Objective:To explore the role of the right portal pedicle and Rouviere's sulcus as an anatomic landmark in laparoscopic cholecystectomy. Methods:The investigators are going to select 60 patients intending to perform Laparoscopic cholecystectomy from April 2014 to April 2015.Check out the presence of the right portal pedicle and Rouviere's sulcus during the surgery and divide into the experimental group and the control group.Experimental group operated in Laparoscopic cholecystectomy with the guide of Rouviere's sulcus while the Control group operated with the traditional way. Research hypothesis:Compare the differences between the Experimental group and the Control group in bile duct injury rate,complication rate,blood loss,operative time ,conversion rate and hospital stay.It is supposed that the results of Experimental group are superior to the control group,difference is statistically significant(P\<0.05). So the investigators can draw the conclusion that the anatomy method with the guide of right portal pedicle and Rouviere's sulcus is useful in laparoscopic cholecystectomy.
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complication rate
Timeframe: one month