Performance characteristics of retrograde single-balloon endoscopy: A single center experience

Table 1 Patient characteristics and pre-procedural characteristics n (%)

Factor	Value
Age (yr)	57.5
Female	69 (50.7)
Outpatient	110 (80.9)
Pre-procedural imaging	88 (64.7)
Indication
Gastrointestinal bleeding	55 (40.4)
Suspected or known CD	29 (21.3)
Abnormal imaging	43 (31.6)
Other	9 (6.6)
ASA classification
Class I	8 (5.9)
Class II	109 (80.1)
Class III	19 (14.0)

CD: Crohn’s disease; ASA: American Society for Anesthesiologists.

Table 2 Procedural characteristics and findings

Factor	Value
Anesthesia
Monitored anesthesia care	103 (75.7)
Conscious sedation	28 (20.6)
General anesthesia	5 (3.7)
Fluoroscopy	5 (3.7)
Time to completion (min)	41.7 (15.5)
Insertion depth
Quantitative (cm)1	68.3 (39.3)
Qualitative
Distal ileum	29 (51.8)
Mid ileum	17 (30.4)
Proximal ileum	5 (8.9)
Distal jejunum	4 (7.1)
Mid jejunum	1 (1.8)
Findings
Ulcer	22 (31.9)
Angioectasia	8 (11.6)
Erosion	3 (4.3)
Stricture	12 (17.4)
Polyp	14 (20.3)
Inflammation	9 (13.0)
Other	6 (8.7)

¹As measured from the ileocecal valve. Values presented as mean (SD) for time and quantitative depth, and n (%) otherwise.