Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. May 21, 2015; 21(19): 5950-5960
Published online May 21, 2015. doi: 10.3748/wjg.v21.i19.5950
Table 1 Published data on cannulation via the minor papilla
Ref.YearNo.Cannulation procedureSuccess (%)Complication (%)
1819846Blunt tipped needle catheter83.30
119866Flexible Seldinger wire with a dilator and papillotome1000
19198718Needle-tipped catheter or 0.018 inch guidewire72.94.2
111990136Tapered or needle-tipped catheter + secretin (35% patients)911.5
20199219Tapered catheter with 0.018 inch guidewire83NA
2200025Tapered catheter with 0.018 or 0.02 inch guidewire73.50
3200224Tapered catheter with 0.018 inch guidewireNA38
2320036Contour catheter with 0.025 or 0.035 inch wire (rendezvous technique)1000
15200314Methylene blue + needle tipped catheter with 0.018 inch guidewire85.77.1
16200328Synthetic porcine secretin89.30
4200411Catheter with 0.025 inch guidewire (including rendezvous technique), needle-knife to minor papilla fistulotomy90.90
212006184Tapered or metal tip catheter with 0.018 or 0.025 inch guidewireNA8.2
6200857Tapered cannula with a guidewire + secretin (10% patients)8611.7
17200964Pull-sphincterotome with 0.018-0.035 inch guidewire (wire-guided cannulation) + secretin (17% patients)8526.5
22201025Tip sphincterotome with a 0.025 inch guidewire (physician-controlled wire-guided cannulation)9612
8201334Tapered catheter with or without 0.025 inch guidewire804.5
9201348Tapered cannula and a 0.025 or 0.035 inch guidewire97.92.0
10201345Tapered-tip or needle-tip catheters, short-nose pull-sphincterotomes, and 0.018-0.035 inch guidewires91.916.1
Table 2 Patient data
Basic clinical datan
Total number of patients74
Patients that received therapeutic ERCP70
Patients that received diagnostic ERCP4
Total cannulation procedures via minor papilla104
Only using standard method179 (56 cases)
Using needle-knife after failure of standard method Using needle-knife at start and standard methods later214 (14 cases) 11 (4 cases)3
Age (yr)40.5 ± 21.8
Children and adolescents (age < 18 yr) (female)16 (11)
Adults (female)58 (22)
Clinical indications for cannulation procedures
Pancreatitis33
Chronic recurrent pancreatic-type pain without enzyme elevation37
Biliary disease2
Definite or suspected pancreatic mass2
Diagnoses
Chronic pancreatitis13
Pancreas divisum17
Chronic pancreatitis and pancreas divisum40
Intraductal papillary mucinous neoplasms4
Follow-up
Patients who received therapeutic ERCP70
Patients who received therapeutic ERCP and were followed up67 (95.7%)
Follow-up period (months)29.0 ± 22.2
Follow-up results4
Improved49
Cured3
Same7
Worse or much worse5
Table 3 Endoscopic retrograde cholangiopancreatography interventions and complications n (%)
Sphincterotome1 (n = 85)Needle-knife2 (n = 19)P value
ERCP procedures in female cases32 (37.7)11 (57.9)0.105
Minor papilla sphincterotomy493 (57.7)10 (52.6)0.690
Dilation25 (30.5)4 (21.1)0.578
Stents53 (61.0)11 (57.9)0.796
ENPD tubes21 (24.7)4 (21.5)1.000
Stents + ENPD tubes74 (87.1)15 (79.0)0.468
Stone extraction and clearance of Santorini’s duct18 (21.2)2 (10.5)0.355
Retrieving of migrated duct stents11-
Recorded cannulation time (min)45.5 ± 4.07.3 ± 5.10.5053
Post-ERCP complications4 (4.7)2 (10.5)0.301
Table 4 Cannulation procedures in adolescents and adults n (%)
Adolescents1(n = 30)Adults(n = 74)P value
Cannulation with needle-knife5 (16.7)14 (18.9)0.788
Stents20 (66.7)44 (59.5)0.494
Cannulation failure2 (6.7)6 (8.1)1.000
Post-ERCP complication2 (6.7)4 (5.4)1.000