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ISSN 1001-5256 (Print)
ISSN 2097-3497 (Online)
CN 22-1108/R
Volume 42 Issue 7
Jul.  2026
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Article Contents

Efficacy and safety of primary duct closure versus T-tube drainage in treatment of recurrent choledocholithiasis

DOI: 10.12449/JCH260722
Research funding:

Medical Science Research Project Plan of Hebei Province (20250927)

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  • Corresponding author: Liu Siqing, siqingliu@163.com (ORCID: 0000-0001-8745-0490)
  • Received Date: 2025-12-19
  • Accepted Date: 2026-04-09
  • Published Date: 2026-07-25
  •   Objective  To provide a clinical reference for rational selection of the methods for common bile duct closure after laparoscopic common bile duct exploration (LCBDE) in patients with recurrent choledocholithiasis (RCL).  Methods  A retrospective analysis was performed for the clinical data of 121 patients with RCL who underwent LCBDE in the Department of Hepatopancreatobiliary Surgery, The Affiliated Hospital of North China University of Science and Technology, from February 2022 to December 2025, and according to the method for common bile duct closure, the patients were divided into primary duct closure group (PDC group with 58 patients) and T-tube drainage group (TTD group with 63 patients). The two groups were compared in terms of time of operation, drainage volume on day 1 after surgery, total bilirubin level on day 3 after surgery, time to diet after surgery, time to drainage tube removal after surgery, common bile duct diameter at 1 week after surgery, length of postoperative hospital stay, total hospitalization costs, and complications, and the risk factors for postoperative complications were analyzed. The independent-samples t test or the Mann-Whitney U test was used for comparison of continuous data between groups, and the chi-square test or the Fisher’s exact test was used for comparison of categorical data between groups. The multivariate Logistic regression analysis was used to identify influencing factors for postoperative complications.  Results  Compared with the TTD group, the PDC group had a significantly shorter time of operation [48.50 (39.00 — 59.25) min vs 55.00 (46.00 — 69.00) min, Z=-2.726, P=0.006], a significantly lower level of total bilirubin on day 3 after surgery [17.25 (14.43 — 21.30) μmol/L vs 20.06 (16.40 — 29.30) μmol/L, Z=-2.950, P=0.003], a significantly shorter time to diet after surgery [1 (1 — 1) d vs 1 (1 — 2) d, Z=-4.506, P<0.001], a significantly shorter time to drainage tube removal after surgery [7 (7 — 7) d vs 8 (8 — 9) d, Z=-9.693, P<0.001], a significantly shorter length of postoperative hospital stay [8 (8 — 8) d vs 10 (9 — 11) d, Z=-8.960, P<0.001], and significantly lower total hospitalization costs [21 750 (20 369 — 23 310) yuan vs 24 889 (23 438 — 26 920) yuan, Z=-5.572, P<0.001], and common bile duct diameter at 1 week after surgery in the PDC group was closer to the normal physiological anatomical structure of the biliary tract compared with that in the TTD group [1.0 (0.9 — 1.1) cm vs 1.0 (1.0 — 1.1) cm, Z=-2.064, P=0.039]. Compared with the TTD group, the PDC group had significantly lower incidence rates of total complications (10.34% vs 26.98%, P=0.024) and electrolyte disturbance (1.72% vs 15.87%, P=0.006). The multivariate logistic regression analysis showed that common bile duct diameter <1.3 cm before surgery and total bilirubin level ≥21.0 μmol/L before surgery were independent risk factors for postoperative complications, while primary duct closure was an independent protective factor against postoperative complications (P<0.05).  Conclusion  Under the premise of strict control of indications, PDC after LCBDE for RCL patients can accelerate recovery and reduce complications and hospitalization costs, thereby demonstrating greater advantages in clinical application.

     

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