A preoperative scoring system predicted difficult laparoscopic cholecystectomy with 95.74% sensitivity, 73.68% specificity, and an area under the ROC curve of 0.86.
Observational (n=210)
No
Does a preoperative scoring system predict difficult laparoscopic cholecystectomy in patients undergoing the procedure?
A preoperative scoring system using clinical and imaging parameters can accurately predict difficult laparoscopic cholecystectomies, allowing for better surgical planning and patient counseling.
Effect estimate: AUC 0.86
INTRODUCTION: Laparoscopic cholecystectomy (LC) is one of the most common laparoscopic procedures being performed by general surgeons all over the world. Preoperative prediction of the risk of conversion or difficulty of operation is an important aspect of planning laparoscopic surgery. The purpose of our prospective study was to analyze various risk factors and to predict difficulty and degree of difficulty preoperatively by the use of a scoring system. MATERIALS: This prospective study was conducted in the department of surgery, Lady Hardinge Medical College and associated Dr Ram Manohar Lohia Hospital, Delhi, India. The parameters considered in the preoperative scoring method were old age, male sex, history of hospitalization, obesity, previous abdominal surgery scar, palpable gall bladder, wall thickness of gall bladder, pericholecystic collection and impacted stone. A total of 210 patients were included in the study. RESULTS: We found that history of hospitalization, palpable gall bladder, impacted stone and gall bladder wall thickness were statistically significant factors for prediction of difficult laparoscopic cholecystectomy. Sensitivity and specificity of this preoperative scoring method were found to be 95.74% and 73.68% respectively. Positive predictive values of this scoring method were 90% and 88% for easy and difficult cases respectively. Area under ROC curve was 0.86. Conversion rate from laparoscopic to open cholecystectomy was found to be 4.28%. CONCLUSION: With the help of accurate prediction, high risk patient may be informed before hand regarding the probability of conversion and hence they may have a chance to make arrangements accordingly. On the other hand, surgeons also may have to schedule the time and team for the operation appropriately. Surgeons can also be aware about the possible complications that may arise in high risk patients.
Gupta et al. (Sat,) conducted a observational in Laparoscopic cholecystectomy (n=210). Preoperative scoring system was evaluated on Prediction of difficult laparoscopic cholecystectomy (AUC 0.86). A preoperative scoring system predicted difficult laparoscopic cholecystectomy with 95.74% sensitivity, 73.68% specificity, and an area under the ROC curve of 0.86.
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