Ji X, Jia W, Zhao Q, Wang Y, Ma SR, Xu L, Kan Y, Cao Y, Fan BJ, Yang Z. Common bile duct morphology is associated with recurrence of common bile duct stones in Billroth II anatomy patients. World J Clin Cases 2021; 9(26): 7671-7681 [PMID: 34621818 DOI: 10.12998/wjcc.v9.i26.7671]
Corresponding Author of This Article
Zhuo Yang, MD, Chief Doctor, Department of Digestive Endoscopy, General Hospital of Northern Theater Command, No. 83 Wenhua Road, Shenyang 110840, Liaoning Province, China. yangzhuocy@163.com
Research Domain of This Article
Gastroenterology & Hepatology
Article-Type of This Article
Case Control Study
Open-Access Policy of This Article
This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
World J Clin Cases. Sep 16, 2021; 9(26): 7671-7681 Published online Sep 16, 2021. doi: 10.12998/wjcc.v9.i26.7671
Table 1 Patient characteristics
n (%)
Patients
138
Male
107 (77.5)
Age (mean ± SD, yr)
72.3 ± 10.5
PAD
40 (29.0)
CBD diameter (mean ± SD, cm)
1.4 ± 0.6
CBD diameter ≥ 1.2 cm
110 (79.7)
CBD diameter ≥ 1.5 cm
73 (52.9)
Largest CBD stone diameter ≥ 1.2 cm
68 (49.3)
CBD stone number ≥ 2
56 (40.6)
Muddy stones
20 (14.5)
Initial ampullary intervention
EST
8 (5.8)
EPBD/EPLBD
79 (57.2)
ESBD
28 (20.3)
CBD morphology
Straight type
69 (50.0)
S type
22 (15.9)
Polyline type
47 (34.1)
Cholecystectomy
8 (5.8)
Procedure time (mean ± SD, min)
38.3 ± 19.5
Table 2 Characteristics of patients with and without common bile duct stone recurrence
Recurrence (n = 27)
Non-recurrence (n = 111)
P value
Sex (male/female)
21/6
86/25
0.97
Age (mean ± SD, yr)
71.9 ± 10.2
72.4 ± 10.6
0.82
PAD, n (%)
12 (44.4)
28 (25.2)
0.05
CBD diameter (mean ± SD, cm)
1.5 ± 0.6
1.4 ± 0.4
0.29
CBD diameter ≥ 1.2 cm, n (%)
27 (100.0)
83 (74.8)
< 0.01
CBD diameter ≥ 1.5 cm, n (%)
23 (85.2)
50 (45.0)
< 0.01
Largest CBD stone diameter ≥ 1.2 cm, n (%)
14 (51.9)
54 (48.6)
0.77
CBD stone number ≥ 2, n (%)
13 (48.1)
43 (38.7)
0.37
Muddy stones, n (%)
4 (14.8)
16 (14.4)
1.00
Initial ampullary intervention, n (%)
EST
2 (7.4)
6 (5.4)
1.00
EPBD/EPLBD
15 (55.6)
64 (57.7)
0.84
ESBD
6 (22.2)
22 (19.8)
0.78
CBD morphology, n (%)
< 0.01
Straight type
4 (14.8)
65 (58.6)
S type
12 (44.4)
10 (9.0)
Polyline type
11 (40.7)
36 (32.4)
Cholecystectomy, n (%)
3 (11.1)
5 (4.5)
0.39
Procedure time (mean ± SD, min)
44.9 ± 22.7
36.7 ± 18.4
0.05
Table 3 Characteristics of patients with different common bile duct morphologies
Straight type (n = 69)
S type (n = 22)
Polyline type (n = 47)
P value
Sex (male/female)
49/20
18/4
40/7
0.19
Age (mean ± SD, yr)
72.6 ± 10.9
71.8 ± 10.6
72.0 ± 10.0
0.93
PAD: n (%)
20 (29.0)
9 (40.9)
11 (23.4)
0.33
CBD diameter (mean ± SD, cm)
1.5 ± 0.5
1.8 ± 0.6
1.6 ± 0.5
< 0.01
CBD diameter ≥ 1.2 cm, n (%)
49 (71.0)
22 (100.0)
39 (83.0)
< 0.01
CBD diameter ≥ 1.5 cm, n (%)
32 (46.4)
16 (72.7)
25 (53.2)
0.10
Largest CBD stone diameter ≥ 1.2 cm, n (%)
32 (46.4)
10 (45.5)
26 (55.3)
0.59
CBD stone number ≥ 2, n (%)
27 (39.1)
13 (59.1)
16 (34.0)
0.13
Muddy stones, n (%)
12 (17.4)
2 (9.1)
6 (12.8)
0.68
Initial ampullary intervention, n (%)
EST
3 (4.3)
2 (9.1)
3 (6.4)
0.62
EPBD/EPLBD
39 (56.5)
14 (63.6)
26 (55.3)
0.80
ESBD
15 (21.7)
3 (13.6)
10 (21.3)
0.78
Cholecystectomy, n (%)
3 (4.3)
2 (9.1)
3 (6.4)
0.62
Procedure time (mean ± SD, min)
34.9 ± 15.7
49.1 ± 27.8
38.4 ± 18.6
0.07
Table 4 Characteristics of patients with single recurrence and multiple recurrences
Single recurrence (n = 20)
Multiple recurrences (n = 7)
P value
Sex (male/female)
15/5
6/1
1.00
Age (mean ± SD, yr)
72.7 ± 8.9
69.4 ± 13.8
0.48
PAD, n (%)
11 (55.0)
1 (14.3)
0.09
CBD diameter (mean ± SD, cm)
1.9 ± 0.4
2.0 ± 0.8
0.73
CBD diameter ≥ 1.2 cm, n (%)
20 (100.0)
7 (100.0)
CBD diameter ≥ 1.5 cm, n (%)
18 (90.0)
5 (71.4)
0.27
Largest CBD stone diameter ≥ 1.2 cm, n (%)
9 (45.0)
5 (71.4)
0.39
CBD stone number ≥ 2, n (%)
10 (50.0)
3 (42.9)
1.00
Muddy stones, n (%)
4 (20.0)
0 (0.0)
0.55
Initial ampullary intervention, n (%)
EST
2 (10.0)
0 (0.0)
1.00
EPBD/EPLBD
11 (55.0)
4 (57.1)
1.00
ESBD
4 (20.0)
2 (28.6)
0.63
CBD morphology, n (%)
1.00
Straight type
3 (15.0)
1 (14.3)
S type
9 (45.0)
3 (42.9)
Polyline type
8 (40.0)
3 (42.9)
Cholecystectomy, n (%)
3 (15.0)
0 (0.0)
0.55
Procedure time (mean ± SD, min)
45.8 ± 17.0
42.4 ± 36.0
0.82
Follow-up period (mean ± SD, yr)
19.0 ± 10.6
20.1 ± 7.7
0.80
Table 5 Risk factors for common bile duct stone recurrence
Factor
β
OR (95%CI)
P value
β
OR (95%CI)
P value
PAD
0.55
1.74 (0.61-4.95)
0.30
Procedure time
0.01
1.01 (0.98-1.03)
0.84
CBD diameter ≥ 1.5 cm
1.82
6.15 (1.87-20.24)
< 0.01
Model 1
Model 2
CBD morphology
< 0.01
< 0.01
Straight type
Reference
-1.60
0.20 (0.06-0.70)
0.01
S type
2.82
16.79 (4.27-66.09)
< 0.01
1.22
3.38 (1.07-10.72)
0.04
Polyline type
1.60
4.97 (1.42-17.38)
0.01
Reference
Citation: Ji X, Jia W, Zhao Q, Wang Y, Ma SR, Xu L, Kan Y, Cao Y, Fan BJ, Yang Z. Common bile duct morphology is associated with recurrence of common bile duct stones in Billroth II anatomy patients. World J Clin Cases 2021; 9(26): 7671-7681