Failure Factors to Reach the Blind End Using a Short-Type Single-Balloon Enteroscope for ERCP with Roux-en-Y Reconstruction: A Multicenter Retrospective Study
Table 1
Patients’ characteristics.
R-Y with gastrectomy , (%)
R-Y without gastrectomy , (%)
Total ()
Age, (years)
Sex, (%)
Male
101 (83)
20 (57)
121 (77)
Female
21 (17)
15 (43)
36 (23)
Reasons for surgery, (%)
Ulcer of the upper GI tract
3 (2.5)
0 (0)
3 (2)
Malignancy of the upper GI tract
117 (96)
3 (8)
120 (76)
Malignancy of the biliary tract
0 (0)
16 (46)
16 (10)
Biliopancreatic congenital abnormalities
0 (0)
9 (26)
9 (6)
Others
2 (1.5)
7 (20)
9 (6)
Reason for ERCP, (%)
Bile duct stones
83 (68)
20 (57)
103 (65.5)
Carcinoma of the pancreas
5 (4)
1 (3)
6 (4)
Malignancy of the biliary tract
14 (11.5)
0 (0)
14 (9)
IPMN
3 (2.5)
0 (0)
3 (2)
Metastasis of L/n in porta hepatis
8 (6.5)
0 (0)
8 (5)
Stricture of the anastomotic site
0 (0)
12 (34)
12 (7.5)
Others
9 (7.5)
2 (6)
11 (7)
BMI, (%)
<18.5
48 (39)
5 (14)
53 (34)
≥18.5
74 (61)
30 (86)
104 (66)
ASA score, (%)
≤2
82 (67)
28 (80)
110 (70)
≥3
40 (33)
7 (20)
47 (30)
Peritoneal dissemination, (%)
Present
14 (11)
1 (3)
15 (10)
Absent
108 (89)
34 (97)
142 (90)
Number of abdominal operations, (%)
1 time
86 (70)
25 (71)
111 (71)
≥2 times
36 (30)
10 (29)
46 (29)
Surgical records, (%)
Available
80 (66)
18 (51)
98 (62)
Not available
42 (34)
17 (49)
59 (38)
AOSC: acute obstructive suppurative cholangitis; ASA: American Society of Anesthesiologists; BMI: body mass index; CBD: common bile duct; ERCP: endoscopic retrograde cholangiopancreatography; GI: gastrointestinal; IPMN: intraductal papillary mucinous neoplasm; IPNB: intraductal papillary neoplasm of the bile duct; R-Y: Roux-en-Y; SD: standard deviation.
