Does Single-Balloon Enteroscopy Contribute to Successful Endoscopic Retrograde Cholangiopancreatography in Patients with Surgically Altered Gastrointestinal Anatomy?

Table 1

Baseline characteristics of patients in the pre- and post-SBE groups.

	Pre-SBE; (𝑛 = 54)	Post-SBE; (𝑛 = 39)	𝑃 value
Age	72.0 ± 9.3	70.2 ± 13.9	0.98
Sex
Male	37 (68.5%)	28 (71.8%)	0.73
Female	17 (31.5%)	11 (28.2%)
Indications of ERCP
Therapeutic ERCP	45 (83.3%)	31 (79.5%)	0.64
Biliary stones	32	17
Malignant stenosis of the bile duct	13	13
Benign stenosis of the bile duct	0	1
Diagnostic ERCP	9 (16.7%)	8 (20.5%)
Reconstruction surgeries
Billroth II	45 (83.3%)	20 (51.3%)	<0.001
Roux-en-Y gastrectomy	9 (16.7%)	12 (30.8%)
Roux-en-Y choledochojejunostomy	0	7 (17.9%)