Factors Associated with the Choice Between Laparoscopic Cholecystectomy and Open Cholecystectomy in the Patients with Prior ERCP: A Retrospective Comparative Analysis
Keywords:
laparoscopic cholecystectomy, open cholecystectomy, , endoscopic retrograde cholangiopancreatography, conversion rate from LC to OC, endoscopic retrograde cholangiopancreatographyAbstract
Objective: To identify factors associated with the choice of laparoscopic cholecystectomy (LC) versus open cholecystectomy (OC) in patients with prior endoscopic retrograde cholangiopancreatography (ERCP), and to analyze surgical outcomes, conversion rates, and complications between the two approaches.
Methods: A retrospective cohort study was conducted on the patients who underwent cholecystectomy after ERCP in Somdejprasangkharach 17th Hospital, Suphan Buri between October 2020 and March 2025. Data were collected from medical records including patient demographics, laboratory results, imaging findings, ERCP characteristics, and surgical outcomes. Statistical analyses included chi-square test, Fisher’s exact probability test, independent t test, Mann-Whitney U test, and the outcomes among each type of the operations were analyzed by using one-way analysis of variance, statistical significance set at p < .05.
Results: Among 50 patients, 23 (46%) underwent LC and 27 (54%) underwent OC, with a conversion rate of 21.7%. Preoperative diagnosis was significantly associated with the choice of procedure (p < .001). Patients with acute cholecystitis, CBD stone with cholangitis, and gallstone pancreatitis were more likely to undergo OC. The successful LC group had less blood loss (mean 10 vs. 100 cc; p < .001), but had longer operative time (mean 106.5 vs. 81 minutes; p = .001), and shorter hospital stay (mean 3 vs. 5 days; p = .019) compared to OC. Complications were observed more frequently in the OC group than in the LC group; however, the difference was not statistically significant.
Conclusion: Preoperative diagnosis is the key determinant in selecting the surgical approach for cholecystectomy in post-ERCP patients. While LC offers better advantages in recovery and less complications, the high conversion rate necessitates careful risk assessment, comprehensive patient counseling, and preparation of the operating team for conversion.
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