A Multicenter, Prospective Study of a New Fully Covered Expandable Metal Biliary Stent for the Palliative Treatment of Malignant Bile Duct Obstruction

Table 4

Comparison to recent publications.

First author	Enrollment	Number of centers	Number of patients	Metal stent type and covering*	Recurrent; biliary obstruction rate	Stent patency at 6 months	Migration rate	Cholecystitis rate	Pancreatitis rate
Costamagna [7]	5 months	6	66	PC WallFlex	6% (4)	94%	3% (2)	5% (3)	2% (1)
Isayama [8]	60 months	4	138	PC Wallstent	21% (29)	—	17% (24)	7% (9)	4% (5)
	11 months	20	141	PC WallFlex	26% (36)	78%	8% (11)	10% (14)	6% (8)
Kullman [9]	34 months	10	200	UC Nitinella	23% (45)	78%	0% (0)	1% (2)	2% (4)
			200	PC Nitinella	24% (47)	74%	3% (6)	1% (2)	3/200
Petersen	6 months	10	55	FC WallFlex	2% (1)	91%	2% (1)	4% (2)	2% (1)
Song [10]	19 months	1	24	Paclitaxel covered SEMS	21% (5)	—	0% (0)	0% (0)	4% (1)
			25	FC SEMS	32% (8)	—	16% (4)	0% (0)	0% (0)
Talreja [11]	41 months	6	260	FC WallFlex	3% (8)	63%	2% (4)	1% (2)	2% (4)
Telford [12]	68 months	4	61	UC Wallstent	18% (11)	90%	0% (0)	5% (3)	2% (1)
			68	PC Wallstent	29% (20)	87%	12% (8)	4% (3)	0% (0)
Tringali [13]	30 months	Unknown (multicenter)	70	PC ComVi	30% (21)	70%	4% (3)	1% (1)	0% (0)

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