Preoperative factors that determine technical difficulty during laparoscopic cholecystectomy for symptomatic calcular cholecystitis

ABSTRACT

The increasing experience in laparoscopic cholecystectomy has led to more difficult cases being performed The methods to identify a potentially difficult laparoscopic cholecystectomy would be a valuable indicator for good management policies with improvement of the outcome. The aim of this study was to determine the correlation between preoperative clinical and abdominal sonographic findings in patients undergoing laparoscopic cholecystectomy for symptomatic calcular cholecystitis and the technical difficulty at operation. All consecutive patients with calcular cholecystitis undergoing laparoscopic cholecystectomy for the last 8 years [531 patients] were reviewed. The clinical preoperative factors assessed involved patient's age, sex, body weight and body mass index, of the disease, associated diabetes mellitus, the occurrence of biliary colic within the last 3 weeks, the presence of symptoms and signs of acute cholecystitis at presentation and history of acute cholecystitis. The laboratory preoperative factors assessed involved, full blood picture including total leucocytic count, liver functions including serum transaminases, serum bilirubin and prothrombin time. The preoperative abdominal sonographic findings assessed involved gallbladder size, gallbladder wall thickness, peri-cholecystic fluid, gallstones number and size and the liver condition. Laparoscopic cholecystectomy was attempted in all patients. Operative data were compared to preoperative data of all patients and statistically analyzed. It was found that the following 7 parameters are independently predictive of a difficult operation male sex [p<0.01], the presence acute cholecystitis [p<0.01], thickening of the gallbladder wall [p<0.01], shrunken gallbladder [p<0.01], mucocele of the gallbladder [p<0.05] and enlarged liver [p<0.05] or liver cirrhosis [p<0.05]. The above-mentioned factors are important and should help to select patients for either laparoscopic or open cholecystectomy based on the expected difficulties