A Retrospective and Prospective Study to Develop a Pre-operative Difficulty Score for Laparoscopic Cholecystectomy

Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract
Yousef IbrahimAshraf Rasheed

Abstract

The objectives of this study were to develop a grading system to enable pre-operative prediction of technical difficulty of laparoscopic cholecystectomy using retrospective data and to attempt to validate our scoring system prospectively. Retrospective analysis was conducted of 100 consecutive patients. Pre-operative variables were collected based on a template devised by the American College of Surgeons. Outcomes were duration of surgery, conversion to open and post-operative complications. Multivariate analysis with subsequent measurement of hazard ratios was used to formulate a weighted grading system. Prospective analysis was performed of 100 consecutive patients who were scored pre-operatively. Outcomes were duration of surgery and length of stay. Retrospective univariate analysis identified four variables associated with an increase in duration of surgery: male gender (p = 0.023), age (p = 0.000), body mass index (BMI) (p = 0.000) and pre-operative endoscopic retrograde cholangiopancreatography (ERCP) (p = 0.001). Prospective analysis revealed weak positive correlations between the scoring system and duration of surgery (0.34) and length of stay (0.40). We have identified four pre-operative variables that predicted a long...Continue Reading

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