Evaluation of exclusive internal endoscopic drainage for complex biloma with transluminal and transpapillary stenting

Abstract

Background and study aims Biloma is treated endoscopically with endoscopic retrograde cholangiography (ERCP) or endoscopi ultrasound-guided transluminal biloma drainage (EUS-TBD). However, almost all previous studies have used both internal and external drainage. External drainage has the disadvantages of poor cosmetic appearance and self-tube removal. The aim of the present study was to evaluate the internal endoscopic drainage for complex biloma after hepatobiliary surgery with an ERCP- or EUS-guided approach, without external drainage.

Patients and methods This retrospective study included consecutive patients who had bilomas. A 7F plastic stent was deployed from the biloma to the duodenum in the ERCP group and the metal stent was deployed from the biloma to the stomach in the EUS-TBD group.

Results Forty-seven patients were enrolled. The technical success rate was similar between the groups (ERCP 94% vs EUS-TBD 100%, P=0.371); however, mean procedure time was significantly shorter in the EUS-TBD group (16.9 minutes) than in the ERCP group (26.6 minutes) (P=0.009). The clinical success rate was 87% (25 of 32 patients) in the ERCP group and 84% (11 of 13 patients) in the EUS-TBD group (P=0.482). The duration of median hospital stay was significantly shorter in the EUS-TBD group (22 days) than in the ERCP group (46 days) (P=0.038). There was no significant difference in procedure-associated adverse events between the groups.

Conclusions In conclusion, ERCP and EUS-TBD are complementary techniques, each with its own merits in specific clinical scenarios. If both techniques can be performed, EUS-TBD should be considered because of the short times for the procedure, hospital stay. and biloma resolution.

Keywords

Pancreatobiliary (ERCP/PTCD) - Endoscopic ultrasonography - Intervention EUS

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