• Hamza Cinar, Gökhan S Ozbalci, Ismail A Tarim, Kagan Karabulut, Tugrul Kesicioglu, Ayfer K Polat, Kenan Erzurumlu, and Murat Derebey.
• Ann Ital Chir. 2017 Jan 1; 88: 229-236.

BackgroundThe rate of conversion to open surgery is high in laparoscopic cholecystectomy (LC) after Endoscopic Retrograde Cholangiopancreotocography (ERCP). The present study aimed to evaluate the risk factors associated with the conversion to open cholecystectomy and minimize the rate of conversion to open surgery.MethodsA total of 157 patients admitted to the Ondokuz Mayıs University Medical Faculty Hospital due to cholelithiasis and choledocholithiasis between January 2002 and December 2012, and they receiving laparoscopic cholecystectomy were included in the study. The patients were analyzed retrospectively. The predictive factors for conversion to open cholecystectomy were evaluated. Patients were compared to each other in terms of time passing from ERCP to operation, number of ERCPs, stent usage, stone extraction and complications that occurred while waiting for the operation. Patients were separated into three groups according to the time passing from ERCP to laparoscopic cholecystectomy, as follows; group I (short time intervals: 7 days or less): 53 patients, group II (intermediate time intervals: 8-42 days): 70 patients and group III (long time intervals: 43 days and more): 34 patients.ResultsOf the 157 patients, 57 were male and 100 were female. The mean age was 54.5 (range: 19-87) years. Of these 157 patients who received laparoscopic cholecystectomy following ERCP, 22 (14%) underwent open surgery. The conversion to open cholecystectomy was distributed in groups, as follows: seven (13.2%) patients in group I, eight (11.4%) patients in group II and seven (20.6%) patients in group III. When the rate of conversion to open surgery was compared between groups, there was no statistically significant difference (p=0.406). The laparoscopic operations were converted to open surgery in 15 (11.3%) of the 133 patients who underwent single ERCP, and in seven (29.2%) of the 24 patients who underwent two or more ERCPs before surgery (p=0.048). The number of ERCPs was determined to be the most important factor that affects the conversion to open surgery in laparoscopic cholecystectomies following ERCP. The removal of stones from the common bile duct, stent placement in the common bile duct, and existence of biliary complications during waiting time from ERCP to LC had no effect on the conversion to open surgery (p=0.454, p=0.058, and p=0.465, respectively).ConclusionsThe results of this study reveal that the timing of LC following ERCP, removal of stones from the common bile duct, stent placement in the common bile duct and the existence of biliary complications during the waiting period have no effect on the rate of conversion to open surgery. The number of ERCPs is the only factor that affects the conversion to open surgery in LC following ERCP.Key WordsCholedocholitiasis, Conversion, Endoscopic retrograde cholangiopancreatography, Laparoscopic cholecystectomy.

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