Electrocautery vs non-electrocautery dilation catheters in endoscopic ultrasonography-guided pancreatic fluid collection drainage

Table 1 Baseline characteristics of the patients in the electrocautery and non-electrocautery groups

	Electrocautery group (n = 15)	Non-electrocautery group (n = 13)	P value
Age: mean ± SD, yr	60 ± 14	64 ± 14	0.4891
Sex: male/female, n	12/3	11/2	0.8602
Type of PFC, n (%)			0.6152
WON	4 (27)	6 (46)
Pancreatic pseudocyst	6 (40)	4 (31)
ANC	4 (27)	3 (23)
APFC	1 (6)	0
Location of PFC, n (%)			0.9762
Head	3 (20)	3 (23)
Body-tail	11 (73)	9 (69)
Head-body-tail	1 (7)	1 (8)
Diameter of PFC, mean ± SD, cm	7.2 ± 3.1	9.9 ± 3.7	0.0611
Infected PFC, n (%)	13 (87)	10 (77)	0.8602

¹Mann-Whitney U test;

²χ² test. PFC: Pancreatic and peripancreatic fluid collection; WON: Walled-off necrosis; ANC: Acute necrotic collection; APFC: Acute peripancreatic fluid collection.

Table 2 Procedural outcomes of the patients in the electrocautery and non-electrocautery groups

	Electrocautery group (n = 15)	Non-electrocautery group (n = 13)	P value
Technical success, n (%)	15 (100)	13 (100)
Puncture tract, n (%)			0.9421
Transgastric	14 (93)	13 (100)
Transduodenal	1 (7)	0
Drainage method, n (%)			0.8961
Internal and external drainage	14 (93)	11 (85)
External drainage	1 (7)	2 (15)
Clinical success, n (%)	10 (67)	9 (69)	0.7941
Procedure time, mean ± SD, min	30 ± 12	52 ± 20	< 0.0012
Adverse events, n			0.9421
Free air	0	1
Procedure-related death, n	0	0
Additional procedure, n			0.7941
EUS-TD	0	1
Endoscopic fistulous drainage	0	1
Endoscopic necrosectomy	5	1
Surgical necrosectomy	0	1

¹χ² test;

²Mann-Whitney U test. EUS-TD: Endoscopic ultrasonography-guided transmural drainage.