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CN 22-1108/R
Volume 42 Issue 8
Aug.  2026
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Article Navigation >  Journal of Clinical Hepatology  > 2026  >  42(8): 1902-1907

Clinical application of transparent cap-assisted peroral cholangiopancreatoscopy-guided electrohydraulic lithotripsy for large common bile duct stones

DOI: 10.12449/JCH260823

  • Department of Gastroenterology，Jilin People’s Hospital，Jilin，Jilin 132001，China

Research funding:

Jilin Provincial Health Science and Technology Capacity Improvement Project (2022LC143)

More Information
  • Corresponding author: Wang Hongguang， wanghongguang1817@163.com （ORCID： 0000-0003-1100-9804）
  • Received Date: 2026-02-25
  • Accepted Date: 2026-03-27
  • Published Date: 2026-08-25
    Abstract
  •   Objective  To investigate the safety and efficacy of transparent cap-assisted peroral cholangiopancreatoscopy-guided electrohydraulic lithotripsy （EHL）.  Methods  A retrospective analysis was performed for the clinical data of 60 patients with large common bile duct stones who were admitted to Department of Gastroenterology， Jilin People’s Hospital， from May 1， 2023 to January 31， 2026， and according to the treatment method， the patients were divided into transparent cap-assisted peroral cholangiopancreatoscopy-guided electrohydraulic lithotripsy group and peroral cholangiopancreatoscopy-guided electrohydraulic lithotripsy group， with 30 patients in each group. The two groups were compared in terms of the rate of successful single-session stone fragmentation and removal， procedural time， duration of electrohydraulic lithotripsy， clinical success rate， and complications. The independent-samples t test or the Mann-Whitney U test was used for comparison of continuous data between two groups， and the chi-square test or the Fisher’s exact test was used for comparison of categorical data between two groups.  Results  Compared with the peroral cholangiopancreatoscopy-guided electrohydraulic lithotripsy group， the transparent cap-assisted peroral cholangiopancreatoscopy-guided electrohydraulic lithotripsy group had a significantly higher technical success rate （83.33% vs 60.00%， χ2=4.022， P=0.045） and significantly shorter procedural time ［46.00 （42.25 — 49.00） min vs 54.50 （42.00 — 65.00） min， Z=2.012， P=0.044］ and duration of electrohydraulic lithotripsy ［8.00 （6.25 — 11.75） min vs 13.50 （9.25 — 17.75） min， Z=2.749， P=0.006］. Both groups achieved a clinical success rate of 100%， with no significant difference in the incidence rate of complications （P>0.05）.  Conclusion  Transparent cap-assisted peroral cholangiopancreatoscopy-guided electrohydraulic lithotripsy has a high rate of successful single-session stone fragmentation and removal and a short procedural time， with good safety and efficacy， and therefore， it holds promise for clinical application.

     

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