Endoscopic papillary large balloon dilation in patients with periampullary diverticula

Table 5 Complications of endoscopic papillary large balloon dilation by periampullary diverticula subtype n (%)

	PAD subtype (n = 93)
	Type 1	Type 2	Type 3	P value
	(n = 18)	(n = 41)	(n = 34)
Pancreatitis	1 (5.6)	4 (9.8)	2 (5.9)	0.913
Perforation	0 (0.0)	0 (0.0)	0 (0.0)	NA
Bleeding
Major	0	0	0 (0.0)	NA
Minor	1 (5.6)	2 (4.9)	2 (5.9)	0.930
Hyperamylasemia	0 (0.0)	5 (12.2)	4 (11.8)	0.240
Mortality	0 (0.0)	0 (0.0)	0 (0.0)	NA

Type 1: When major papilla is located inside the diverticulum; Type 2: In the margin of the diverticulum; and Type 3: Outside the diverticulum. EPLBD: Endoscopic papillary large balloon dilation; PAD: Periampullary diverticula; NA: Not applicable.