Table 4: Comparison to recent publications.

First authorEnrollment Number of centers Number of patientsMetal stent type and covering*Recurrent
biliary obstruction rate
Stent patency at 6 monthsMigration rateCholecystitis ratePancreatitis rate

Costamagna [7]5 months666PC WallFlex6% (4)94%3% (2)5% (3)2% (1)

Isayama [8]60 months4138PC Wallstent21% (29)17% (24)7% (9)4% (5)
11 months20141PC WallFlex26% (36)78%8% (11)10% (14)6% (8)

Kullman [9]34 months10200UC Nitinella23% (45)78%0% (0)1% (2)2% (4)
200PC Nitinella24% (47)74%3% (6)1% (2)3/200

Petersen6 months1055FC WallFlex2% (1)91%2% (1)4% (2)2% (1)

Song [10]19 months124Paclitaxel covered SEMS21% (5)0% (0)0% (0)4% (1)
25FC SEMS32% (8)16% (4)0% (0)0% (0)

Talreja [11]41 months6260FC WallFlex3% (8)63%2% (4)1% (2)2% (4)

Telford [12] 68 months 461UC Wallstent18% (11)90%0% (0)5% (3)2% (1)
68PC Wallstent29% (20)87%12% (8)4% (3)0% (0)

Tringali [13]30 monthsUnknown (multicenter)70PC ComVi30% (21)70%4% (3)1% (1)0% (0)

FC: fully covered; PC: partially covered; UC: uncovered.