Editorial
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastrointest Endosc. May 16, 2012; 4(5): 157-161
Published online May 16, 2012. doi: 10.4253/wjge.v4.i5.157
Table 1 The causes of occluded self-expandable metallic stent
Tham et al 1998Buenoet al 2003Togawa et al 2008Rogart et al 2008Ridtitid et al 2010Cho et al 2011
No. of patients1525929590154583
No. of patients with SEMS occlusion (uncovered/covered)44 (44/0)34 (34/0)40 (40/0)27 (23/4)32 (22/10)77 (30/47)
Tumor ingrowth (%)28 (63.6)20 (58.8)36 (90)19 (70.4)25 (78.1)53 (68.8)
Tumor overgrowth (%)3 (6.8)9 (26.5)3 (7.5)3 (11.1)3 (9.4)9 (11.7)
Sludge/debris (%)8 (18.2)5 (14.7)1 (2.5)5 (18.5)51 (15.6)8 (10.4)
OthersHyperplasia 3---Migration 4Compression/blood clot/migration 7
Undefined 2