Fully covered metal vs plastic stents after failed endoscopic retrograde cholangiopancreatography: Impact on residual stones

doi:10.4240/wjgs.120524

Advanced Search

BPG is committed to discovery and dissemination of knowledge

Home / Archive / Volume 18, Issue 6

This Article

(1)

(0)

(1)

Peer-Review Report of This Article

CrossCheck and Google Search of This Article

Academic Rules and Norms of This Article

Citation of this article

Corresponding Author of This Article

Research Domain of This Article

Article-Type of This Article

Open-Access Policy of This Article

Times Cited Counts in Google of This Article

Journal Information of This Article

Publication Name

World Journal of Gastrointestinal Surgery

ISSN

1948-9366

Publisher of This Article

Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Cohort Study

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastrointest Surg. Jun 27, 2026; 18(6): 120524
Published online Jun 27, 2026. doi: 10.4240/wjgs.120524

Table 1 Baseline characteristics before propensity score matching, mean ± SE or n (%)

Variable	Group P (n = 47)	Group M (n = 30)	P value	SMD
Age (years)	64.62 ± 2.64	69.70 ± 1.58	0.620	0.62
Gender			0.475
Female	25 (53.19)	17 (56.66)
Male	22 (46.81)	13 (43.33)
Stone size (cm)	1.35 ± 0.88	1.48 ± 0.89	0.348	0.35
Stone count	1.85 ± 0.12	1.83 ± 0.17	0.737	0.22

SMD: Standardized mean difference.

Full Size Table

Table 2 Baseline characteristics after 1:1 propensity score matching, mean ± SE or n (%)

Variable	Group P (n = 24)	Group M (n = 24)	P value	SMD
Age (years)	67.1 ± 7.2	68.3 ± 6.9	0.582	0.09
Gender			0.625
Female	14 (58.33)	15 (62.50)
Male	10 (41.67)	9 (37.50)
Stone size (cm)	1.44 ± 0.82	1.46 ± 0.85	0.835	0.03
Stone count	1.84 ± 0.15	1.86 ± 0.14	0.379	0.04

SMD: Standardized mean difference.

Full Size Table

Table 3 Clinical outcomes and complications before propensity score matching, mean ± SE or n (%)

Variable	Group P (n = 47)	Group M (n = 30)	P value
PEP	4 (8.51)	2 (6.66)	0.462
Amylase level (U/L)	405.17 ± 124.96	251.55 ± 73.62	0.300
Bleeding	2 (4.25)	1 (3.33)	0.066
Residual stone	14 (29.79)	3 (10.00)	0.036^a
Repeat stenting required	8 (17.02)	0 (0.00)	0.015^a
ERCP duration (minutes)	30.47 ± 1.05	29.9 ± 1.23	0.705

^aP < 0.05 was considered statistically significant.

PEP: Post-endoscopic retrograde cholangiopancreatography pancreatitis; ERCP: Endoscopic retrograde cholangiopancreatography.

Full Size Table

Table 4 Clinical outcomes and complications after propensity score matching, mean ± SE or n (%)

Outcome	Plastic (n = 24)	Metal (n = 24)	P value
PEP	1 (4.16)	1 (4.16)	1.000
Amylase level (U/L)	418.237 ± 136.81	269.53 ± 76.12	0.290
Bleeding	1 (4.16)	1 (4.16)	1.000
Residual stone	6 (25.00)	2 (8.33)	0.041^a
Repeat stenting required	5 (16.7)	0 (0.00)	0.020^a
ERCP duration (minute)	31.52 ± 2.01	30.63 ± 1.93	0.638

^aP < 0.05 was considered statistically significant.

PEP: Post-endoscopic retrograde cholangiopancreatography pancreatitis; ERCP: Endoscopic retrograde cholangiopancreatography.

Full Size Table

Table 5 Multivariate logistic regression analysis for residual stone formation

Variable	OR	95%CI	P value
Metal stent	0.31	0.11-0.98	0.039
Stone size	1.73	1.44-3.17	0.041

Full Size Table

Citation: Balli E, Bilgi Kirmaci M, Shahryar GR, Yilmaz S. Fully covered metal vs plastic stents after failed endoscopic retrograde cholangiopancreatography: Impact on residual stones. World J Gastrointest Surg 2026; 18(6): 120524
URL: https://www.wjgnet.com/1948-9366/full/v18/i6/120524.htm
DOI: https://dx.doi.org/10.4240/wjgs.120524

Balli E, Bilgi Kirmaci M, Shahryar GR, Yilmaz S. Fully covered metal vs plastic stents after failed endoscopic retrograde cholangiopancreatography: Impact on residual stones. World J Gastrointest Surg 2026; 18(6): 120524 [DOI: 10.4240/wjgs.120524]

All content on this site: Copyright © 1993-2026 Baishideng Publishing Group Inc, its licensors, and contributors. All rights are reserved, including those for text and data mining, AI training, and similar technologies. For all open access content, the relevant licensing terms apply.