Risk factors for prolonged operative time in single-incision laparoscopic cholecystectomy

摘要

PurposeWe performed 3-channel single incision laparoscopic cholecystectomy (SILC) in earlier period of this study and modified our method to 4-channel SILC using a snake retractor for better operative field in later period. This study has been designed to evaluate the risk factors for prolonged operative time in SILC.