Are Lumen-Apposing Metal Stents More Effective Than Plastic Stents for the Management of Pancreatic Fluid Collections: An Updated Systematic Review and Meta-analysis

Table 2

Characteristics of studies included in the meta-analysis (single arm).

Author, year, country	Design	No.	Age	Males	Etiologies	Type of PFC	Dimensions (cm)	Location of PFC	Intervention	Follow-up
Walter et al. [20], 2015, Netherlands	Prospective	61	55	38	Gallstones 19; Alcohol 22; Idiopathic 9; Postsurgical 6; Other 5	PP 15; WON 46	9 median	Head 7; Neck 4; Body 35; Tail 11; Entire 2	Hot-AXIOS  mm,  mm	NA
Gornals et al. [22], 2015, Spain	Retrospective	12	52.5	9	Alcohol 5; Idiopathic 2; Lithiasis 5	WON 13	12.4	NA	AXIOS; mm,  mm	13th month
Shah et al. [3], 2015, international	Prospective	33	53	18	Gallstones 6; Alcohol 6; Postsurgical 4; Idiopathic 15; Other 2	WON 11; PP 22	9	NA	AXIOS  mm,  mm	NA
Rinninella et al. [24], 2015, Italy	Retrospective	93	60	71	Gallstones 28; Alcohol 23; Idiopathic 17; Postsurgical 5; Chronic pancreatitis 13; Other 7	PP 18; WON 75	10 median	NA	Hot-AXIOS  mm,  mm	320th day
Sharaiha et al. [23], 2016, USA	Retrospective	124	54.2	75	Gallstones 59; Alcohol 25; Idiopathic 16; Trauma 6; Autoimmune 4; Other 14	WON 124	10.5	Head 14; Body/tail 110	AXIOS; mm,  mm	4th month
Yoo et al. [25], 2017, USA	Retrospective	25	50	14	Gallstones 10; Alcohol 7; Other 8	PP 3; WON 22	8.2	Head 3; Body/tail 22	AXIOS  mm,  mm	7.8th month
Bekkali et al. [19], 2017, UK	Retrospective	32	57	18	Gallstones 20; Alcohol 3; Other 9	WON 32	15	NA	Hot-AXIOS  mm	NA
Aburajab et al. [27], 2018, USA	Retrospective	24	54	17	Gallstones 8; Alcohol 9; Idiopathic 3; Other 4	PP 24	10	Head 2; Body/tail 22	AXIOS  mm	NA
Adler et al. [28], 2018, USA	Retrospective	80	53.1	48	Gallstone 39; Alcohol 24; Idiopathic 6; Drug 2; Autoimmune 1; Hypertriglyceridemia 8	PP 12; WON 68	11.8	Head 4; Body/tail 76	Cold-AXIOS,  mm,  mm	6th month
Anderloni et al. [29], 2018, Italy	Retrospective	19	64.3	7	Alcohol pancreatitis 2; Gallstone pancreatitis 10; Idiopathic pancreatitis 5; Postsurgical 2	PP 16; WON 3	10.2	NA	Hot-AXIOS  mm,  mm	426.5-day
Yang et al. [30], 2018, USA	Retrospective	122	50.9	79	NA	PP 58; WON 64	10.6	NA	Hot-AXIOS  mm,  mm	84th day
Song et al. [32],2019, Korea	Prospective	34	51.7	26	Gallstones 4; Alcohol 16; Postsurgical 13; Hypertriglyceridemia 1	PP 34	9.23	NA	Niti-S SPAXUS	NA

PFC: pancreatic fluid collections; PP: pancreatic pseudocyst; WON: walled-off necrosis.