Double-balloon enteroscopy-assisted dilatation avoids surgery for small bowel strictures: A systematic review

Table 4 Overview of endoscopic balloon dilation-associated complications per study

Author	Complications	Type of complication	Complication rate per patient	Complication rate per dilatation	Short-term success2 (%)	Long-term success avoiding surgery2 (%)	Surgery2 (%)	Re-Dilatations23 (%)
Yamamoto et al[13]	NO	NA	0%	0%	6/6 (100)	NR	NR	NR
Pohl et al[16]	NO	NA	0%	0%	9/9 (100)	6/9 (67)	3/9 (33)	2/9 (22)
Ohmiya et al[17]	NO1	NA	0%	0%	22/22 (100)	18/22 (82)	4/22 (18)	3/22 (14)
Despott et al[18]	YES	Perforation (n = 1)	11%	5.6%	8/9 (89)	8/9 (89)	1/9 (11)	2/9 (22)
Hayashi et al[19]	NO	NA	0%	0%	2/2 (100)	NR	NR	NR
Hirai et al[12]	YES	Haemorrhage (n = 1)	12%	12%	48/52 (92.3)	44/52 (85)	8/52 (15)	26/52 (50)
		Acute pancreatitis (n = 1)
		Perforation (n = 1)
		Hyperamylasemia (n = 3)
Gill et al[20]	YES	Perforation (n = 2)	13%	13%	11/14 (79)	11/14 (79)	3/14(21)	1/14 (7)
Irani et al[21]	YES	Perforation (n = 1)	8%	6%	10/12 (83)	10/12 (83)	2/12 (15)	2/12 (15)
Nishimura et al[22]	NO	NA	0%	0%	6/7 (86)	4/7 (60)	3/7 (43)	1/7 (14)
Fukumoto et al[23]	NO	NA	0%	0%	NR	27/31 (87)	4/31 (13)	5/31 (16)
Sunada et al[24]	YES	Perforations (n = 4)	6%	2%	80/85 (94)	64/85 (75)	21/85 (25)	64/85 (75)4
		Bleeding (n = 1)
Kita et al[25]	NO	NA	0%	0%	45/45 (100)	NR	NR	NR
Kroner et al[2]	NO	NA	0%	0%	16/16 (100)	NR	NR	NR
Total		Haemorrhage (n = 1)	4.8%	3%	263/279 (94.3)	192/241 (80)	49/241 (20)	106/241(44)
		Acute pancreatitis (n = 1)
		Perforation (n = 9)
		Hyperamylasemia (n = 3)
		Bleeding (n = 1)

¹No complications mentioned in dilatation-cohort;

²1 patient lost to follow-up;

³Either because of a relapse or as prophylaxis;

⁴No data reported on indication for repeat dilatation and relapse rate. NA: Not applicable; NR: Not reported.