10 Fr S-Type Plastic Pancreatic Stents in Chronic Pancreatitis Are Effective for the Treatment of Pancreatic Duct Strictures and Pancreatic Stones
Table 3
Long-term outcomes after stent removal.
Events
EPS success
EPS failure
value
41
18
—
1Follow-up periods (month, median)
26.0
36.0
0.20
Location of stricture
Head/body/head + body/dorsal-duct
12/1/2/2
15/3/0/0
MPD restenosis (%)
17 (41.5)
—
—
2Time to restenosis (days, median)
191
Causes of restenosis
Remaining stones (%)
7 (17.1)
Resumption of alcohol (%)
4 (9.8)
Major papilla restenosis (%)
3 (7.3)
Recurrence of stones (%)
2 (4.9)
Restenting (%)
16 (39.0)
—
Re-placement period (days, median)
260
Complications
Pancreatic abscess
1 (36)
0
Papillary restenosis
1 (359)
0
Liver abscess
1 (37)
0
3Coexisting malignant disease (%)
3 (5.9)
1 (2.9)
0.64
Pancreatic cancer (%)
3 (5.9)
0
(Diagnosed day after 1st EPST, median)
(211)
—
Pharyngeal cancer (%)
0
1 (2.9)
(Diagnosed day after 1st EPST, median)
—
(1613)
1 values: Mann-Whitney test. The following month was counted after the first performance of EPST. 2Counted from the EPS removal day when MPD dilation effect was revealed. 3 values: chi-square test.