Table 2. Summary of the results of our study utilizing fully covered self-expanding metal stents (fcSEMS) for drainage of walled-off pancreatic necrosis (WON).

Study	No. of patients	No. of procedures (by patient)	Etiology	Largest diameter (cm)	Location	Complications	Technical success (%)	Clinical success (%)	With stent (wk)	Follow-up (wk)
Our study	17	13	Gallstone pancreatitis	18.6	1	None	100	88	31, 20, 25, 22, 31, 18	3
–	–	7	Unknown	5.6	Body/tail	Obstructive jaundice or dilated BD			Not inserted	10
–	–	3	ETOH	11.2	Into the gastrohepatic ligament and peripancreatic extending inferiorly along the mesenteric root	Reintervention 9 d later after abdominal pain and fever; reintervention 4 d later after abdominal pain and fever			13, not removed; 4, not removed	1
–	–	8	ETOH	1	Neck	Hematobilia w/procedure on 8 /1 /2013			24, not removed; not removed; not removed	1
–	–	6	Gallstone pancreatitis	11.2	Lobe	None			26	53
–	–	5	Unknown	9.6	Tail	None			63, 63	0
–	–	6	Gallstone pancreatitis	8.2	Body	None			37, 78	18
–	–	6	Gallstone pancreatitis	26	Head	Pseudocyst enlargement and taken to OR for cyst gastrostomy			82, 82, 82, 69	4
–	–	3	Unknown	5.4	Neck	None			55	8
–	–	2	ETOH	11.2	Lesser curvature, behind the stomach	Died 3 d after procedure, made comfort care after ARDS from vent and AKI			Not removed	0
–	–	2	ETOH	1	Perigastric	None			Not removed	0
–	–	6	Gallstone pancreatitis	6.4	Head	None			62	9
–	–	5	Gallstone pancreatitis	4	Head	None			23, 23	6
–	–	4	Unknown	9.2	Posterior to transverse colon, extending superiorly along the spleen	Poor PO intake, fever, nausea, abdominal pain; readmitted 10 d later			13	4
–	–	3	Unknown	6.7	Head	None			Not removed	0
–	–	2	Unknown	4	Pancreatic parenchyma	None			87	6
–	–	3	ETOH	5.2	Tail	None			30, not removed	1

Abbreviations: AKI, acute kidney injury; ARDS, acute respiratory distress syndrome; BD, bile duct; ETOH, ethanol; PO, by mouth.

^*Not mentioned.