stenting for gastroduodenal obstruction29.0%4.0%4.0%4.0%
Own data20, 32Small bowel/duodenumcSEMS 13.0%SEMS 19.0%cSEMS 56.0%SEMS 0.0%0.0%0.0%