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

Table 2

Endoscopes that were chosen for Billroth-II gastrectomy or Roux-en-Y reconstruction patients.

	B-II gastrectomy		R-Y reconstruction
	Pre-SBE; (𝑛 = 45)	Post-SBE; (𝑛 = 20)	Pre-SBE; (𝑛 = 9)	Post-SBE; (𝑛 = 19)
Conventional upper gastrointestinal endoscope (forward-viewing)	40	16	9	2
Duodenoscope (side-viewing)	2	0	0	0
Pediatric colonoscope	0	1	0	4
Push-type enteroscope	3	0	0	0
Single-balloon enteroscope	0	3	0	13