Table 1.
Studies on bilateral self expandable metallic stent placement in malignant hilar strictures.
| Study | Number of patients | Type of SEMS | Technical success | Functional success | Tumor ingrowth or overgrowth |
Complications (early/late) |
SEMS patency |
|---|---|---|---|---|---|---|---|
| Lee et al. (2007) [15] | 10 | Niti-S | 80% | 100% | 25% | 0%/0% | 217 days |
| Park et al. (2009) [16] | 35 | Bonastent | 94.3% | 100% | 0% | 0%/0% | 150 days |
| Kim et al. (2009) [17] | 34 | Niti-S | 85.3% | 100% | 31% | 10.3%/37.9% | 186 days |
| Chahal and Baron (2010) [18] | 21 | Flexxus | 100% | — | 33.3% | — | 189 days |
| Kogure et al. (2011) [19] | 5 | Niti-S LGD* | 100% | — | 40% | 20%/— | 202 days |
| Kanno et al. (2011) [20] | 20 | Niti-S | 100% | 95% | 30% | 5%/0% | 250 days |
| Hwang et al. (2011) [22] | 30 | Niti-S | 86.7% | 100% | 38.5% | 10%/0% | 176 days |
| Naitoh et al. (2012) [23] | 24 | Niti-S | 100% | 100% | 42% | 4%/8% | 104 days |
| Kim et al. (2013) [24] | 66 | Niti-S | 87.9% | 100% | 34.2% | 12.1%/55.2% | 152 days |
| Current study | 20 | Niti-S | 100% | 100% | 10% | 5%/10% | 210 days |
*Large cell D-type.