Endoscopic removal using perioral cholangioscopy for biliary migration of vascular coil placed to treat biliary tract bleeding caused by ruptured right hepatic artery aneurysm

Yuichi Hirata; Chikara Akahide; Mariko Hatada; Shunsuke Nakamura; Shinsuke Akiyama; Yoshihide Ueda; Yoshihiro Okabe

doi:10.1055/a-2864-1385

May 13, 2026EndoscopyOpen Access

Endoscopic removal using perioral cholangioscopy for biliary migration of vascular coil placed to treat biliary tract bleeding caused by ruptured right hepatic artery aneurysm

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Key Points

This study aims to assess the effectiveness of perioral cholangioscopy in removing vascular coils that have migrated into the bile duct following aneurysm treatment.
Endoscopic removal performed using perioral cholangioscopy techniques.
Electrohydraulic lithotripsy utilized to fragment surrounding stone complex.
Coil grasped with biopsy forceps for successful extraction.
Successfully removed the migrated vascular coil, previously invaginated in the bile duct wall.
Fragmentation of the stone complex facilitated direct access to the coil.
The intervention effectively addressed the complications from the ruptured hepatic artery aneurysm.

Implication

Demonstrates effective coil removal in biliary migration cases, indicating a novel intervention for aneurysm complications.

Abstract

Fig. 5 Perioral cholangioscopic (POCS) images and removed coil.a A portion of the coil was invaginated into the bile duct wall.b A stone complex had formed around the distal end of the coil mass.c and d Fragmentation using electrohydraulic lithotripsy exposed the coil.e The coil was grasped with biopsy forceps under POCS and successfully removed.f Removed coil.E608

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Cite This Study

Hirata et al. (2026) studied this question.

synapsesocial.com/papers/6a0808ffa487c87a6a40b1a4 https://doi.org/10.1055/a-2864-1385

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Endoscopic removal using perioral cholangioscopy for biliary migration of vascular coil placed to treat biliary tract bleeding caused by ruptured right hepatic artery aneurysm

Key Points

Implication

Abstract

Discussion

Cite This Study

Endoscopic removal using perioral cholangioscopy for biliary migration of vascular coil placed to treat biliary tract bleeding caused by ruptured right hepatic artery aneurysm

Key Points

Implication

Abstract

Discussion

Cite This Study

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