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Chinese Journal of Hepatic Surgery(Electronic Edition) ›› 2026, Vol. 15 ›› Issue (02): 205-210. doi: 10.3877/cma.j.issn.2095-3232.2026.02.010

• Clinical Research • Previous Articles    

Efficacy of laparoscopic cholecystectomy combined with ultra-thin choledochoscope in the treatment of cystic duct stones

Manman Lu1, Qizhu Feng2, Jie Sun2, Jian Zhang2,()   

  1. 1 Clinical Laboratory, the First Affiliated Hospital of Anhui University of Science and Technology, Huainan 232001, China
    2 Department of Hepatobiliary Surgery, the First Affiliated Hospital of Anhui University of Science and Technology, Huainan 232001, China
  • Received:2025-08-11 Online:2026-04-10 Published:2026-04-02
  • Contact: Jian Zhang

Abstract:

Objective

To evaluate the clinical application value of laparoscopic cholecystectomy (LC) combined with ultra-thin choledochoscope in the treatment of cystic duct stones.

Methods

Clinical data of 62 patients with cystic duct stones who underwent LC in the First Affiliated Hospital of Anhui University of Science and Technology from September 2021 to September 2024 were retrospectively analyzed. The informed consents of all patients were obtained and the local ethical committee approval was received. Among them, 12 patients were male and 50 female, aged from 24 to 80 years, with a median age of 54 years. According to whether ultra-thin choledochoscope was adopted during LC, 26 patients were assigned into the ultra-thin choledochoscope group and 36 cases in the control group. For all patients, "four-port LC" was performed by the same team. Intraoperative and postoperative recovery, the presence of residual stones and secondary common bile duct stones were compared between two groups. Operation time and hospitalization expenses were compared by t-test between two groups. The incidence of complications was compared by Fisher's exact test.

Results

The operation time in the ultra-thin choledochoscope group was (77±16) min, significantly longer than (66±16) min in the control group (t=2.689, P=0.009). The hospitalization expense in the ultra-thin choledochoscope group was (1.3±0.1)×104 yuan, significantly higher than (1.2±0.1)×104 yuan in the control group (t=2.388, P=0.020). No abdominal bleeding, bile leakage and incision infection occurred after operation in two groups. In the control group, 2 cases developed residual stones in the cystic duct and 4 cases of secondary common bile duct stones, whereas none in the ultra-thin choledochoscope group. The difference between two groups was statistically significant (both P<0.05).

Conclusions

LC combined with ultra-thin choledochoscope prolongs operation time and increase hospitalization expenses for patients with cystic duct stones, but it can effectively reduce the risk of postoperative residual stones and enhance surgical safety, especially for patients with multiple stones or fragmented stones in the cystic duct.

Key words: Cholelithiasis, Cystic duct stones, Cholecystectomy,laparoscopic, Superfine choledochoscope

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