Background: Endoscopic retrograde cholangiopancreatography (ERCP) followed by laparoscopic cholecystectomy (LC) is the most common management of gallstones combined with common bile duct (CBD) stones. This study aims to evaluate the impact of routine insertion of nasobiliary catheter during ERCP in cases of difficult LC.

Patients & Methods: From total 110 patients who underwent ERCP followed by LC in the period from April 2019 to April 2020, nasobiliary (NB) catheter was inserted during ERCP in 55 patients after CBD clearance (NB group). In the other 55 patients, only CBD clearance was done (Control group). In the NB group, dynamic trans-nasobiliary intraoperative cholangiography (TN-IOC) was done during dissection of Calot's triangle. At the end of the procedure, trans-nasobiliay methylene blue (MB) test was done to detect any missed biliary injury. The primary outcome to be analyzed was the incidence and severity of bile duct injury (BDI), secondary outcomes were the operative time, conversion to open surgery, and hospital stay.

Results: Of the 110 patients, 57 patients (51.8%) were males and 53 (48.2%) were females. Median age was 55 years. One case of biliary leak was reported in the NB group (1.8%), while 2 cases (3.6%) were reported in the Control group. The average operative time in the NB group was 115 min versus 128 min in the Control group (P value < 0.001). No cases were converted to open cholecystectomy in the NB group (0%) with 5 cases (9.1%) converted to open in the Control group. The average postoperative hospital stay was 2 ± 0.1 days in the NB group versus 3.6 ± 5.3 days in the Control group (P value = 0.037).

Conclusion: Routine insertion of nasobiliary tube during ERCP, in patients with combined gallbladder and CBD stones, is a simple, safe and dynamic method for IOC. This maneuver does not statistically decrease the incidence of BDI but can diagnose, minimize and treat BDI with shorter operative time and hospital stay.

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http://dx.doi.org/10.1016/j.surge.2022.06.003DOI Listing

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