A Simple Effective Method for Generation of a Permanent Record of the Critical View of Safety during Laparoscopic Cholecystectomy by Intraoperative “Doublet” Photography

Abstract

The Critical View of Safety (CVS) is an established method for identifying the cystic duct during laparoscopic cholecystectomy. Its goal is to prevent misidentification of the bile ducts and avoid biliary injury. However, a visual record of CVS is not usually made. Intraoperative photography has the potential to record CVS and increase the safety of laparoscopic cholecystectomy. The objective of this study was to develop a simple and effective technique for recording CVS during laparoscopic cholecystectomy. Techniques for photographing and rating photographs of CVS were developed. Surgeons were trained in methods of photographing both anterior and posterior views of CVS during laparoscopic cholecystectomy. Independent observers scored these views individually and together. The term doublet view was used when both anterior and posterior views of CVS were used for rating. Three criteria for CVS were used for scoring photographs. A total score of ≥ 5 of 6 points was considered satisfactory, and a total score 40 predicted a higher likelihood of unsatisfactory individual CVS photos (p = 0.02); however, there was no correlation between patient or pathologic factors and the scores of doublet views. With training and adherence to straightforward photographic techniques, intraoperative doublet photography can record CVS accurately. This method is performed easily, and could be used for recording of CVS in the medical record.