Early precut is useful for difficult bile duct cannulation, particularly in cases with long oral protrusion

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World Journal of Gastrointestinal Endoscopy

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1948-5190

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

Retrospective Cohort Study

World J Gastrointest Endosc. Sep 16, 2025; 17(9): 108420
Published online Sep 16, 2025. doi: 10.4253/wjge.v17.i9.108420

Table 4 Comparison of treatment outcomes between standard and advanced cannulation techniques, n (%)

Outcomes	Standard cannulation techniques (n = 314)	ACTs (n = 89)	P value
Cannulation success rate (%)	99.7% (313/314)	97.8% (87/89)	0.68
Adverse events	17 (5.4)	20 (22.5)	< 0.001
Hemorrhage	3 (1.0) (mild)	1 (1.1) (mild)	0.633
PEP	5 (1.6)	9 (10.1)	< 0.001
Mild/moderate/severe	5/0/0	6/2/1	-
Amy level, median (range, U/L)	79 (9-2709)	113 (20-2632)	0.018
Elevated amylase	9 (2.9)	10 (11.2)	0.003
Others	0	0	NA

ACTs: Advanced cannulation techniques; PEP: Post endoscopic retrograde cholangiopancreatography pancreatitis; Amy: Serum amylase; NA: Not available.

Citation: Kaneko T, Kida M, Kurosu T, Kitahara G, Betto T, Saito Y, Koyama S, Nomura N, Kusano C. Early precut is useful for difficult bile duct cannulation, particularly in cases with long oral protrusion. World J Gastrointest Endosc 2025; 17(9): 108420
URL: https://www.wjgnet.com/1948-5190/full/v17/i9/108420.htm
DOI: https://dx.doi.org/10.4253/wjge.v17.i9.108420

Kaneko T, Kida M, Kurosu T, Kitahara G, Betto T, Saito Y, Koyama S, Nomura N, Kusano C. Early precut is useful for difficult bile duct cannulation, particularly in cases with long oral protrusion. World J Gastrointest Endosc 2025; 17(9): 108420 [PMID: 40979059 DOI: 10.4253/wjge.v17.i9.108420]

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