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Efficacy and safety of endoscopic laser lithotripsy and lithotomy through the lumen-apposing metal stent for giant gallbladder stones.

ABSTRACT:

Background and aims

EUS-guided gallbladder drainage has been increasingly applied for acute cholecystitis in high-risk surgical patients. In cases of EUS-guided gallbladder drainage with lumen-apposing metal stents (LAMSs), endoscopic retrieval of gallstones becomes feasible. However, retrieval of giant gallstones is still difficult because of the limited space in the saddle section of the LAMS. In this study, we aimed to evaluate the efficacy and safety of endoscopic laser lithotripsy and lithotomy through LAMSs for the removal of giant gallstones.

Methods

Five consecutive patients with recurrent cholecystitis due to giant gallstones were enrolled. We proceeded with EUS-guided LAMS implantation. Endoscopic laser lithotripsy and lithotomy then was performed through the LAMSs, and the stents were removed after all stones were extracted. The patients were followed up at scheduled times.

Results

EUS-guided LAMS implantation was successfully performed, and target gallstones were completely removed in all 5 patients. There was no severe bleeding, perforation, or stent migration during the operation. No recurrence of gallstones was found at late follow-up.

Conclusions

Endoscopic laser lithotripsy and lithotomy through LAMSs could be a safe and effective approach for removal of giant gallstones.

SUBMITTER: Wang W

PROVIDER: S-EPMC7332785 | biostudies-literature |

REPOSITORIES: biostudies-literature

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